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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.
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.
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
Includes rear differential bushing, differential oil temperature sensor.
This item fits the following BMWs:
G20 M340i, M340iX, 330i, 330iX G29 Z4 30i, M40i
Transmission mounts play a crucial role in supporting the transmission, but they can degrade over time. This degradation can result in a loose feeling, missed shifts, and potential damage to driveline components.
To avoid these issues, replace worn-out transmission mounts with high-quality new stock from Genuine BMW.