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SIB 51 21 19: Electrical system check engine light

Electrical system check engine light on BMW G01/F97/G02/G11 and other models (2016–2021); BMW released a software update.

BMW service bulletin · NHTSA ID 10182910 · Oct 2020 · also written SI B51 21 19, B512119

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.

Official document on NHTSA (PDF) →

Details

Bulletin numberSIB 51 21 19
Also written: SI B51 21 19, B512119, 51 21 19, SIB-51-21-19, SI B512119
NHTSA ID10165284, 10166231, 10176373, 10177627, 10178998, 10181226, 10182611, 10182910 (revisions)
Document IDs filedB512119
TypeService bulletin
Date (first filed Aug 2019)
Models530e, 530i, 540d, 540i, 640i, 740e, 740i, 740LI, 745e, 750i, 750LI, B7 ALPINA, M550i, M760i, X3, X4
Model years2016–2021
ChassisG01, F97, G02, G11, G12, G30, G31, G32, F06, F12, F13, F98
EnginesB46/B48, B47, B57, B58, N55, N63, N74, S58
Component (NHTSA)Electrical System
Electrical System › Software
Equipment
Equipment Adaptive/Mobility
Equipment › Appliance › Air Conditioner
Structure

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

  • SIB 01 21 18 Oil consumption service information Oil consumption service information on BMW E60/E70/E71/E72 and other models (2007–2018); BMW explains the cause and the approved repair. Service bulletin · Jun 2021
  • SIB 17 03 20 Coolant line leak Coolant line leak on BMW G01/G02/G05/G07 and other models (2018–2020); BMW gives an inspection and repair procedure. Service bulletin · May 2020
  • SIB 11 11 18 VANOS replacement VANOS replacement on BMW G11/G12 models (2016–2017); the fix is replacing the affected part. Service bulletin · Jan 2019
  • SIB 01 05 20 EGR cooler warranty extension EGR cooler warranty extension on B46/B48/B47/B58/N20/N47/N55/N57/N63 engines (2014–2018); BMW extended the warranty on this part for eligible cars. Warranty extension · Aug 2025
  • SIB 16 01 24 Engine no-start Engine no-start on BMW G05/G06/G07/G60 and other models (2023–2025); BMW repairs affected cars free under a service campaign. Service campaign · Nov 2025
  • SIB 01 16 24 Telematics unit warranty extension Telematics unit warranty extension on BMW G11/G12/G20/G30 and other models (2018–2020); BMW extended the warranty on this part for eligible cars. Warranty extension · Jan 2025

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.

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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.

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