Reviews of OEM BMW pistons

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missing 8 reviews

7 votes

Average rating ?

3.5

Power:

3.5

2 reviews

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OEM BMW

Germany

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OEM BMW › Pistons

Public_Fix_6713 31 Dec 2025, 05:27

Rating 3.0

Power:

This piston came out of my N52b30 with around 220000 km. It was kept pristine, ran it on thrice the volume of oil additives as per the forums recommend, along with 30/70 racing coolant additive to HOAT+ approved coolant. The car was being driven moderately hard, and not on smooth roads.

Pros: pristine condition, additives used

Cons: driven moderately hard

Vehicle: BMW

Mileage: 220000 km

OEM BMW › Pistons

RJCA-Burgt 2 Dec 2025, 17:41

Rating 4.0

Power:

But in europe its best to get early b25 (85-87) pistons for higher compression(9.75.1), late model pistons (8.8.1) work fine aswell but just a little bit lower compression so a little bit lower performance.

Pros: higher compression

Cons: lower performance

Vehicle: BMW

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What we know about OEM BMW pistons

The brand is registered in Germany.

In March 2026, PartReview does not yet have a formed opinion of OEM BMW pistons. You can help by adding a review for OEM BMW pistons.

Currently there are 2 reviews and 7 votes. Average rating — 3.5 out of 5. Vote balance: 5 up, 2 down.

Users also evaluated the qualities of OEM BMW pistons:

Power - engine feels weak, especially under load - rated positively. 3.5 points out of 5.
Smoke - blue smoke indicates oil getting past pistons - no rating yet
Noise - deep knocking under heavy throttle is a danger sign - no rating yet

Pistons OEM BMW in car-specific ratings

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