Occasional Stall Or Surge - 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 04-04-2005, 04:59 PM
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You guys have helped me before and hopefully you can help me again. We are experiences an infrequent stall and twice have experienced a surge. The stall occurs only at idle. Never at higher RPM - only at idle. It has occurred when coming to a stop and at least once when first pulling out of the garage. No RPM fluctuation just dies. The surge occurred just recently when again at idle a small 1000 RPM surge happened. I haven't experienced that before in this car but the wife who drives its daily had it happen once before.

The particulars....97K miles on 2000 540IA. Always serviced when the interval lights indicate. The Service Engine light occasionally comes on but goes out before we can get it to the dealer.

Any ideas?
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#2 (permalink) Old 04-04-2005, 10:47 PM
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Replace the MAF (Mass Airflow Sensor) mine (99 540IA) and others have had the same problems.

Nick
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#3 (permalink) Old 04-05-2005, 02:51 PM
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Wow. I'm having the same problem. I just purchased a Certified/Pre-Owned 2000 528i at 59k miles about three weeks ago. Noticed it when I test drove it. Made a note to the salesperson. She is excellent by the way. She sold the car when it was new and took care of the owner everytime there was a maintenance to be done. THe car had detailed maintenance records. Car looked like it had hardly been used. No wear and tear on the interior or exterior at all. Anyway, when I first turn the car on, it sits at 750RPMs. Then after three minutes, the RPMs dip to 500 and the engines shakes as if it's about to stall. Then it "recovers." But ten seconds later, it dips back down to 500RPMs again, almost stalls, then recovers. It does this every ten seconds. But after I drive it for a while and sit at a red light or whatever, it runs smoothly. I sent the salseperson an email and they are going to take care of it. It's still under warrenty which is cool.

If you're in the DC area and would like a real nice salseperson to talk to about a new or used car, ask for Nan Wong. Nicest salesperson I ever met and will bend over backwards for you. She's been there for 13 years. I guess that says something about her service.
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#4 (permalink) Old 04-05-2005, 02:52 PM
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Ooops. Forgot to give the name of the dealership. That's Nan Wong at VOB BMW in Rockville, MD. Very nice lady. I recommend her to anyone looking to purchase a BMW.
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#5 (permalink) Old 04-07-2005, 09:41 AM
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Thumbs down

Now the wife is reporting a intermittant "pulsing" of the engine RPM. It will be steady for about 30 seconds "at the line" and then pulse to a higher RPM for about 5-10 seconds and drop back down to normal. Her term "at the line" is the gradation line on the tach where the needle normally points. Does this help diagnose the issue?
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