BMW TSB #B610220
2019 BMW X4
Affected Component: BACK OVER PREVENTION
- Summary
- KNOCKING NOISE FROM WASHER FLUID RESERVOIR: When driving over uneven pavement or cobblestones a knocking noise is present from the passenger side front area (A pillar). Once the vehicle is driven on a flat even surface; the noise is no longer present. CAUSE Washer fluid reservoir movement caused by mounting bracket clearance.