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SIB 54 02 16: Convertible top leak

Convertible top leak on BMW F32/F33/F36/F82 and other models (2014–2017); BMW explains the cause and the approved repair.

BMW service bulletin · NHTSA ID 10147547 · Jul 2016 · also written SI B54 02 16, B540216

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.

GAP VISIBLE BETWEEN UPPER A-PILLAR COWL PANEL SEAL AND CONVERTIBLE TOP SEAL.. When the Retractable Hard Top (RHT) is closed, a gap is visible between the upper A-pillar seal and the cowl panel seal. Photo at left shows gap between Apillar seal and cowl panel seal (inside view).

NHTSA's summary of this communication (excerpt)

Official document on NHTSA (PDF) →

Details

Bulletin numberSIB 54 02 16
Also written: SI B54 02 16, B540216, 54 02 16, SIB-54-02-16, SI B540216
NHTSA ID10147547
Document IDs filedB540216
TypeService bulletin
Date
Models428i, 430i, 435i, 440i, M4
Model years2014–2017
ChassisF32, F33, F36, F82, F83
EnginesB46/B48, B58, N20, N55, S55
Component (NHTSA)Structure

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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