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SIB 12 05 12: Steering software update

Steering software update on M57/N52/N54/N55/N57/N62/N63 engines (2010–2013); BMW released a software update.

BMW service bulletin · NHTSA ID 10149580 · May 2013 · also written SI B12 05 12, B120512

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.

N63: Drop in Engine Speed While Turning at Low Speeds. The engine speed may drop significantly below normal idling speed if the steering wheel is turned sharply at lower road speeds. Unfavorable DME software

NHTSA's summary of this communication (excerpt)

Official document on NHTSA (PDF) →

Details

Bulletin numberSIB 12 05 12
Also written: SI B12 05 12, B120512, 12 05 12, SIB-12-05-12, SI B120512
NHTSA ID10149428, 10044019, 10149580 (revisions)
Document IDs filed120512, SIB-12-05-12
TypeService bulletin
Date (first filed Feb 2013)
ModelsX5, X6
Model years2010–2013
ChassisE70, E71
EnginesM57, N52, N54, N55, N57, N62, N63
Component (NHTSA)Engine
Engine And Engine Cooling › Engine
Steering

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.

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