E39 Cold Weather Performance - BMW Forum - BimmerWerkz.com
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)

 
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#1 (permalink) Old 12-08-2004, 10:10 AM
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Great forum guys. I am new to it and I really appreciate all of the quality advice.

That being said I recently purchased a 1997 540iA - my first BMW. I have noticed that with the dropping tempuratures here in Minnesota the engine seems to have some performance issues until it warms up. By performance issues I mean a time delay from gas pedal to acceleration and what may be best described as intermittent acceleration delays in lower gears. Once the engine warms up, these problems no longer exist.

Does anyone know if this is a common problem to BMW's or a sympton of a larger issue? The only time I had this problem with another vehicle it was partially clogged fuel injectors and it happened more often than just cold weather.

Any input is greatly appreciated.
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#2 (permalink) Old 12-08-2004, 10:11 PM
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Quote:
Originally posted by MartyMoose@Dec 8 2004, 12:10 PM
Great forum guys. I am new to it and I really appreciate all of the quality advice.

That being said I recently purchased a 1997 540iA - my first BMW. I have noticed that with the dropping tempuratures here in Minnesota the engine seems to have some performance issues until it warms up. By performance issues I mean a time delay from gas pedal to acceleration and what may be best described as intermittent acceleration delays in lower gears. Once the engine warms up, these problems no longer exist.

Does anyone know if this is a common problem to BMW's or a sympton of a larger issue? The only time I had this problem with another vehicle it was partially clogged fuel injectors and it happened more often than just cold weather.

Any input is greatly appreciated.
[snapback]245799[/snapback]
Hi Marty. This is Cousin Eddie, and yes that's REAL tomato ketchup!!

Anyway, congrats on your new 540. Despite what you said about the quality advice on this forum, I have none to offer you regarding your question - I just couldn't resist replying to "Marty Moose". The only thing I can tell you is that you definitely have a throttle cable (a mechanical linkage ot the throttle). Beginning in 1999, the throttle became totally elctronic, drive-by-wire. So keep that in mind as you listen to (hopefully) more helpful diagnoses.

<span style='colorurple'>Eric S.</span>
2006 Honda Odyssey EXL-RES
2006 Honda Accord V6 EX-L Sedan
1999 BMW 540i 6-Speed (Sold to M3UOND on 9/21/06)
1991 Honda Civic Si - Occasional Beater
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#3 (permalink) Old 12-09-2004, 02:04 AM
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I know mine is drive-by-wire and it sucks.
Throttle response is slow compared to the cable.

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