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SIB 64 08 25: Heater fault codes

Heater fault codes on BMW I20 models (2022–2025); BMW repairs affected cars free under a service campaign.

BMW service campaign · NHTSA ID 11036382 · Aug 2026 · also written SI B64 08 25, B640825

What it covers

A service campaign is a fix BMW performs free on affected cars. Ask a BMW center whether it is open on your VIN.

A faulty electric auxiliary heater may have been installed in the certain vehicles. This could result in thefailure of the electric auxiliary heater, utlized for the vehicle interior.

NHTSA's summary of this communication (excerpt)

Official document on NHTSA (PDF) →

Details

Bulletin numberSIB 64 08 25
Also written: SI B64 08 25, B640825, 64 08 25, SIB-64-08-25, SI B640825
NHTSA ID11022361, 11036382 (revisions)
Document IDs filedB640825
TypeService campaign
Date (first filed Aug 2025)
ModelsIX
Model years2022–2025
ChassisI20
EnginesElectric
Component (NHTSA)Electrical System

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 your VIN for recalls

Some failures are covered by a safety recall or a warranty extension. Our free recall check lists NHTSA recalls for your car's model and year.

Check recalls by VIN →

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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