automatic 2002 325i, The Chart below shows manual transmission gear ratios and Final Drive Ratios for US cars. This M3 E46 diff master rebuild kit includes: 1 x Pinion head bearing . Floor jack adapter to lift your BMW and MINI safely and securely; BMW E46 M3 Handling Pack $ 388.42. BMW Differential. See notes below. If you have whining noise coming from your differential, than it is time to replace your bearings and oil seals. Gearing for ALL E46s are the same. (vs 6500-7000 rpms for 323/325/328/330s) Thus, differential noise can be produced, due to drop in lubricant levels or improper gear adjustments. (vs 6500-7000 rpms for 323/325/328/330s) * LSDs from M3 / Z4 M3.2 need additional modifications to fit since the differential is larger. This makes them not as practical to swap out the final drive to a higher ratio and really high ratios are hard to find in the US. Have a 5spd transmission and concerned about hwy fuel economy? How does final drive ratio affect my top speed. The LSD upgrade will resolve the "M clunk" issues which affect the factory fitted LSD. Shop our wide selection of BMW Drivetrain Parts for your BMW E46 M3 S54 3.2L (1999-2005) 4. 3. Diff Lab (OS Giken Australia) is Australia's largest retailer of differential components for BMW and most other popular vehicles. Return … 1 x Pinion preload spacer. Some manual transmission cars already come with a 3.46 final drive ratio in stock form. My 3.46 differential from an This is a Limited Slip Differential for E38, E39, E46, E53, E60 and most other 6cyl BMWs from 1998 to 2006. Though, this doesn't help 323/325s that already come with higher ratios. 323/325 convertible and 323/325 Touring A differential upgrade/rebuild for your E46 non-M delivers performance far above the original factory spec. Signs of a failing BMW E46 differential are handling difficulties, grinding or “whining” noises and rear end vibration. Performing a BMW E46 differential fluid change on a regular basis will help … Firstly, a drop in fuel economy since your engine spins faster to maintain the same speed. This guide will help you match up the noise you’re hearing with the differential or axle component making it, or at least get you in the ballpark. BMW / Mini Jack Pad Adapter $ 19.99. Exchange differential to suit E39 M5 and E46 M3. The chart shows which differentials are interchangeable. I created this web site in response to the growing number of questions about the effects of changing the final drive ratio on a car. You can read how to change the bearings in your BMW differential by reading this … Vehicles make many sounds. We have found that using a 3 clutch limited slip with either the 35/60 or 30/90 ramp angles for a much longer life span and better all around … View Product. Your ratio can only be so big before you start to hit some diminishing returns. 323s and 325s need to jump to at least a 3.38 or 3.46 to see a significant change to make a gear ratio change worth it. Sometimes people use an additive to the differential oil that makes the noise quieter. IT WAS THE OUTPUT FLANGE ON THE DIFFClunks in the video @ 0.17 0.20 0.26 0.33 0.37When strain is put on the driveline you hear a … 1. Helical Gear Limited Slip Differential. This wear affects the differential … I created this web site in response to the growing number of questions about the effects of changing the final drive ratio on a car. PF5K-1006; View Product. 2. I was getting torque … We carry MFactory, OS Giken, Wavetrac, Quaife, Cusco, Cat Cams, Link ECUs, Whiteline and YCW Engineering suspension. Diffsonline has 20 years of expertise in BMW differential upgrades and rebuilding. Price: $159.99. The gearing ratios between these two transmission are essentially the SAME! The E46 M3 came with the M Variable limited slip that is known for a relatively short life span (right around 80k miles). Buying Guide & Common Faults: BMW E46 & E90 3 Series BMW’s 3 Series range has long been one of the most popular model lines for the German car maker and has, through the years, been offered in a variety of body styles from coupe to estate. View Product. Also, this site is geared towards E46 cars equipped with manual transmissions. Most are normal while the vehicle is in motion. Welcome to my E46 Differential site. PF5-4660; View Product. How does this effect you? The higher the ratio is, the easier it is for the drive axle to turn the wheels. Price: $6.90 . Differential Bolt, M12x1.5x80mm, BMW - F87, E36, E46, F8X, E60, E83, E85, E89. What’s one of the biggest weak points on the E46-chassis BMW? Secondly, top speed drops. Each set contains: 1x Small pinion bearing 1x Large pinion bearing 2x Side bearing 1x Pinion oil seal 2x Side oil seal 1x Crush sleeve Upgrade your BMW ~ E46 M3/CSL with high performance bushings, bushings that won't cause vibration or noise and include a Lifetime Warranty! Sometimes, the noise is not differential-related, but is caused by other driveline or axle components. We can refresh the M variable limited slip for a stock rebuild. When ordering this unit, you need to send in your differential to have the LSD unit installed. ** X3 Differentials have been reported to work on the E46… Redline to 7000 RPM 's to maintain the same circle, etc work to! Be a serious matter seals available in sets you more torque by multiplication... / Z4 M3.2 need additional modifications to fit since the differential is larger rotate 3.46 times every! Of 4 Posts, BMW - F87, E36, E46, F8X,,! Problem by using additives in the oil shows manual transmission gear ratios and final drive ratios for US cars:! 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