Bmw E31 Differential
By the Editorial Staff
March 24, 2026
This Genuine BMW speedometer / pulse generator is mounted in the back of the differential and provides wheel speed information to the instrument cluster speedometer. This item fits the following BMWs: 1987. BMW Differentials for E31 840, 850 All differentials are built to order and we are currently running at least 2.
Give your BMW E31 the performance it deserves with the OS Giken SuperLock LSD. Engineered for BMW 840i, 840Ci, 850Ci, and 850CSi models, this advanced limited slip differential enhances traction, cornering control, and overall drivability. ‹ previous next VAC - Performance Built Differentials (BMW E31).
Unlock unparalleled performance in your BMW with RacingDiffs' 210mm LSD Unit. Forged for strength, adjustable for precision, and silent in operation. Drive with confidence.
Available for BMW large case differential (210mm) for following models: E36 M3, E28, E34, E32, E39 M5, E38, E31 and more. FAQs What is the difference between limited-slip differential (LSD) and locking differential? LSD distributes torque between wheels to improve traction, while a locking differential forces both wheels to rotate together, ideal for extreme off. Stock or limited-slip, we stock bearings, repair parts, complete differential units, and approved differential fluids so you can keep sending power to the axles without noise, harshness, or vibration.
BMW 8-Series E31 (1991-1997) - Axles, Bearings & Differential (Axle Shaft Assemblies) Axle Shaft Assemblies and Parts This section contains all the parts needed to replace or work on your axles. Removed from an E31 840i, this Rear Differential Mount presents in excellent condition. NLA from BMW.
8 Series E31 (1989 - 1999) 840Ci. 8 Series E31 (1989 - 1999) 850Ci. 8 Series E31 (1989 - 1999) 850i.
A full race only differential with a lightened and strengthened internal rotating assembly features 10 sintered contact surfaces for maximum lockup and traction. Multiple different ramp angles to suit your driving style. Made in England, these diffs are used by top BMW race teams.