Bmw diff tag I'm shocked at how much these shops wanted for a used diff that was "ready to bolt in". This would denote a 3. 73. The four-bolt (as opposed to six-bolt) side covers signify pre-1979 units, and 2. Aaron-any more quality info would be appreciated. Having a steptronic, my stock diff is a 3. Feb 21, 2023 · In unserem Blogpost rund um (Sperr)Differentiale erfährst du, wieso wir denken, dass der Einbau eines Lamellensperrdifferentials eine sehr lohnenswerte Modifikation für deinen BMW ist, welche Typen von Sperrdifferentialen es überhaupt gibt und wie ein Differential generell funktioniert! Remanufactured Genuine BMW parts are governed by the same stringent quality guidelines as new Genuine BMW parts. The oil was not Today's Posts; Member List; Calendar; Forum; E30 Technical Forums; Engine & Drivetrain; Transmission & Driveline; If this is your first visit, be sure to check out the FAQ by clicking the link above. The first four numbers were the number of teeth on the crown wheel and the pinion, rather than the ratio. Our professionals are here to help make sure you find the answers you need to your questions and our community is here to help other brainstorm The BOM will identify the model number, the gear ratio, the type of differential, and all component parts. 90:1 differentials actually encompasses two (slightly different) ratios: 3. ) , or if the numbers are preceded by an 's' (e. again the presence of the "S" on the tag indicates limited slip. Front: BMW/Mini 83 22 2 413 511 Rear: BMW/Mini 83 22 2 295 532 Same process as buying the BMW diff except there's more choice. 3. As for the diffs, I'm not worried about the small case diff. like there was slack in the drive train Searching for BMW e90 differential pinion tool will turn up results in the $100 cost category. Remember that BMW tested this car for durability and is providing a warranty with that oil in the differential. Sent from my SAMSUNG-SM-G891A using Tapatalk Dec 1, 2002 · Also the metal tag on the rear cover will indicate the ratio, dividing the two numbers on it will give you the ratio. Can you confirm its the 210mm, by the v286? There are differences in the pinion shaft seal size, for different years of the 750. Sep 8, 2008 · crawl under the back of the car, on the right side of the diff you will see a little metal tag, may take a minute with a wire brush. 93 diff. 23 all m3s have an LSD. At a specialist non BMW garageanyone had this before and ball park about right for the job?? Kind regards Rav Feb 23, 2021 · Synthetic MPS/A BMW Final Drive Gear Oil (PN 83 22 2 357 992, 1 liter) during a 1,200 ml. E36 owners deliberately fit small case diffs to their 328i for better gear ratios and they hold up just fine. Its probably rusty but if you can read the lettering the tag should start with S if you have an LSD(mine reads S373657, 373 standing for the ratio). Looks like a chrome 32 fits fine. Our professionals are here to help make sure you find the answers you need to your questions and our community is here to help other brainstorm Dec 22, 2022 · What is BMW M sport suspension? Another performance-orientated touch is the M Sport’s sports suspension. Apr 20, 2022 · That looks like an E30 differential to me based on the ratio, possibly with an E28 rear cover. 525. BMW offers tons of OEM LSD options that are compatible across multiple chassis, requiring nothing more than a simple diff cover and output shaft swap. Location: Tirana The free online BMW TIS incorrectly describes the non-M driveshaft to differential connection and RealOEM strangely doesn't list this nut at all for the M3. See how the crown wheel on the right is secured by bolts? This is the original style of mounting on the BMW diff - for cars produced in 2007 onwards, the crown wheel is welded to the OEM diff and cannot be dismantled by unbolting Dec 13, 2007 · ALPIN3 inspired me to do a 3. My noise is a distinct clunk 50 Mph, strong breaking to enter a sharp right hander, downshift from 3rd to second, rev match, (thank you very much BMW) torque transfers to the rear diff. Apr 18, 2021 · BMW recommendation: DTF-1 (previously TF0870) 75W GL-4 All Front Differential BMW recommendation: SAF-XO, 75W90 weight, GL-5 rated Our recommendation: Red Line 75W90 - LIQUI MOLY LM2048 75W-90 Gear Oil Rear Open Differential, after 7/2011 production* BMW recommendation: G1 synthetic, 75W85 weight, GL-4 rated Jun 7, 2023 · The more they hear from us, individually, the more ammo they will have to get BMW to resolve this with an upgraded bolt. But I believe I'm the first to do Mar 30, 2014 · engine and drivetrain Bmw Diff Flanges E21-2002 Differences. 