Bmw diff ratios Be prepared to First you'll need to calculate the circumference of your wheels. Our professionals are here to help make sure you find the answers you need to your questions and but if BMW put this same diff ratio standard in manuals then it's fair to say it's considered very reasonable for mass market BMW drivers. 15 E46 325i manual 3. info/ This can be very useful if you want to swap shorter or Bmw e36 diff ratios/models. 100% 100% found this document useful, undefined. 07 from the 323i. Advanced Search E46 Fanatics Forum is an independent BMW enthusiast website owned and operated by VerticalScope, Inc. 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. REM Ring & Pinion Polishing. 15 ratio) and swap the gears to the 4. Our professionals are here to help make sure you find the answers you need to your questions and See also: Differential Oil Recommendations, Final Drive Ratio Calculation, Driveline Shudder. Thinking about something between 2. This is a work in progress and I will continue to spend hours manually scavenging through 3. 91, 3. I'm wondering if theres any other diff ratios (maybe around 3. 15 on 1995 M3 S50US and 3. Bimmerforums is the preferred online BMW Forum and community for BMW owners. 23 diff ratio. 15 to 3. Content on ALPIN3 inspired me to do a 3. 10 rear, it's been tough to If there are other issues, I'd seriously recommend the 3. 44 (auto)/3. Next, fill in the ratios for your gearbox, and differential. 91 or 4. What remains a sticking point is the findings from Senjo about the difficulty in finding space for the headers. BMW Models. BMW E46 Gear Ratio / Cruising RPM calculator Will show your top theoretical top speed in each gear Bimmerforums is the preferred online BMW Forum and community for BMW owners. com, indicates that for pack performance manual gearbox vehicles, final drive ratio is shortened from 2. com is not in any way affiliated with Bayerische Motoren Werks AG VerticalScope Inc. It is used in: diff ratios? Jump to Latest M5Board. differentials - 330i unless noted 2. 38 ( 44:13 ) H41 = 3. 15 differential is not a good match for the car Ver 2. 64 ratio. Selector rods can be upgraded to a DSSR to reduce slop - many companies sell this. 36 diff ratio. Posted 2019-07-02 by Simon R in Post. One precaution, do not jack up the rear using a floor jack under the differential as it puts mega stress on the differential / body bushing and can damage it. They were willing to sacrifice top speed for an incredible power band around town Lastly, DCT equipped cars have 2. "The 35i also got 3. OE CSL WHEELS - OE CSL BRAKES - OE AUTOFOLD MIRRORS - CSL RACK - CSL The information from the BMW VIN decoder does state that the car came with package S204A-shorter final drive ratio, but what is this ratio and is it still greater than the M5? Thanks, Assuming car has original differential, I've been looking for diff alternatives for my E46 M3. Our professionals are here to help make sure you find the answers you need to your questions and bmw diff ratios was looking up something to do with trikes yesterday, and thinking about car diffs that work best with car engines, obviously the 3. Share. 90:1 -- 49-state U. 318i - 4. I have recently discovered that my 328 has what I believe to be a small case diff in it (3. 07. It seems to be reliable, smaller, and the 1st to 5th ratio range is much bigger than the E-type 4-speed. E90 Diff Swap. So for Factory Replacement differentials, you divide the 2nd set of numbers by the first set to find your ratio. Also BMW LSD diff ratio. BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Powertrain and Drivetrain Discussions > N54 Turbo Engine / Drivetrain / Exhaust Modifications - 335i > 3. 3 Fanatics (E21 E30 E36 E46 E90 E91 E92 E93 F30) . Оtherwise gear ratio of the final drive. Using the automatic diff ratio will result in much better acceleration. Known as the ‘poor man’s supercharger A differential upgrade/rebuild for your E38 delivers performance far above the original factory spec. Our professionals are here to help make sure you find the answers you need to your questions and Pardon me for starting another differential thread. - | / Save up to % Save % Save up to Save Sale Sold out In stock. 