Sputtering issue in my '87 e30 - BMW Forum - BimmerWerkz.com
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.

 
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#1 (permalink) Old 05-21-2008, 08:58 PM
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Sputtering issue in my '87 e30

Hello all!
Quick question for for all of you BMW Masters..
I just got this car and went through it, since it wasn't serviced in a looong time..
Replaced: oil, plugs (Bosch platinums); wires & cap/rotor (good ones), air/fuel filters.
Problem is it is now a little slow on starting and it hesitates from the stop.
It was running better with all of the corroded crap on it!!
Once up to speed it is fine..
Should I have put in copper core plugs?
Any advice would be greatly appreciated..
Thanks
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#2 (permalink) Old 05-21-2008, 09:12 PM
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Oh, I also replaced the O2 sensor... and the fuel pump relay...
Thanks....
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#3 (permalink) Old 05-21-2008, 09:17 PM
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You may have gotten the timing off a bit if the dizzy was loose at all or if you loosened the wrong bolts... Also... check the connector to the AFM on the air box... could be corroded or you could have ripped teh bellowed intake hose when replacing the air filter... that is a very common problem if it has been sitting alot... they dry rot... check for that first. If the engine is getting air in after the afm it will run very lean.
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#4 (permalink) Old 05-22-2008, 01:47 PM
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my mechanic, an actual german master technician with 30 years experience, told me only use silver plugs. Bosch. so i'd say check air to fuel mix ratio or check plugs first!!!
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#5 (permalink) Old 05-22-2008, 02:47 PM
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Thanks for your replies!!
One question, what the he*% is a "dizzy"?
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#6 (permalink) Old 05-25-2008, 07:22 PM
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Dizzy = Distributor.
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#7 (permalink) Old 05-26-2008, 03:16 AM
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Lol Check for vacuum leaks Check you intake boot to they crack quite often... replace mine twice on my 325ES....

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I am Captain Obvious
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#8 (permalink) Old 05-26-2008, 01:13 PM
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Thanks for your help!!
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