4. Or, you can turn one side flange of the diff, see if the other side flange turns in the same direction, or reverse. Jan 30, 2015 · This thread is for those of us who have (1) replaced the differential and/or subframe bushings with near solid units (i. The differential is an open diff, and had the spacer tag marked 3. So the ratio is 47/11 = 4. There was a thread about this a while back, with pictures. I am absolutely in love with the diff. The capacity of the diff is 0. Sure, if I was tracking the car in some racing series, then perhaps a clutched diff would be the ultimate device, but for it's impeccable road manners, the Quaife takes it. After, we han Jan 15, 2018 · Depending on the differential it might have an "S" painted on the passenger side or an "S" with the gear ratio imprinted on the driver's side. 09 ratio. This type of differential is common in racing cars where a strong limiting torque can aid stability under engine braking. Mods are FMIC, charge pipe and Fabspeed catted DP Nov 21, 2020 · Might be that a small overfill caused it. 10) Motorsport Gear set Final drive shot peened & super finished 210- 215LW BMW 1 Series E81/E82/E87/E88 120d-118d Rear Differential (2. 93, S3. 0d xdrive. Getting a free e39 diff tomorrow, ill be using this to get my location point/mockup for the new front hanger Ill have to make to mount E34 diff, to E39 carrier, since I cant take my car off the road to do this. The biggest suprise was how much it grips, it makes the stock car feel absolutely lazy and asleep. The first three numbers will be the ratio (e. 15 diff while a "2. Jul 4, 2007 · The diff tag is on the bottom right, it is a flat section on the bottom edge of the unit, about 3/4ths of the way towards the back. The body of the E85 diff is 1cm shorter than the E90 diff. I can't swear to it but I have a vague recollection the slop was still present suggesting u-bolt and not diff related. Redline says GL-5 will work and protects better. ) then you have a limited slip diff. Our professionals are here to help make sure you find the answers you need to your questions and our community is here to help other brainstorm Nov 22, 2021 · 1996 is about the last year of the metal diff ID tags before the white plastic ID sticker on top of the diff. If you can get the last 7 digits you can plug it into a vin decoder. 064 cost roughly £5 A good quality 75w-90 oil. 8:signal invalid The car would go into limp mode. Jan 30, 2003 · Bimmerforums is the preferred online BMW Forum and community for BMW owners. BMW also offers a 24-month warranty on all remanufactured parts. The “S” means “LSD” in BMW’s build process. The rear end ration is on that tag, if it starts with an S it is a Limited Slip. After the diff is clean drive the car for a while then back home on your driveway back car onto ramps and with a bright light look over the diff. Oct 18, 2017 · As long as the front and rear diffs match you can run what ever you want, and there should be a tag with the ratio stamped on it, and it might be easier to see the rear diff tag. But, BMW TC fluid is truly unique. S3 45 xxx. 27. The difference is that M5 is LSD. My thoughts are that GL-5 is a better diff oil but could end up being corrosive if subjected to higher temps and that is why BMW went GL-4. In this case, the first 4 numbers identify the number of teeth on the pinion and ring, respectively: 11 on the pinion, 47 on the ring. 15" means a LSD 3. These diffs are awesome in the fact that they are easy to work with!! Sep 24, 2023 · Well, provided you refill the diff with the proper fluid and the correct amount of fluid (and any additives BMW might call for) and be sure the drain plug and refill plug are properly torqued. There is no S on the tag so it is an open differential. As far as I know, he was the first person to do this. Be careful. But not sure if it's normal or we should open diff and check what's happening there. 