Airbox Flap does not open

[alexk]

Originally Posted by mick csl

Hi,
I'm Mick from Holland, I own a csl SG since february 2012.
The airbox flap does not open also.
I read a lot about the (potentiometer) but where can i find the potentiometer ?.
maybe anyone has a part number of the potentionmeter.

Best regards,
Mick

(Sorry for the bad english)

Here it is

http://bmwfans.info/parts/catalog/E4...r_duct_system/

Part number 4 -> 13 63 7 840 383