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.
Just changed my plugs and a plug line - what gives here?!
Well, I just changed my plugs, the ones I took out looked ok, except for one - the number 1 cylender - it looked so disgusting and manky, looked as if it was full of black mud. I also changed my number 4 cylender plug lead, cause it had a hole in it. What could have made my number 1 cylender plug look so bad, and why would my number 4 have a hole in it?? Apparently they are still stock parts, but somehow I cant believe that, on a 20 year old car!! 325i, 1989.
Sorry to say, to check for injector leak down with out the actual injector tester, is to remove the injector rail. Once out reconnect the fuel lines (make sure that all the injector retainers are inplace) then repressurize the rail by cranking a few times (don't worrie it won't start) stand by and watch for dripping injectors.
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