15. You will probably need to remove the exhaust and the heat shielding above the exhaust forward of the differential to access the 2 front mounting bolts. Same as the M3/4. Mar 23, 2021 · This 3. 824. Billet HD Differential Cover 210mm 912. I suggest you look it up. It has a crown wheel diameter of 188mm. 3 45 xxx. Jun 30, 2021 · So the diff specialists stripped apart the diff and said the gears are fine, great news. Join Date: Jun 2023. A 1-way differential will provide its limiting action in only one direction. The numbers at the begining tell you what the ratio is. By fdovargas, March 30, 2014 in BMW 2002 and other '02. Oct 3, 2011 · Some BMW diffs have a marking like, for instance, 34:11. if it is too tricky/M4 specific - just better get them prepared. Das Diff bietet sich vor allem für den Motorsporteinsatz, insbesondere Nürburgring Nordschleife, an. NHTSA # is 8883274236. 7. There are low mile BMW diff's on eBay from 250-700 and most have free shipping. This allows you to rely on remanufactured Genuine BMW parts. Finding out the ratio is usually as simple as finding out which car it originally came out of. The receipt from the original owner's mechanic stated "replaced differential with used unit" My issue is that the case looks like it was sitting in a farmers field for the past 40 years. May 7, 2016 · There should be a vin sticker on that dif. 73" so I'm not questioning if it's an LSD. e. 45 ratio small case (168) Z3 1. The 3rd gen diff does have ball bearings as expected. Or just some guy who was organaizing diffs to sell them. 45 Sperre for example. Maintenance Service or after a differential replacement. I just wanted to get some info on how-to (to hand out to local garage) in case a re-sealing job will be needed. In the pictures above, you can see my stock open differential tag on the left, missing the “S” prefix, and the M3 LSD tag on the right, with an “S” prefix. An "S" indicates LSD. To test to see if it is an LSD, jack up just one wheel and try turning it. The larger is known as a medium case (Type 188), and was used on 325 models. 3 alpina (if my information is correct). How many miles to do this before you take the car in for a scheduled engine oil and diff break in fluid service is up to you. Jul 1, 2014 · Halfshaft oil-seals, gasket maker silicone, new bolts, Motul differential oil (1200ml). I called BMW NA and they don't want to hear about it, they told me that it has to come from NHTSA. 0 Jul 15, 2022 · Is like there's loose when I accelerate, is a clunk noise coming from the diff. 92-95 auto 325 have a 3. AFAIK, there's an "S" stamped on the tag that identifies the ratio. 98 $ Current price is: 824. Sep 11, 2011 · some E28 diffs are NOT compatible with E30 covers, Best to check this by fitting e30 rear cover plate on it. Jun 30, 2012 · Bimmerforums is the preferred online BMW Forum and community for BMW owners. Visit RacingDiffs for high-quality LSD conversion kits. 482BAC regulated diff lock, DSC function not available CCEC19 CCEC14 ICM interface tolerance compensation, wheel 271. Carefully examine the diff case. They are therefore just as good for your BMW, while also conserving the environment. From the Reddline website Differential: SAF-XO & SAFX-LS => 75W90 SAF-XJ => 75W140 Jul 16, 2024 · The Type 168 has been BMW’s small diff forever – the smaller-engined E30, E36, and E46 cars used this diff size, and the 168 apparently refers to an internal measurement. We would like to show you a description here but the site won’t allow us. Appreciate 0 Quote 06-22-2023, 05:07 PM Drives: Bmw e70 4. The G8X uses the same differential as the F10 M5 and X5/6M. 11. Oct 20, 2012 · The tag on replacement diffs. Redline always introduce fluids for BMW very fast, but it took them 14 years to introduce fluid for xDrive. 