Under certain engine operating conditions the measured air mass between the cylinder banks 1-4 and 5-8 is...
BMW technical service bulletin B120116 for 2014-2017 BMW X5 and 2015-2017 BMW X6.
- Bulletin number
- B120116
- Component
- Electrical system
- Summary
- Under certain engine operating conditions the measured air mass between the cylinder banks 1-4 and 5-8 is miscalculated by the DME's. This could result in incorrect engine torque and mismatched ignition parameters with the possibility of internal engine damage.
Owners of these vehicles have filed 70 complaints in the electrical category.
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