I loved swapping differentials with my BMW. Changed out quite a few of them and a nice short gear in my 535 out of a 735 was pretty fun.
Pros: pretty fun, nice short gear
Vehicle:
BMW
Reviews of OEM BMW differential
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OEM BMW
Germany
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Say goodbye to a usable 1st gear lol. Redline at like 15mph. But it’s peppy. I have the stock 325 auto diff 3.46 final drive ratio with 6sp.
Pros: peppy acceleration
Cons: unusable 1st gear
Vehicle:
BMW
i just put in a 3.64 finned zhp diff in my 325i but it’s auto. it completely woke up the car i love it, but the 3.64 is pretty rare .
Pros: woke up the car, improved performance
Cons: pretty rare
Vehicle:
BMW
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What we know about OEM BMW differential
The brand is registered in Germany.
In March 2026, PartReview does not yet have a formed opinion of OEM BMW differential. You can help by adding a review for OEM BMW differential.
Currently there are 3 reviews and 10 votes. Average rating — 4.1 out of 5. Vote balance: 8 up, 2 down.
Users also evaluated the qualities of OEM BMW differential:
- Noise - howl or whine from the axle at steady speeds, signaling gear wear - rated positively. 5 points out of 5.
- Clunks - bang when going on/off throttle, indicating excessive backlash - no rating yet
- Leaks - gear oil around the diff or on the ground, risking damage - no rating yet
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