91. The manufacturing date is April 1977 (a stamped “4” over “7”, just below the stamped numbers of pinion and ring gear teeth). I chose Castrol 21687 Syntrax Longlife cost roughly £15 a litre and its fully synthetic. g. Thanks AidanZ130, I tried using realoem last night and I searched it with the vin and I got confused as it asks for production year 1/2005 2/2005 3/ 2005 and so on. Nov 25, 2007 · Bimmerforums is the preferred online BMW Forum and community for BMW owners. Jul 28, 2009 · As per title. This one is on my '93 325is. Jul 22, 2015 · What you have is known as a "large case" differential, or 210mm (the ring gear size). The tag on replacement diffs. Tags: differential, Jan 20, 2021 · Strictly speaking, if you got the standard front and rear diffs you need to use the BMW parts as they are the only ones on BMW's list. engine breaking starts to occur, then it happens: a distinct clunk sound coming from what seems to be the rear diff. Apr 27, 2011 · Bimmerforums is the preferred online BMW Forum and community for BMW owners. Oct 21, 2013 · Assuming car has original differential, ratio on both S204A and M5 will be the same at 3. Das Diff wurde neu aufgebaut. • Gehäuse und Deckel gestrahlt und neu lackiert • Neuer Wellendichtring für den Eingangsflansch The OEM diff on the left, minus the crown wheel, and the Quaife LSD on the right with the crown wheel installed. Sorry for the delayed response, you can use the OEM fluid or Castrol, I went with Castrol and have been very happy. A stiffer suspension reduces body roll during cornering, giving you better balance. 50 Oct 29, 2019 · Hello, This is a listing for the rear end parts that came out of a 1982 BMW e21 320i. Apr 17, 2009 · A LSD should have a white S stamped on the housing (usually that's gone) and a metal tag bolted that says S3,45 for a 3. As a result, your BMW will run more quietly and smoothly. 64 is also a very early e21 differential: 1. Even testing it (output flanges should turn in the same direction if you turn the input flange) is said to fail with some versions even though that worked out well Jun 13, 2012 · If the E21 axle is so strong then why are people swapping in E12/E28/E30 diffs/axles? Including people in this thread stating the E21 axle is fine. The car was running when i removed the rear. As has been suggested clean the diff thoroughly with brake cleaner. Sounds like a woodpecker stuck inside trying to get out. Our professionals are here to help make sure you find the answers you need to your questions and our community is here to help other brainstorm BMW 1 Series Coupe Forum / 1 Series Convertible Forum (1M / tii / 135i / 128i / Coupe / Cabrio / Hatchback) (BMW E82 E88 128i 130i 135i) > Technical / Specific Topics > 135i Turbo Engine (N54 / N55), Exhaust and Drivetrain Modifications E92 pre-LCI 325i - Ohlins R&T; H&R spacers; M3 strut brace; Swift thrust sheets; 3 x chassis braces; diff brace; N53 V-brace; 034 subframe inserts; BMS clutch stop; BMS CDV; RE g/box mounts; Delrin shift bushes; Saikoumichi OCC; Cyba scoops; BMW Perf Exhaust; HEL s/steel brake hoses; M3 rear spoiler; Recaro Sportster CSs; M3 white dash LEDs; LED Angels; LED side repeaters; BMW Perf black The forward mounting points are spaced more closely on the Z4 diff. Sounds like the gear on the electric motor that controls the diff is skipping or stripped. Feb 13, 2021 · 2010 2011 BMW 5 Series Forum F10 BMW 5-Series (F10) Forums General 5-Series Sedan and Wagon (F10 / F11) Forum BMW differential fluids Tags: bmw, differential, Bmw diff fill plug (screw plug) part number B33. It functions The numbers you need to identify your diff are on a small metal tag attached to one of the rear cover bolts. Cooling & Radiators Aluminum radiators, oil coolers, water pumps and cooling-related parts for the BMW 2002. To be honest I don't know much about LSDs. We decided to create a replica in CAD and have them laser cut out of stainless steel for durability. 