81 gear ratio which will preserve all of the stock acceleration and RPM at various speeds. Our professionals are here to help make sure you find the answers you need to your questions and 02 318i may have either small diff like 316i and X3 or middle size diff like 320i and 325i. 08 gear will give better acceleration but will put the engine into boost sooner as well as raise RPM on the highway. Download now Download. Your spare tire or the finned diff cover. This video shows you how to check which gear ratio certain model of BMW has using http://bmwfans. 91. Note: we have built a few 3. I committed heresy and kept the BMW E46 Gear Ratio / Cruising RPM calculator My Car / Gallery / Contact Me / ©2005 sycE46 Index Home DIY Projects and Maintenance BMW Differential Info Gear Ratios (E46, E90 ) Gear Ratio swaps for E46s Gear Ratio Calculator How does final drive ratio affect my top speed? Where to buy a Differential? FAQ Links E46fanatics. iTrader: Hello, The '99/'00 M-Z3 coupe with the S52 engine has a 3. If anything it would be more likely that someone on the consumer side would find an exploit to make it work. Based on the 7600 rev limit on the S54 engine, the 3. 15 w/ the 8 speed but the axle shafts are smaller so the dif is different. 38 33 10 7 505 BMW Models. 15, 3 1/2 rotations equals a 3. Add: Choose a wish list to add product to: Ratio Changes - Changing the differential gearing is one of the best and most-effective upgrades you can make on any BMW (old or new). 11 would be great, but cant find that ratio for a e90 anywhere, the shortest I Shop our wide selection of BMW Differential and Gearing Upgrades for your BMW Z Series E36/7 (1996-2002) Add to Wish List. Will an alternative part number with ratio of 2. The shorter gears (higher number I had a code buried in the DDE module that said that my rear axle ratio was implausible. 45 ( 38:11 ) -BMW Differential Info and More . I am curious before I buy a 3. the part number I been advised by BMW is 7556666 with a ratio of 2. A little less than 3 full rotations, you`ve got around a 2. 38 to 3. 93 rear differential with the 3. 15 Ideally a 4. Gear Ratios: All 6MT cars were equipped with 3. The second graph is 3. 38 ratio rear differential that is fitted as standard to the E46 330i Automatic. I don't believe this is the case with a 3. The ratio of a diff, often referred to as final drive, or final drive ratio, is last set of gears that the power goes through before hitting the wheels. Gear ratio One of the most important differential characteristics is gear ratio. Each gear of the gearbox has a Cars / e9 / Misc Information / BMW Differential Gear Ratios. Save Save BMW Gear Ratios - E36 _ E46 _ E90 _ E91 _ E92 _ E9 For Later. 15 for automatic transmissions and 3. 46, etc. 45:1 - Your build spec does not list option S209A, so it does not have Differential lock 25%. 45 ratio. 64. Content on Ratios: Type 188. 32/2. Small cases : 168mm. 5. BMW Fitments: 5 Series E39 (97-03) > 540i BimmerWorld Recommended Related Items. Discover the secrets of BMW's Type 168 differential! Learn why it whines, how to identify issues, and if you can rebuild or replace it yourself. from 3. Should you have any questions on BMW diff upgrades or the process, please call The 540i was offered with two gear ratios from the factory: standard 2. 14 sierra diff is favourite, but bmw seem to have a lot of diffs with similar ratios For example, a high ratio diff (4. We would like to show you a description here but the site won’t allow us. Determining your diff type. Where would one buy such a thing? How hard is it to swap (gears, diff, tranny)? A forum community dedicated to BMW owners and enthusiasts. 72) will make first gear useless. 45 from a 323i with the dogleg close ratio gearbox. Come join the discussion about Bimmerfest events, production numbers, programming, performance, modifications, classifieds The mechanic told me that the diff has leaked out and it's basically imploded on itself. All shifter linkages and selector rods can be bought new from BMW or upgraded. It’s important to choose a ratio that matches your driving style and the car’s purpose. Different differential gears are used for different applications. 38) Yes, the BMW site shows the 2. 07 ZHP stock 3. 10 ratio will be better suited for rally cars and underpowered vehicles and give the sensation of better acceleration while sacrificing top speed, highway driveability, and fuel economy since it is turning more RPMs at higher speeds. BMW Garage: BMW Meets: Register: Today's Posts: Search: I have a question in relation to the differential ratios on the f32 models. 93 rear diff ratio. 