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Driveline, Engine & DME Tuning
Talk about driveline improvements, NA tuning and DME tuning your E46 BMW here. This includes diffs, intakes, exhausts, chips, software and OBD tuning. |
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#1 |
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Registered User
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p0300-p0306? help
is there anything specific to replace? I replaced all my coilpacks and plugs. The car still has issues randomly. It will missfire horribly for 5 mins or so then straighten out and not do it for a couple weeks. Please help, i dont want my wife stranded when it finally takes a big crap....
thank you in advance....the car is a 2003 325xi 5spd |
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#2 |
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Registered User
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what kind of plugs did you put in? How about what kind of coils did you put in? (hopefully you will say ngk 3199 plugs and bosch coils).... Are there any vacuum leaks? HTH
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