paddy wright said:Is the backrest leaning against the rear of the car?
DMike said:I’ve cured at least three types of squeaks on my electric m-sport seats:
Seat lowered all the eay down can cause squaks (lift up just a tiny amount),
seat base joints can squeak (seat out and lube with lithium grease), and
bolster leather came loose (just tuck it back).
( https://www.z4-forum.com/forum/viewtopic.php?t=137829).