Quote:
Originally Posted by pieter4458
The error code you mention is the same as mine. If I am not mistaken then it sounds as if the pump is pumping against a resistance as it starts good but slows down just before it stops. The BMW technician who did the reset also suspect the pump.
How difficult is it to DIY the replacement of the pump ?
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Yes the compressor still pumps, however it is no longer within "tolerances" of spec for the computer, takes too long, etc, and throws the error and renders the air suspension useless.
It takes longer to take the spare tire out than it takes to replace the pump, one harness and one air line, and a few 8 or 10mm bolts on the "hump" as well to get it opened. If you go on Arnott Industries website they have instructions for replacement with photos.