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'm new to the forum. So Hello all. I recently bought a used 1999 BMW 528i.I'm first time Bimmer owner, and this car is my 3rd vehicle. It has 69k miles on it. I've been experiencing a few problems with it lately that are concerning me. I'm going to have it hooked up to a diagnostic comp. I just wanted to get an idea of what it may be. When I press on the gas pedal (doesn't happen all the time) the rpm's go up as normal but it doesn't accelerate as normal. Then it will speed up on it's own after a few seconds. It also has been dying at stoplights. The car doesn't shut down, it just doesn't respond when I press on the gas pedal. I do know that the gas cap sensor isn't working. No hazard lights come on. Tranny isn't missing any gears....to say the least I'm a little perplexed??? any suggestion would be fantastic..
It is an automatic. I was hoping it wouldn't be the tranny.. I've ran it through all the gears.. and there's no hesitation when going into the gears. Man... *sighs* The tranny slipping is what I was afraid of..
See it's not slamming into gear.. it's gradually speeds up.. it seems like it's not getting enough fire... My Camaro I had when I was teenager had tranny problems.. the rpm's would go up and it would slam into gear.. With my bimmer i press on the gas (even if my foot is on the floor) only goes like 20 miles per hr.. then it gradually speeds up.. My b/f thinks it maybe some sort of sensor.. regardless I need to get it checked out.. I hope I don't have to sell it.. I've only had it for 2 months and now I'm officially Bimmer spoiled.. The guy I bought it from was a mechanic.. he let me put it up on the lift and look under neath of it and everything.. The tranny was just replaced about 2 yrs. ago.. It's had 2 owners and on average was only drove about 6,000 miles per yr..
I recently had a similar problem. not stalling but idleing very rough then on accelaration seemed to flatten out. Ended up being a vac. leak at the crankcase vent valve, Replaced and solved my problems. Mine is a 1998 528 with I6
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