cranks a ton before it starts when its cold, idles great till it gets a bit warmer (probably above 40*c) then it runs like trash again

if I hot start it, it'll crank and fire right up but it dies in a second or two unless I press on the gas pedal a little bit, after 5 seconds of that, it will idle, but really rough.

when the motor is at operating temp, the car barely runs in drive below 1,500rpm

haven't had time to pull the plugs yet, still working on finding a socket thats the right size.

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1992 850i 6 speed
1991 M3 S54B32 swap
2007 328iT/6 RWD sport wagon
1987 325E 330iZHP engine swap
2004 Vespa 200GT
1976 W115 240D getting a much bigger engine. 5.5L
1997 R129 SL600 5AT