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)
i have a 98 528i love the car but hate it to the problem i have with mine is it runs good then rough idle and acts like its going to die try to accel and it acts like it dont want to go any where to car foo and start it back up runs fine for awhile then runs rough again checked for codes had 305 cylinder #5 misfire but it is not cylinder #5 it is #4 i had this problem 3 yrs ago checked it over found the #4 injector wasnt working which is also caused by bad coil pack.now if a coil pack goes out it turns the injector off for the cylinder with bad coil pack.ive checked maf hooked up and diconnected runs the same rough idle.i have new plugs and a new coil pack on cylinder 5.im just wondering if the pcm is going bad or if by chance that #4 is bad to or if it something else i should look at if anybody has any suggestions please drop me a line
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