Battery drain
I think I may have discovered part of the problem.
The standard Z3 for a 3.0 is 80ah with 800a cold crank. The previous owner put in what he described as a "beefy" (well, it says "Premium" on the label), 72ah with 650a cold crank.
I have no idea what all that lot means, except it looks like the battery is not powerful enough. Am I on to something?
I've got some warning lights come up again and suspect something amiss with the brake system, so have it booked into an indy for the end of the month. I'll get them to check the alternator and investigate any error codes at the same time. Electrickery does my head in.
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