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SIB 12 28 19: Electrical system check engine light

Electrical system check engine light on B58/N63 engines (2019–2020); BMW gives diagnosis and repair guidance.

BMW service bulletin · NHTSA ID 10169457 · Nov 2019 · also written SI B12 28 19, B122819

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.

THE MIL MAY BE ILLUMINATED BY ERRONEOUS VALVETRONIC FAULTS. One of the following faults may be stored in the digital motor electronics (DME) either as part of diagnosing a different issue; and-or an illuminated malfunction indicator lamp (MIL).

NHTSA's summary of this communication (excerpt)

Official document on NHTSA (PDF) →

Details

Bulletin numberSIB 12 28 19
Also written: SI B12 28 19, B122819, 12 28 19, SIB-12-28-19, SI B122819
NHTSA ID10169457
Document IDs filedB122819
TypeService bulletin
Date
ModelsX5, X6, X7
Model years2019–2020
ChassisG05, G06, G07
EnginesB58, N63
Component (NHTSA)Electrical System
Engine And Engine Cooling

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.