5-Series (E12,E28, E34, E39, E60)Chat relating to the BMW 5-Series of all generations. Specific models include: BMW 518, BMW 520, BMW 520i, BMW 530i, BMW 528i, BMW 530i, BMW 518i, BMW 524d, BMW 525i, BMW 525e, BMW 528e, BMW 540i, BMW 535i, BMW 520d, BMW 525td, BMW 525d, BMW 530d, BMW 525i/xi, BMW 530i/xi. (BMW 5-Series Forum)
Hello i have put this on another post of mine but i thought it would be better on its own.
when i push the throttle down pretty hard and fast it misses and backfires like it is running on 5 or something then when it gets to 3k rpm it is ok
Also if i slowly press the accelerator about 30% of the way down it is ok and does not miss or backfire
i have changed the plugs, o2 sensor, new fuel filter and had code reader on it and nothing on the code reader except 0000
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