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SIB 11 05 15: N20 and N55 Engine

N20 and N55 Engine on N20/N55 engines (2011–2013); BMW explains the cause and the approved repair.

BMW service bulletin · NHTSA ID 10147653 · Mar 2015 · also written SI B11 05 15, B110515

What it covers

A service bulletin tells BMW technicians how to diagnose or fix a known issue. It is not a recall: a repair under a bulletin is normally paid by the owner unless the car is still under warranty or a warranty extension applies.

N20 and N55 Engine: Engine Oil Filter Application for Plastic Oil Filter Housing.

NHTSA's summary of this communication (excerpt)

Official document on NHTSA (PDF) →

Details

Bulletin numberSIB 11 05 15
Also written: SI B11 05 15, B110515, 11 05 15, SIB-11-05-15, SI B110515
NHTSA ID10147653
Document IDs filedB110515
TypeService bulletin
Date
Models320i, 328i, 335i, 528i, 535i, 550i, ActiveHybrid 3, ActiveHybrid 5, X1 SAV, X3, Z4
Model years2011–2013
ChassisE60, E84, E89, E90, E92, E93, F07, F10, F25, F30, F31, F34
EnginesN20, N55
Component (NHTSA)Engine

Model, year and engine coverage comes from NHTSA's records. Not every car in this range is affected; the official document lists the exact production dates and conditions.

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Source: NHTSA Manufacturer Communications (public data). BimmerBench is not affiliated with BMW or NHTSA. The title and description above are our own plain-English summary; the full bulletin is BMW's document, linked above.