'05 530i Engine Hesitation at approx 3K rpm? - BMW Forum - BimmerWerkz.com
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#1 (permalink) Old 03-21-2009, 08:51 AM
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'05 530i Engine Hesitation at approx 3K rpm?

I have had car for a year (used CPO)- it runs great.
It has 45Kmi, never any probs. Just noticed that at approx 3000 to 4000 rpm (if running DS mode or Manual mode) if feel a slight hesitation as the car continues to accelerate. It really is minor as the car performs extremely well.
It is still under full warranty. Should I have them check something specific?
Thanks in advance.
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#2 (permalink) Old 03-21-2009, 11:17 AM
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thats right about when vanos should kick in, so you may mention that to them, does it seem like then engine is bogging for a little bit or does it seem like the transmission is slipping?
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#3 (permalink) Old 03-22-2009, 08:27 AM
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Thanks for responding. Does not seem like transmission, just minor engine bog. Maybe I am too picky, I don't often drive in sports mode or manual - but it is fun sometimes to push a little. Car is awsome even after a year and 17K miles!
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#4 (permalink) Old 04-03-2009, 10:46 PM
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Might be worth getting the petrol pump looked at, but only if its doing it when your pushing a bit harder which is y Im guessing its in Sports mode, had the same problem on a 93 525 and was the fuel pump. But obviously your ones a lot newer and alot less k's.
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#5 (permalink) Old 04-03-2009, 11:05 PM
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Happens on 330s sometimes as well. Can be the fuel pump, especially if you let the tank go under 1/4 tank often (weakness in these 3.0 M54s). Also, since you are under warranty, check with the dealer for any firmware updates.

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#6 (permalink) Old 04-11-2009, 09:02 AM
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Thanks for recommendation. Will do.
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