BMW 640I 2012–2014 — technical service bulletin
Bulletin 520413 · NHTSA communication 10149602 · issued May 1, 2013
Technical service bulletin
communication type
Seats
component
2012–2014
model years
8
vehicle entries
Official summary
Front Seat Has Side-to-Side Play and Can Make Noises When Cornering. 4.Remove the front seat outer cover panel by pulling the trim forward from the retaining clips. The front seat (driver or/and passenger) has play to the left and right, and can make noises when cornering. CAUSE The front seat base cushion shell is deformed at the cross tube of the tilt adjustment.
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.