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SIB 63 08 16: Turn signal - intermittently flashes at faster rate

Turn signal - intermittently flashes at faster rate on BMW E90/E92/E93/F07 and other models (2012–2018); BMW released a software update.

BMW service bulletin · NHTSA ID 10146793 · Dec 2016 · also written SI B63 08 16, B630816

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.

TURN SIGNAL - INTERMITTENTLY FLASHES AT FASTER RATE. Turn signal, intermittently, flashes at faster rate or not at all. Software error in FEM (Front Electronics Module)

NHTSA's summary of this communication (excerpt)

Official document on NHTSA (PDF) →

Details

Bulletin numberSIB 63 08 16
Also written: SI B63 08 16, B630816, 63 08 16, SIB-63-08-16, SI B630816
NHTSA ID10146793
Document IDs filedB630816
TypeService bulletin
Date
Models320i, 328d, 328i, 330e, 330i, 335i, 340i, 428i, 430i, 435i, 440i, 5 Series Gran Turismo, ActiveHybrid 3
Model years2012–2018
ChassisE90, E92, E93, F07, F30, F31, F32, F33, F34, F36
EnginesB46/B48, B58, N20, N47, N52, N55, N63
Component (NHTSA)Electrical System
Exterior Lighting › Turn Signal

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.