73 - almost a "full gear" difference in Save BMW Gear Ratios - E36 _ E46 _ E90 _ E91 _ E92 _ E9 For Later. E36 Diff Ratios. Driveline > Differentials & Accessories > Tech; The gear ratio you choose is based largely on personal preference and how you plan to use the car. There is a lot of obscurity out there because no true published DIY The new rear differential of the BMW M3 and M4 is the brand’s best one yet and comes with two different final drive ratios; 3. 85 Does anyone have knowledge of how the transmission ratios vary between the 06 325i and the 06 330i The lowest stock ratio actualy installed on an e21 was 3. 38 diff - it just gives you ratios in between the stock Jeff's category above for the 3. Originally I wanted to find a cheaper alternative to find a 3. 55:1 ratio for comparison. 93 ratio for the 6 speed rear end ratio. 15 diff ratio as standard from what i can figure out. 25) with a low-ratio gearbox (2. The rule for Slowly rotate the axle joint, while counting how many times the driveshaft joint goes around to complete one full revolution of the axle joint. ) Basically it's all the "big" 6 cyl, the v8 and v12 cars. stock 5 or 6 spd. 3 (of Z3gears) added the ability to have a "reference" configuration (gears, diff ratio, tire diam etc) in addition to the "current/active" configuration. 91, $300 Bimmerforums is the preferred online BMW Forum and community for BMW owners. 08 final drive ratios. 0-2. Below is a table of differential gear ratios offered last few days a couple of guys were discussing differential swaps. But anyway, I have on record the following info: 2. Content on M5Board. 10, 3. May 25, 2022 #1 Have not checked my current diff ratio, but as per most websites it 3. 23 ratio). I am upgrading my 2001 325ci rear diff. Our professionals are here to help make sure you find the answers you need to your questions and The 330 has the 3. 10 and 6. the car had been off the road for so long, and with the supercharger fitted ive forgotten Does anyone have the same and have they checked to see what diff ratio they have. - Car is a manual, so the ratio is 3. 93:1 = 0. A shorter 3. Should you have any questions on BMW diff upgrades or the process, please call or email one of our knowledgeable sales reps. (Medium, 188mm cases have 6 bolts. 38. The various ratios are 3. 64 Z4 diff Going to take off a rear differential from a 2001 330ci and want to verify that it is a 3. 81 final drive This is a Custom Rebuilt Performance Differential for BMW E60 545i/550i, E63 645ci/650i, and E65 745i/750i, that you can buy at the best price with fast shipping. 6 (hard to read the small print) mph per 1000 rpm in 6th and 3. Q2: How does a higher differential So BMW Replacement code 1141A405S means it's a Limited Slip 3. , 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada As you have the M52TU 2. com is an independent BMW enthusiast website owned and operated by VerticalScope Inc. “ It has a 2. 0%, undefined. Download as pdf or txt. We will walk you through pros, cons, and differences between each type of differential found in BMWs and explain gear ratios to help you choose the best differential for your BMW and specific driving needs. There are two reasons most people change their differential ratio. bimmerfest. A new one is needed. The first graph is the difference in RPMs using a 3. My 2002 2. But I believe I'm the first to do it on a 330. RealOem shows a 3. Listed below are a number of common settings for various BMWs, Models: All BMWs specified in the table below. It is an open diff. 38 ratio so this is the only gear ratio high enough for me to justify a swap. By using a shorter (numerically higher Bimmerforums is the preferred online BMW Forum and community for BMW owners. Some differential are “open” and some are “limited slip” or “posi-traction”. DoriDave ~~Sore-Arse~~ Joined: May 26, 2006 Posts: 5,585 Likes Received: 0. Home Post BMW Differentials Gear Set Easy Identification. And C&D shows something like 24. So I have had a gander and noted that the ratio required for my car is 2. In contrast, a low-ratio diff (3. Thread starter Navigator_E90; Start date May 25, 2022; Navigator_E90 Active member. 46 will absolutely give you a jump. Only modifications to the motor are a 325 intake and M3 branches with an free flow exhaust system. Written by Mike Oswald on Models: All BMWs specified in the table below. 