Erroneous electric fan function fault stored in the dme
BMW technical service bulletin B121619 for 2018-2020 BMW X3, 2017-2020 BMW 530I and 2016-2019 BMW 750LI and others.
- Bulletin number
- B121619
- Component
- Engine and engine cooling
- Summary
- ERRONEOUS ELECTRIC FAN FUNCTION FAULT STORED IN THE DME: The following faults may be erroneously stored in the Digital Motor Electronics (DME): Fault code: Control module: Fault code text: 1A2806 DME Electric fan function: limited operation 1A4007 DME Electric fan function: Operating mode implausible And: There is no customer-facing vehicle symptom(s) or related check control message displayed. A software error may cause these faults to be erroneously stored in the Digital Motor Electronics (DME).
Owners of these vehicles have filed 134 complaints in the engine category.
Vehicles covered
- BMW X3 2018-2020 201820192020
- BMW 530I 2017-2020 2017201820192020
- BMW 750LI 2016-2019 2016201720182019
- BMW 540I 2017-2020 2017201820192020
- BMW 750I 2018-2019 20182019
- BMW 740I 2017-2020 2017201820192020
- BMW X4 2019-2020 20192020
- BMW 530E 2018-2020 201820192020
- BMW 740LI 2016-2017 20162017
- BMW M550I 2017-2020 2017201820192020
- BMW 640I 2018-2020 201820192020
- BMW 540D 2018-2020 201820192020
- BMW 740E 2017-2019 201720182019
- BMW M760I 2017-2020 2017201820192020
- BMW B7 Alpina 2018-2020 201820192020
- BMW 745E 2020 2020
VIN decoder
See the problems and recalls for an exact car
Buying a used BMW X3?
Check the exact car before you pay: accidents, salvage or flood titles, odometer readings and previous owners.
Check its history