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· Investigative Tinkerer
5,035 Posts
Drive by wire; should be a servo-motor on the throttle body (at on least USA versions).

Was the replacement engine an exact same year replacement, or just another generic BMW engine?

· Registered
2 Posts
Discussion Starter · #3 ·
No go Z3

many thanks,
same year engine but from a 520i saloon,
also kept original inlet manifold and loom.
I have re-connected the loom(s) a couple of times to verify connections but can't get fuel to pump.
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