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3-Series (E21, E30)Chat relating to the BMW 3-Series from 1975-1983 and 1984-1991 line. Specific models: BMW 315, BMW 316, BMW 318, BMW 318i, BMW 320/4, BMW 320i, BMW 320/6, BMW 323i, BMW 320i. E30 Family models include: BMW 325e, BMW 325i, BMW 325is, BMW 325ix.
Hey people. This is my situation. Have just finnished performing an engine swap on my 87 325is and it is running really rough, also every time I try to give it some gas the engine stuters and then soon after stops running. I have replaced all fuses/relays, Ignition coils and spark plugs and have had the high tension wires for the spark plugs tested. I have spent my whole summer working on this car and I feel very down that the thing did not just fire right up. Could be fule related? i dont know. If any one has any information or knowlege on my perdicament, it would be greatly appreciated.
well heres my rule of thumb...the 4 strokes are suck, squish, bang, blow...the important things to check and fuel compression oxygen and spark...spark is obviously good...i would check something in the line of making sure you dont have a vaccum issue and make sure shes getting fuel...other thing to consider is the timing belt/chain may be off a notch or two...seem to recal someone having that issue before..and check your timing
maybe it has something to do with the injectors...or the fuel injection system? hm...ill post later bout this
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"Drag racing a BMW is like going fishing with a hooker, it's fun but it's not what you got her for..." - M3DUDE
Manual - The transmission hated by moms/wives/girlfriends everywhere...
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Originally posted by Slvr E30iS@Aug 25 2004, 03:58 AM maybe it has something to do with the injectors...or the fuel injection system? hm...ill post later bout this
yes that really sounds like what the prob is, cuz if its boggy in low gear...u kno
__________________
^^I want this where I live.
"Drag racing a BMW is like going fishing with a hooker, it's fun but it's not what you got her for..." - M3DUDE
Manual - The transmission hated by moms/wives/girlfriends everywhere...
Member of the "I Owned my Bimmer when I was 17" Club
Member of the "10 Year Old" Club
Member of the "3 Pedal" Club
Member of the "3 Light" Club
Thank You all very much for the replies. My timing and valve lash are both tip top. But, how would i go about to check a vacume issue?? Do i need to borrow any equipment from a friend or do you wonderful people from this forums have any suggestions? Once agian thanks for eveyones help thus far.
vaccuum is your worst nightmare haha...you have to kinda listen for it and feelfor it...there isnt much else you can do...you may want to check her in to a mechanic...
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well heres my rule of thumb...the 4 strokes are suck, squish, bang, blow...the important things to check and fuel compression oxygen and spark...spark is obviously good...i would check something in the line of making sure you dont have a vaccum issue and make sure shes getting fuel...other thing to consider is the timing belt/chain may be off a notch or two...seem to recal someone having that issue before..and check your timing 
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