how is the start stop function effected, if not effected i would lean more towards CAS unit as a common bmw fault link belowHi everyone,
I’ve got a 2014 F56 Cooper S Hardtop that is now out of warranty. Recently, I started getting an intermittent problem where the engine doesn’t spin over, accompanied by whooshing/whirring sound, followed by a starter/ignition fault. After a few attempts it starts. I’d say that it starts now about 3 times out of every 10! I suspect that the whooshing/whirring sound is the starter motor spinning but not engaged to the flywheel due to a sticking solenoid?
Does this diagnosis sound logical?
You can’t buy just a solenoid - and my Mini dealer wants $460 + $150 core charge for a complete starter.
Im finding used starters online that come with a 1 year warranty for $100 or less.
I’m seriously considering tearing apart my current solenoid and trying to fix it and if that doesn’t work, buying a used one.
Thoughts, opinions, suggestions?
BMW Control module Car Access (CAS)
as for starter faulty sometimes the slider on solenoid runs dry and gets covered in clutch dust might clean and be fine, if car around 80-100k i would just fit a refurb starter and have done with it as a pain to replace ie one lot of labour that way, BBA REMEN do refurb units and repair CAS units link below. top company
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