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SIB 04 02 21: Equipment service information

Equipment service information on BMW E60/E84/E89/E92 and other models (2011–2018); BMW explains the cause and the approved repair.

BMW service bulletin · NHTSA ID 10200226 · Jun 2021 · also written SI B04 02 21, B040221

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.

Distribution of the following tool will be through the Automatic Tool Shipment Program

NHTSA's summary of this communication (excerpt)

Official document on NHTSA (PDF) →

Details

Bulletin numberSIB 04 02 21
Also written: SI B04 02 21, B040221, 04 02 21, SIB-04-02-21, SI B040221
NHTSA ID10200226
Document IDs filedB040221
TypeService bulletin
Date
Models228i, 320i, 328i, 428i, 528i, X1, X1 SAV, X3, X4, Z4
Model years2011–2018
ChassisE60, E84, E89, E92, E93, F10, F22, F23, F25, F26, F30, F31, F32, F33, F34, F36
EnginesB46/B48, N20, N47, N52, N54, N55
Component (NHTSA)Equipment
Equipment Adaptive/Mobility
Equipment › Other › Owners/Service/Other Manual

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.