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| E46 General discussion and technical help for 1999-2004 3 series cars. |
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11-23-2007, 01:19 PM
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#1 |
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bad plugs
ok so i did the ohms test on coil packs all came out good put in new plugs and still fowled out #2 changed around coil pack still no diff any help |
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11-23-2007, 02:15 PM
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#2 |
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Did you check for voltage at the ignition wire? Physically inspect the ignition harness as well- there are many documented cases of wire chafing or breakage on E36/46 models. Plug is fowling? what does it look like?
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11-23-2007, 03:10 PM
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#3 |
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no wire chafe or breakage that is visable bye eye and wet gas really black puled wireing off while running #1,2,and4 made no diffrence so my next ? is what would run just those cyl i.e. sensor or mod |
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11-23-2007, 03:36 PM
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On the M50 engine, the ignition wiring leads to thinner wires located inside a long plastic box sitting above the fuel rail. Inside this is where the chafing or breakage occurs. Not sure if the wiring is the same for your M52 engine, I think it would be the same. You didn't answer whether you checked for voltage at the plug harness. Unburned fuel could mean a few things. Depending on your mileage, your fuel pressure regulator could be toast. Is the car losing power or stalling? Any smoke coming out of the rear pipes? If so, I wouldn't drive the car like that, or you'll damage the O2 sensors and/or the catalytic converter.
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11-23-2007, 03:59 PM
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no test on wires not the sparky type guy and this is my first bmw so i am try to learn as i go i can fix just about any other car so not afraid just dont got the right tester,s yet and not sure witch one to buy obd2 or bmw round
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drive it like you stole it!!!  !!!
Last edited by fabian; 11-23-2007 at 05:58 PM.. |
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