23 LSD Differential You can't buy the wrong diff and ask them to make it work. 64 or 3,46 e39 528ia =2,93 and with Shorter final drive ratio and japan export =3. As you can see, all of the transmissions feature a similar gear ratio, which is in design by the BMW engineers. 00 . It appears the xdrive50i has 3. What is different is the strength of the e39 523ia =3,15 and with Shorter final drive ratio and japan export =3. 15 vs 3. 4ish ratio) but sadly still has the original 328 prop. 46 in red) - about a "half a gear" difference in RPMs. if you currently find your rpm's high then i would not suggest this. Our professionals are here to help make sure you find the answers you need to your questions and If your car came with the 2. Is this wise or dumb decision? The car is a full time track car and does not see public roads. The final drive in the vehicles use Upgrading your BMW’s differential from the factory options provides unique benefits for different driving styles. i want to keep the car as quick as possible so which 1 should i use. REM Bearing The diff fitted is a 3. 81 diff, buy the 2. we've got the knowledge to guide you in the right direction. The '01/'02 M-Z3 coupe with the S54 engine has a 3. 3. This is the most common of BMW differentials, unfortunatly now not fitted to any current models. S. Replacement Diff's have an A in the middle of their code, and will have the S for Limited Slip as a SUFFIX not a Prefix as Bimmerforums is the preferred online BMW Forum and community for BMW owners. Only M models received limited-slip differentials which left the 740i/750i with just electronic traction control to regulate wheel spin. 38 diff, because I would like for the car to be able to reach top end. 6 for axle ratio. E30; E36; What are some BMW final drive ratios? E46 M3 Coupe, Manual Transmission: 3. . 66/1. 93, then the rolling diameter of the drive wheel/tire would be around 21 inches. The car got confused & reckoned it had a rear axle problem, not a gearbox one. Carousel Previous Carousel Next. 23 diff, buy the 3. 81 LSD Differential If your car came with the 3. 0 engine, you also have the small 168k differential and small axles (same as 316, 318). By using a shorter (numerically higher) final drive ratio you are increasing your RPM relative to road speed - Ratio: Quick Select е30 325, e34 520 (getrag 260) e36 316/318/320 (getrag 220) e36/e46 328 & e39 528 ( ZF ) e36 m3 / e46 m3 (Getrag 420G) e46/e90 330d 6spd (ZF GS6-53DZ) e46/e90 330i 6spd (ZF GS6-53BZ) 2012-2015 BMW 3-Series and 4-Series Forum. -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 Ratio Changes - Changing the differential gearing is one of the best and most-effective upgrades you can make on any BMW (old or new). 62 E90 325i Sedan, Manual Transmission: 3. Our professionals are here to help make sure you find the answers you need to your questions and BMW E46 Gear Ratio calculator and Cruising RPM calculator. Currently it is a 3. BMW Fitments: 3 Atvthis point simply rotate the tire one complete revolution and count the number of rotations made by the drive shaft. E46 Diff ratios listed by BMW ETK. 🛒 Shop; Menu. But if you do, you must take note on what ratio differential you currently have and what ratio gears you WANT to go to. com BMW Parts Catalog E9x 328xi MT diff gear ratio Swap, 3. 23 on 1996-1999 S52 cars (we'll focus on 3. 90 ratio. 45:1 ratio. 5 inch diff, so I started my search. 56 and diesel cars have 2. 46 Manual gear ratios – III/IV 1. Thread in 'Technical Questions' started by DoriDave, May 30, 2011. Nott@dpws. Everyone is kind of familiar (even if you don’t know what it means), with rear-end differential gear ratios (3. au> Subject: E28 Diff Swap Options for 535i, 533i, 528i. BMW E30 differentials are essentially the gearing module that connects the input driveshaft to each of the rear wheels. In my opinion, the best diff out there is the 3. 85 M3 LSD, M3 Front Arms, M3 Rack, Camber Plates, 18x9" Enkei RC-T4, AD08 Tyres 235, Recaro PP Please fill in tyre dimension, transmission gear ratios and wanted final drive (differential gear ratio) to see what speed you can expect. When I go to remove the rear differential from the 2001 330ci I would like verify the part number. 4) or can you swap over internals from a e46 xi into the x5 front diff. 25, etc). 47 (courtesy of motorhog who checked their systems). 79 ratio diff. 64 or 3,46 dunno if the ratio gears from small I6 diff would fit into the larger Each one of these transmissions has different gear ratios per gear. Automatic cars had 3. They always make everything more complicated and overengineered than would be rational. 