BMW TSB #B510220
2020 BMW M340i
Affected Component: STRUCTURE
- Summary
- RATTLE NOISE FROM COWL TRIM: A rattle noise is present while driving from the cowl area under the windshield at temperatures below 50C°F. The rattle may be present from either or both sides (right and/or left). At temperatures below 50C°F the cowl panels below the windshield can contact the adjacent panels.