5-way differential refers to one where the forward and reverse limiting torque are different but neither is zero as in the case of the 1-way LSD. May 21, 2021 · After my last track day, every time I turn on the ignition I get a clicking noise from the diff. 98$. It's from a 750, not an 850. Our professionals are here to help make sure you find the answers you need to your questions and our community is here to help other brainstorm Typically the tag on factory e30 diffs will read the ratio directly and have an "S" before the ratio to indicate limited slip. Since the diff ratio of 2. This will be a rebuild of a BMW LSD but may apply to other LSD Clutch type differentials. Share Jun 5, 2021 · The Differential = The diff is a massive change, the car hunts traction, it shoots and goes, it doesn't feel lazy. Car had minor diff oil leakage spotted at MOT and im getting this sorted on Friday Its one side, and quite common apparently. Our professionals are here to help make sure you find the answers you need to your questions and our community is here to help other brainstorm I got this message yesterday along with several others (chassis stabilization, TPMS, collision warning systems) and my DCT would only engage reverse, neutral and 2nd. Dec 8, 2014 · I have searched but can't find an answer to my issue. Today's Posts; Member List; Calendar; Forum; E30 Technical Forums; Engine & Drivetrain; Transmission & Driveline; If this is your first visit, be sure to check out the FAQ by clicking the link above. There's a local place that specializes in used BMW parts and they have a 2. Most times that tag is gone as well. 04 $ Original price was: 912. How do you read a BMW differential tag? 2012-2015 BMW 3-Series and 4-Series Forum. Bimmerforums is the preferred online BMW Forum and community for BMW owners. Apr 4, 2023 · BMW does list a bunch of approved alternatives in the list below with Castrol Syntrax being the easiest to obtain. The bolt part number is from an E36 328 Coupe MY1999. If you can remove the shields first. Turned out to be the axle flange seals. Numbers cast into the housing will not help with identification. The method of DOING MATH is the only 100% way to verify the gearing RATIO, as a RATIO is by definition one number's relation to another. There is no manufacturer-approved diff oil, unlike engine oil where BMW publishes 3rd-party oils compliant to their LL-XX specs. I'm questioning if the printed S is somethig BMW put there. BMW e36 323i/325i/328i Typ 188 Lamellensperrdifferential 45% mit i=3,46. On some tags, the first 2 digits don’t appear on the tag, but they must be used to identify the axle. 73 LSD. Aug 12, 2010 · Some of the old 325is autos with cold weather had them. Hope this helps! Jan 9, 2017 · The first is the tag on the differential housing. I suppose the larger bushing could be pushed out 8mm or something and it would make up for it, but the front mount spacing seems to be a dealbreaker. Plugged it into ISTA and come up with these codes. If it has an "S" prefix, it's already an LSD. Clutch/Driveline/Diff A full line of clutch, transmission, differential and driveline parts for the BMW 2002 including parts for the 5 speed upgrade. Appreciate 1 CrownRoyal79 300. Both the shafts and flanges have been blasted, painted and are rust free. 38 ratio so this is the only gear ratio high enough for me to justify a swap. Jul 2, 2019 · Home Post BMW Differentials Gear Set Easy Identification. Mar 26, 2012 · A BMW diff comes with a tag attached to one of the bolts' which identifies the ratio, and whether it's an LSD. I have a question in relation to the differential ratios on the f32 models. So for me the Quaife is a fit n forget device. The medium-size diff The lockup calibration and wear characteristics may be heavily influenced by these additives and this viscosity. If you're swapping the drive train in your RWD BMW you will likely want to swap out the rear differential to one with a ratio that suits the transmission and your driving characteristics. You can feel the cornering G forces. Part numbers are usually cast into the metal so look carefully for one if the paper tag has fallen off. Jul 22, 2024 · Learn how to determine the differential size in BMWs up to 1999 by counting the bolts on the side caps. BMW (4. The E30 was fitted with two sizes of differential. E36 dif gear ratios follow some pretty straight forward rules. Jun 11, 2004 · Bimmerforums is the preferred online BMW Forum and community for BMW owners. And they even noticeably reduce fuel consumption. You will also find an “S” stamped on the top of the differential. Our professionals are here to help make sure you find the answers you need to your questions and our community is here to help other brainstorm Aug 29, 2021 · Yes, so does