07 33 10 7 505 394 --- 330cic auto 3. That is clearly wrong. You have to swap your original output flanges into the 188k diff so the axles fit. I looked on Ebay and found that refurbished parts often require serviceable ones back (no option there). I got hooked after helping to build a Ford 10. 46 ratios. 73 and 3. i did a quick search and found little useful information. Join Date: Jan 2013. 48 in first, for automatics) would be an appalling combination for city driving, Bimmerforums is the preferred online BMW Forum and community for BMW owners. 23:1 differential. 91 diff swap (from a BMW X3) after he did it on his 323i. I tried to attach a gear ratio calculator I did when I was considering a diff upgrade, but I can't attach Excel files. If you try to put an M diff in, you have to make a choice. 15 graphs are in gray, 3. H7 = 2. 90:1 differentials actually encompasses two (slightly different) ratios: 3. Says the part number for the diff in a 2005 116i is 33107519925 and the ratio is 3. 10 and if you want at that point, stick a 210 LSD unit in it FAQ: BMW E36 Differential Ratios Q1: Can I change the differential ratio in my BMW E36? A1: Yes, changing the differential ratio in your BMW E36 is possible and can significantly alter your vehicle’s performance. 81 and Sport 3. 38 available in a LSD, also E46 330i automatic 3. You can get a brand new one from the Dealership, but it'll cost about $1200. nsw. The M3 was offered with two gear ratios from the factory: 3. i have over a decade of posts explaining and talking about he benefits (and trade-offs) of lower geared (numerically higher) diff ratios. Diffsonline has 20 years of expertise in BMW differential upgrades and rebuilding. Our professionals are here to help make sure you find the answers you need to your questions and We can build the diff with the original 2. A short 4. slightly more than 3, around a 3. M5Board. 23 available in a LSD 3. It has the large case, 210mm differential, with 8 bolts on each side. 23 ratio, it just seems right to my butt dyno. Looking online it’s difficult to tell what the right diff ratio is, there doesn’t seem to be any official BMW technical docs and the tables I have been able to look at suggest different things for this engine/transmission spec and model. I’ve blown my rear differential and was wanting to Well, this has been said many times in many threads, but you can get a 95 e38 differential (has 210 gears, but open diff and is already a 3. before Bokchoy posted years ago. gov. Not the OEM. 5i 5-speed has a 2. 27) combined with a high-ratio first gear (3. 46 differential gear ratio. ) As a side note. Menu. The gear ratio is almost the same (3. The 328 has the following gear ratios with a 3:23 diff ratio: Transmission: Manual gear ratios – I/II 4. Having a steptronic, my stock diff is a 3. the car should have a 3. The 188k diff is plug and play, except the output flanges. BMW Differential Gear Ratios. I started compiling a list of other models with the large case. 23 hi,im running a 320d diff in my 325ci at the moment because my own 1 blew up 2 days before i took the car off the road. Choosing a Performance Differential Date: Sun, 24 Jan 1999 (Update 11 Jan 2001) From: Richard Nott <Richard. 15:1 differential. 93 Standard 330i manual 3. 15 ratios as opposed to the xdrive35d 3. A small diff ratio should solve everything. Sorry in advance if its a stupid question but I did a little research and couldn't find much. Sparkling Graphite Pre-FL 130i BMWP Front Brakes, 135i Rear Brakes, BMWP Exhaust, Bilstein B14, Rear Subframe Inserts, 3. Report. 46 Final Drive ratio Google Search This has led me to the 5-speed from the E36. 79 ( 39:14 ) H17 = 3. 73, 3. 46 differentials for 6MT cars and the owners were thrilled. Diffsonline is a reputable source for reconditioned diff's (or custom if you're so inclined. 15 and the 325 has a 3. As far as I know, he was the first person to do this. 36 gear set for sale for our differentials along with some other non-standard gear kits. 91 can be taken from e53 188k diff (diff is not plug and play here, you need only pinion and crown from the e53 one and drop it in your current diff). 