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SIB 06 21 26: Muffler Bracket Return

Muffler Bracket Return on BMW F30/F31/F34 models (2015); BMW explains the cause and the approved repair.

BMW other communication · NHTSA ID 11029026 · Feb 2026 · also written SI B06 21 26, B062126

What it covers

A general communication BMW filed with NHTSA.

Muffler Bracket Return

NHTSA's summary of this communication (excerpt)

Official document on NHTSA (PDF) →

Details

Bulletin numberSIB 06 21 26
Also written: SI B06 21 26, B062126, 06 21 26, SIB-06-21-26, SI B062126
NHTSA ID11029026
Document IDs filedB062126
TypeOther communication
Date
Models328i
Model years2015
ChassisF30, F31, F34
EnginesN20
Component (NHTSA)Structure › Body

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.