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SIB 31 03 14: Differential noise

Differential noise on BMW F15 models (2014–2015); BMW explains the cause and the approved repair.

BMW service bulletin · NHTSA ID 10148221 · Aug 2014 · also written SI B31 03 14, B310314

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.

Clicking Noise from Front Axle. A high-pitched metallic clicking noise is heard from the front axle when taking off from a stop or during a load reversal (reverse to drive).

NHTSA's summary of this communication (excerpt)

Official document on NHTSA (PDF) →

Details

Bulletin numberSIB 31 03 14
Also written: SI B31 03 14, B310314, 31 03 14, SIB-31-03-14, SI B310314
NHTSA ID10148221
Document IDs filed310314
TypeService bulletin
Date
ModelsX5
Model years2014–2015
ChassisF15
EnginesN20, N55, N57, N63
Component (NHTSA)Equipment
Equipment Adaptive/Mobility
Power Train

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.