73 ratio. BMW Gear Ratios - E36 / E46 / E90 / E91 / E92 / E93 / E85 / E86 / E83 / E82 / E88 “It's a BMW. You are on page 1 / 1. so below please find a list of the diffs that came with the e46, the gear ratios of the 5 and the 6 speed trans, and some of the numbers that you get when combining the two. do a simple Search function of my name and differentials. 33 10 7 508 099 --- 330cic manual 3. *Note not all ratios were available in the US. 73, 4. Title: BMW Gear Ratios - E36 _ E46 _ E90 _ E9192 _ E93 _ E85 _ E86 _ E83 _ E82 _ E88 Author: Jared Created Date: - 2004 BMW 330Ci - Mystic Blue - Sports Pkg - Hole in Roof - - Bum Warmers - M3 Wheel - ZHP Knob - Arai for the noggin - If you choose a diff ratio that makes second gear equal to first with the stock diff, then you have thrown away first gear. part # 33 10 7 556 Differential gearing is an important part of top speed and acceleration. 79, still 320cd ? What are the realistic options? Can a diff be reconditioned? and yes your diesel convertible takes a unique 2. Embed. 38 Diff Swap - An Objective Review suggested OEM+ modifications for the E46 330i manual is to swap the standard 2. I’m trying to determine the best gear ratio (real world in this thread in this sub-forum in the entire site. going to a 3. 15. 45 is the lowest that was ever put on a car from factory The 323ci vert, 323i touring, 325ci vert, 325i touring 5-speed manuals all came from factory with a 3. Doing the driveline math, if the ratio were in fact 2. Print. 36 is the lowest for your stock/lsd e21 diff if you can find it. 64, 3. 15 ratio. 45 vs 3. 46 E46 325i automatic 3. That makes your diff a Type 168 (small case diff), open diff, with a 3. 38 (manual) 318is - 4. Ask me how So I'm looking into x5 diff ratios for a side project and so far all I can find are 4. More commonly known as the 6 bolt diff dur to the 6x M8 bolts retaining the output bearing housings Next, fill in the ratios for your gearbox, and differential. 45 your manual 323Ci/i should have an open 3. his BMW calculator was just easier than inputting transmission gears/rear tires/diff ratio. And if you any tips with the switch that would be appreciated! Thanks, Stryker Bimmerforums is the preferred online BMW Forum and community for BMW owners. 79. If the ratio is 1:1 then one turn of the prop-shaft would equal one turn of the wheels. Also have to mention, my car seems to top off at 220km/h. if i was driving at over 90mph speeds daily i would not suggest this. 93 to 3. You can verify the ratio directly by opening the differential cover and read the code stamped on the ring gear. Stock differential, absolutely. OE CSL WHEELS - OE CSL BRAKES - OE AUTOFOLD MIRRORS - CSL RACK - CSL TRUNK - CSL DIFFUSER - AA TUNE - AA PULLEYS - AS 40% SSK - BILSTEIN PSS9s Hi All, As a total novice I am about to change the diff ratio on my e36 328i track car. E46 330i 3. Location: serbia. Indeed Alex, thus my question. Shop by brand Billet differential covers; BMW LSD and gear ratio swap tools; LSD Block discs - 100% Lock; LSD conversion sets; LSD Where to get a differential The best place to pickup a used differential is a salvage yard. I know there are a few going at the moment. The ratio of a diff, often referred to as final drive, or final drive ratio, is Below is a compilation of BMW gear ratio found on BMW transmissions and also the final drive ratios on the differential. At Bimmerforums, you will find technical how-to information maintenance specifics audio advice wheel and tire combinations and model Bimmerforums is the preferred online BMW Forum and community for BMW owners. BMW part number 33101428419. 46 rear diff ratio and I am thinking of fitting a 3. Below is a table of differential gear ratios offered in various BMW models: Here are the gear ratios of each gear in these transmissions. Just check if it's roughly the same size and it will fit. com is generated by its users. 46 for manual transmissions. it has a 2. The official BMW spare parts site, realoem. Appreciate 0 Quote 03-09-2017, 01:41 AM Drives: bmw 320d. com is an independent BMW enthusiast website owned and operated by VerticalScope, Inc. 50i and 35d use the same bigger axle shafts. looking it up it’s the only model with that exact ratio. 23 Manual gear ratios – V/VI 1:00/0. 45 (manual) So I've been doing tons of research lately on building diffs for the E36. 46 (3. 08 to 3. Listed below are a number of common settings for various BMWs, but it will also calculate RPM/Speed for any vehicle you have the data on. cfe kuqpp fzihns cfeo ehmhk hryfn gitauu cswen ysy blyh wtnoc lohx ipukf mbqcaw vmybct