BMW X3 2011–2017 — technical service bulletin
Bulletin B641019 · NHTSA communication 10169471 · issued Nov 1, 2019
Technical service bulletin
communication type
Electrical System
component
2011–2017
model years
10
vehicle entries
Official summary
SERVICE ACTION: OPTIMIZING THE WATER DRAIN. The water drain in the engine compartment's passenger side cowl near the firewall may be inadequate during exceptionally high water volumes. Water can accumulate and not drain out quickly enough. This can result in various Check Control messages and the failure of various systems such as: Park Distance Control (PDC) Dynamic Stability Control (DSC) Windshield washer This may be caused by one or more parts: Lack of a cowl drainage shaft cover Lid on the ventilation microfilter housing lacks water drainage channels (only on vehicles prior to July 2013 p
Vehicles covered
What a TSB means. Technical service bulletins are repair guidance manufacturers send to dealers — they are not recalls, and repairs are not automatically free (warranty extensions are an exception worth checking). The full document is available via NHTSA’s vehicle lookup.