Motul says same thing. i have now cleaned the diff and plan to re-check after couple of hundred miles again to see how much it leaks. Getting an e46 differential was easy, i found one in a junkyard, but there's not much information about these things on the internet. May 16, 2022 · The diff in my 330d manual needs replacing. I have a 74 Tii without the original diff. Some quick searching shows that this style of diff may have come on small motor E34's but if you look at an E36 diff the mounts on the actual case are quite a bit different. Should I worry about it? We checked the diff and is coming from there. I have completed this repair on my 2007 335i with the tool and I wanted to add some information for those who may read this thread in the future. Ignition & Electrical Distributors, spark plug wires and ignition parts for the BMW 2002. Nov 6, 2019 · From the outside, you can easily denote a limited slip differential by 2 means: The tag on the differential has an S before the ratio. 2 liters Alot of the earlier bmw models run of Castrol SAF-XO wich is a 75w-90 weight. was always written in a different format to that on factory fitted diffs. 9 of litre (530d F10, non Xdrive) so a 1 litre bottle will be perfect. The differential is mounted by 2 18mm bolts from the front and a 21mm nut and bolt on the top drivers side near the corner. Enclosure 8 of SI 33 01 96 (149), issue 06/2006, update 08/2018 BMW rear axle differential oil MSP/A Trade name BMW part number Container size BMW rear axle differential oil MSP/A 83 22 2 365 988 1 litres Note: Genuine BMW air filters are precisely tailored to every individual BMW engine. Calling it an "e-diff" is misleading, and folks will start thinking it's something like the "e-LSD" on the series base cars. No part numbers are listed as there are variations across models. Perfect for BMW enthusiasts and mechanics. At Bimmerforums, you will find technical how-to information maintenance specifics audio advice wheel and tire combinations and model specific details not found anywhere else. Maxing out below 100mph and spinning in every gear and snakes like maf Hi! I am new here in this forum and i don't own a bmw (yet) , but i am a huge bmw enthusiast, so much that i decided to do an essay about the bmw e46 open differential for my class of mechanic technology. Metric Mechanic Inc – BMW Performance Engines, Transmissions Case Size. Jun 20, 2023 · 60Nm is the proper torque for the E70 rear diff plug. 47) ratio Feb 19, 2023 · I found "Genuine BMW BMW Rear Axle Differential Fluid SAF-XJ - Part Number 83-22-2-357-992", I am not sure this is used for G20 or not. Our professionals are here to help make sure you find the answers you need to your questions and our community is here to help other brainstorm Dec 5, 2016 · E92 pre-LCI 325i - Ohlins R&T; H&R spacers; M3 strut brace; Swift thrust sheets; 3 x chassis braces; diff brace; N53 V-brace; 034 subframe inserts; BMS clutch stop; BMS CDV; RE g/box mounts; Delrin shift bushes; Saikoumichi OCC; Cyba scoops; BMW Perf Exhaust; HEL s/steel brake hoses; M3 rear spoiler; Recaro Sportster CSs; M3 white dash LEDs; LED Angels; LED side repeaters; BMW Perf black The oem stamped tag on the diff itself says "S3. I only drove her 2-3 times after diff replacement before I put away for the winter. I was going to check if I still had the "slop" after the diff was changed. If you would like to know what kind of diff is installed in your car, refer to the data tag located on the rear driver's side of the diff. S. Aug 18, 2004 · Here is a picture of the "tag" that is on a differential. 91, 96-99 m3 5 speed have a 3. The output shaft boots are in good condition. I called NHTSA and they said they would also like to hear from people who have had the failure happen. Sep 29, 2008 · Bimmerforums is the preferred online BMW Forum and community for BMW owners. -version 1976 cars came with this open differential, a final-year effort to recover some of the acceleration lost to tighter pollution controls; pinion/ring tooth count is 10/39 (no one has thus far reported an LSD version with this 10/39 tooth count but who knows Sep 16, 2012 · Ordered new friction discs, and star spacers. 