Thank you as always dpaul, for your input. I sorted the 2A19, turned out the valve behind the throttle body was unplugged from the engine swap. I have yet to clear codes and see what happens. Perhaps I will pull the ECU connectors and re-insert them.
Do you have any info about how to identify the location of the BSD bus component connections?
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2008 335i 6MT FBO
2009 Tacoma TRD Sport
A whole quiver of motorcycles, dirt and street, vintage and modern
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