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SIB 51 24 18: Wheels leak

Wheels leak on B46/B48/B58 engines (2018); BMW explains the cause and the approved repair.

BMW service bulletin · NHTSA ID 10149533 · Oct 2018 · also written SI B51 24 18, B512418

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.

SERVICE ACTION. RE-WORK SEAL OF FUEL FILLER HOUSING. The fuel filler pipe seal is possibly not mounted and/or only poorly mounted over the wheel arch flange. If incorrectly installed, water may leak into the luggage compartment. Incorrect installation during production.

NHTSA's summary of this communication (excerpt)

Find it on NHTSA.gov →

Details

Bulletin numberSIB 51 24 18
Also written: SI B51 24 18, B512418, 51 24 18, SIB-51-24-18, SI B512418
NHTSA ID10149533
Document IDs filedB512418
TypeService bulletin
Date
Models430i, 440i
Model years2018
ChassisF32, F33, F36
EnginesB46/B48, B58
Component (NHTSA)Equipment
Fuel System
Gasoline

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.

Related bulletins

Before you pay, check the VIN for recalls. Some failures are covered by a safety recall or a BMW warranty extension.

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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