Codes: 28A0 2BC0 2BEA 28A0 After first reset 28A0 & 2BC0 returned each time immediately after a reset without the engine running.
And so began the journey and another three - four weeks lay up for the 654 miles old rebuilt engine. First I had my indy check the complete induction circuit and while he was there change the charge pipe for a billet type also swapped the MAP & MAF for new FCP supplied parts.
Light was reset and took a few minutes to return. I did a web search, contacted my buddy the broker who has a lot of repair experience and also contacted AndrewW on the board. Broker suggested checking fuses in the engine compartment as he had had a blown purge tank fuse cause the same codes. Fuses good. Andrew pointed my to a tech board and they were suggesting change out the turbo electric blow-off valve and reset the purge valve.
I grabbed a blow-off valve and a tank purge valve and had those replaced. Light went off and, so far, has stayed off but it is early days yet. (40 - 50 miles driven.)
Now on to replacing the steering in-our adjust motor in Der Adler! That is a whole other story.

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2021 X5 xDrive40i
2015 X5 xDrive35i MSport
(Traded) 2013 X5 xDrive35i