Ib brake-by-wire system - preflight check.
BMW technical service bulletin B340419 for 2019 BMW X5, 2019 BMW X7 and 2019 BMW M850I.
- Bulletin number
- B340419
- Component
- Service brakes
- Summary
- IB BRAKE-BY-WIRE SYSTEM - PREFLIGHT CHECK. When starting a vehicle or driving off customers may complain of "no brake assist" or "hard brake pedal". Additionally some brake warning lights may illuminate in the instrument cluster (aka Kombi).
Owners of these vehicles have filed 16 complaints in the brakes category.
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