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My 535 Surging at 90 kph or more
I have a 1989 535i that I have recently acquired and it has a few niggling
problems. The most annoying at the moment is that at speeds above approx 90 kph it feels like it is surging. Not so much as a miss but it feels it want to rev higher and thus surging. (Sorry it isn't a competition to see how many time I can say surging lol, but I cant think of a better term. Any ideas as to the possible causes?? Thanks Damien |
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#2
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My 535 Surging at 90 kph or more
On Sun, 14 May 2006 23:36:23 +1000, Damien wrote:
> I have a 1989 535i that I have recently acquired and it has a few niggling > problems. The most annoying at the moment is that at speeds above approx 90 > kph it feels like it is surging. Not so much as a miss but it feels it want > to rev higher and thus surging. (Sorry it isn't a competition to see how > many time I can say surging lol, but I cant think of a better term. Any > ideas as to the possible causes?? > Thanks > > Damien Assuming your intake manifold and head gasket seals are not degraded(vacuum leak), I would say timing chain. Here is a list of what you should be fixing and probably haven't yet: http://www.bmwe34.net/e34main/troubl...will_break.htm |
#3
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My 535 Surging at 90 kph or more
> I have a 1989 535i that I have recently acquired and it has a few niggling
> problems. The most annoying at the moment is that at speeds above approx 90 > kph it feels like it is surging. Not so much as a miss but it feels it want > to rev higher and thus surging. (Sorry it isn't a competition to see how > many time I can say surging lol, but I cant think of a better term. Any > ideas as to the possible causes?? Ours had a something similar due to a failing fuel pump. -- Who needs a life when you've got Unix? :-) Email: , John G.Burns B.Eng, Bonny Scotland Web : http://www.unixnerd.demon.co.uk - The Ultimate BMW Homepage! Need Sun or HP Unix kit? http://www.unixnerd.demon.co.uk/unix.html www.Strathspey.co.uk - Quality Binoculars at a Sensible price |
#4
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My 535 Surging at 90 kph or more
In article >,
John Burns > wrote: >> I have a 1989 535i that I have recently acquired and it has a few niggling >> problems. The most annoying at the moment is that at speeds above approx 90 >> kph it feels like it is surging. Not so much as a miss but it feels it want >> to rev higher and thus surging. (Sorry it isn't a competition to see how >> many time I can say surging lol, but I cant think of a better term. Any >> ideas as to the possible causes?? > >Ours had a something similar due to a failing fuel pump. I'll see you and raise you. Failed in-tank pump, failing rear pump. It endd up taking out the fuse contacts for the fuel pump fuse before Einstein here figured out what was going on. -- Need Mercedes parts? http://parts.mbz.org Richard Sexton | Mercedes stuff: http://mbz.org 1970 280SE, 72 280SE | Home pages: http://rs79.vrx.net 633CSi 250SE/C 300SD | http://aquaria.net http://killi.net |
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