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Discussion Starter · #1 ·
Hello guy i have 1987 325e, the car starts fine and accelerate fine, but after a few min when its worm, the engine changes the sound and starts throwing black smoke, which i thing its too much fuel getting in the engine,,,,,,, because when i floor the car starts spitting and throwing fire, but when its cold u can floor the damn thing with no problem, only after like 4 min of running on min RPM starts doing this, any help plz.?

Changed
AFM
coolant sensor
Disrb/cap
timing belt
spark plugs/ wires
crank position sensors/ 3
ECU
cleaned fuel injectors/ filter
today ive cut the muffler now i have stright pip and still doing the same thing
any help plz. ive been restoring this car for 7 months and im about to cut the damn thing for parts really sick of it
 

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Sounds like you have a problem with ignition timing, does the distributor have a vacuum advance? If so check it's working correctly, as it's sounds like it's retarded too much
 
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