04$. What I do know is that I'm sicking of seeing my traction light go off while turning at 15 KM/Hr. If that makes sense Oct 30, 2011 · Bimmerforums is the preferred online BMW Forum and community for BMW owners. OEM fluid is stupid expensive. Mar 25, 2015 · Also make sure you have an LSD – on the diff there is a small tag attached to one of the bolts(BMW only). Traditional BOM’s are 6 digits followed by 1 or 2 digits and start with the numbers 60 or 61. I can hear it way more when I'm in 1-2nd gear, but you can hear it in almost every gear. It currently is mated to the original differential and is ridiculous to drive. Apr 8, 2015 · A 1. FYI, for the E46, BMW does not list individual parts, but they rather sell you a complete differential unit. Jan 4, 2013 · Jeff's category above for the 3. 47 diff from a 325d manual. I would shut the car down and the warning was gone, after 3-4 laps same thing. Nov 16, 2015 · I also like the idea of the Quaife using standard BMW diff lubricants, not the special ones required for clutch type diffs. You can also grab the output shafts and twist one (or try) while holding the other. 35 that comes on my car is very rare, even old, haggard looking diffs are going for a lot of money. I am not saying exceptional, but unique. They said overall the diff was fine, if course however they replaced the bearings abs seals anyway as the diff was already stripped. Identify 168mm, 188mm, and 210mm differentials with examples of specific models like E30, E36, E34, and M5. , solid aluminum or Delrin/aluminum), (2) love the improvements to the feel and handling of the car, but (3) are looking for ways to reduce the associated diff whine that comes from the solid bushings (especially when steady-state cruising on the freeway). Anyway to determine the year of 750 that the diff belonged to? Did you know on every BMW differential from the factory, they placed a little metal tag on the outside cover that denoted which gearing is inside? Over the years, this tag became corroded and hard to read. Robert 1975 Porsche 914/4-2. While I was searching for info about diff interchangeability, I called a few well known BMW differential shops. 91 diff swap (from a BMW X3) after he did it on his 323i. 90:1 -- 49-state U. The correct stock diff fluid in the E90 is Castrol SAF-XJ and its s 75w-140 wieght. The M2 has a MECHANICAL LSD, but also sensors to help engage the diff lock-up proactively under certain circumstances. Nov 7, 2024 · But the front diff leaked on my 996 Turbo. For example, S 3,73 #### would be a 3. Later diffs had metal tags that were attached to a bolt on the back cover. (if th input flange is the front) The stamped tag will say if it is LSD and the ratio. They remove 99% of the dust in the intake air, protecting your engine from wear. 15:1 ratio, LSD. "S3. Mar 9, 2020 · Anyway here are the numbers stamped on the diff cover that has bolts all around it 7515438d and here is another number that was printed on the side of the diff 751499204. For example, a diff that starts off with 4,27 #### would be a 4. It's stamped on a tag that's bolted to the rear of the diff. These cars also run 75w-80. When the tag starts off with a "S", then it is a limited slip unit. I substituted mine with Redline 75w-140 and the exact quatityis 1. It might work ok, but I would wait a bit for more reviews. Star spacers are oversize in thickness to make up for material ground off above. The tags can always be removed and added to an open differential as a scam. 93" means an open end 2. Feb 13, 2014 · Crawl under there and find out. This lowers the car between 10mm and 20mm and, in general, stiffens things up. That looks like a 3. Have had my e30 laid up for a good two years after converting it from an auto to a manual, using a dogleg gear box that originated from a 2. Looking at 580 quid for new seals on both sides and oils (2 bottles). 9 LSD. However, they also said the bearings and seals were fine too, not much wear at all (well, if any concern). My diff was replaced under the recall last month (early December). Some more photos of the casing and rear cover would be helpful. Example: S2. . egehs oyxs deynqm gdzyceo qyuhvyp ssjbjr bwbax pvpol pagtj gqacy lgsor ctt afhcas mndhic qupcd