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Genuine BMW hex bolt. M12X1,5X28
Be sure to replace your hardware with any flywheel removal service such as the rear main seal or clutch and flywheel.
Servicing your rear differential at regular intervals is important to ensure you maintain both performance and a long lifespan. Over time, the differential fluid can break down, lose its lubricating properties, and become contaminated with metal shavings and debris. Regularly replacing the fluid ensures that the gears and limited slip differential clutch packs are adequately lubricated, reducing wear and tear. Regular maintenance also helps identify potential issues before they become major problems.
This kit includes Genuine BMW differential fluid designed specifically for your M Sport differential and a brand new fill plug. The factory plugs include a rubberized seal that compresses over time and may not seal properly when reused.
One unique aspect of performing this service is the removal of the lower differential temperature sensor. Unlike many typical BMW differentials, this differential does not use a traditional drain plug and instead uses the temperature sensor as a drain plug. This sensor is removed to drain the differential fluid and is replaced before refilling. If you'd like to replace this sensor as well (not included in this kit), please see our recommended items or search BMW part number 33107847469.
NOTE: This kit includes 3 500ml bottles of diff fluid. BMW claims that only 1 Liter of fluid is necessary, but we found that 2 500ml bottles were insufficient. The third bottle included also allows for a minor flush of the old differential fluid before refilling.
This seal is found where the driveshaft connects to the differential.
Genuine BMW Shaft Seal - 50X78X10/15
This item fits the following BMW Chassis:
E70 X5M,E71 X6M,E53 48IS,E38,E39,E53 X5,E63,E65,E70 X5,E71 X6,E82,E89 Z4,E90,E92,E93,F01,F02,F06,F10,F12,F13,F15,F16,F22,F30,F32,F33,F36
Ensure the smooth operation of your BMW's driveshaft with the Genuine BMW Rubber Boot, Center Bearing - 26117526627. Crafted to BMW's exact specifications, this authentic rubber boot provides protection and stability for the center bearing of your BMW's driveshaft. Preventing dirt and moisture from entering the bearing, it helps extend its lifespan and ensures optimal performance. Whether you're conducting maintenance or repairs on your BMW, trust Genuine BMW parts for superior quality and reliability.
Includes rear differential bushing, differential oil temperature sensor.
This item fits the following BMWs:
G20 M340i, M340iX, 330i, 330iX G29 Z4 30i, M40i
Designed to absorb driveline vibrations and isolate the cabin from noise, vibration, and harshness (NVH), OE drivetrain mounts feature rubber inserts. While these inserts provide excellent sound and vibration absorption, they tend to deteriorate as your vehicle ages.
Fortunately, the enthusiasts at Turner Motorsport have created an all-inclusive kit for replacing all three drivetrain mounts and associated hardware.
This kit includes:
Engine Mount - Left Engine Mount - Right Transmission Mount Hex Bolts Torx Bolts Star Socket Screws Refer to the kit contents tab for part numbers and position information.
If you're seeking a high-quality, comprehensive kit to service all drivetrain mounts, look no further than this Genuine BMW service kit from Turner Motorsport.
BMW's latest iteration of Limited Slip Differentials features a design utilizing clutch packs that are engaged and disengaged by an electric motor. As the electric motor activates, a set of gears adjusts a pressure plate which compresses these clutch packs. As these clutch plates are compressed, the amount of "lock-up" increases, allowing for a range of wide range of engagement, from completely open to almost fully locked. This ensures your BMW is able to transfer power to the ground regardless of the conditions for optimal performance and handling.
If you've noticed excess tire slippage in wet or snowy conditions, there is a chance this electric actuator motor has begun to fail and will need to be replaced to restore your M Sport differential's functionality. This kit includes all of the basic components necessary to replace this motor.
Referred to by BMW as an Actuator, Position Sensor, and Set Positioning Motor