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BMW E21 3 Series 1975-1983 (320i/s, 323i) surging and lurching

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Last Post: Nov 21, 2010 1:27 PM Last Post By: UNDER THE PEPPE...

Posts: 6
Registered: 06/11/04
surging and lurching
Posted: Sep 9, 2004 4:13 PM
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1980 320i 1.8 - any advice on fixing this problem? Starts strong, then begins to lurch or surge and continues until engine is warmed up - then runs smooth for a while. If I turn engine off when warm it begins smooth and then begins to surge and lurch again - really hard to drive being thrown back and forth against the steering wheel and the seat. Oops - it also has begin to show black smoke a lot in the exhaust - thanks...

Posts: 2
Registered: 11/21/10
Re: surging and lurching
Posted: Nov 21, 2010 1:27 PM   in response to: zeke in response to: zeke
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I had the same problem with my 1983 320i, however, possibly not to your degree as I quickly resolved it. First I removed these $3 perfornance spark plug wire seperators from my spark plug wires that wre installed on the sires close to the distributor cap, This resolved the rough idle when engaging into gear at start up. Then I found my number one cyclyder spark plug wire itself and replaced them all which resolved the problem

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