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SIB 41 05 22: Water in the right tail lamp (aka taillight)

Water in the right tail lamp (aka taillight) on BMW F44 models (2020–2023); BMW explains the cause and the approved repair.

BMW service bulletin · NHTSA ID 10224202 · Aug 2022 · also written SI B41 05 22, B410522

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.

Water in the right tail lamp (aka taillight).

NHTSA's summary of this communication (excerpt)

Official document on NHTSA (PDF) →

Details

Bulletin numberSIB 41 05 22
Also written: SI B41 05 22, B410522, 41 05 22, SIB-41-05-22, SI B410522
NHTSA ID10224202
Document IDs filedSIB410522
TypeService bulletin
Date
Models228i, M235i
Model years2020–2023
ChassisF44
EnginesB46/B48
Component (NHTSA)Exterior Lighting › Tail Lights

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.

More for these cars

All B46/B48 bulletins

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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.