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Sedans BMW 5-Series BMW 5-Series Maintenance and Repair
2171 messages, Last post on Sep 03, 2008 at 10:00 AM
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Hi; I own a 2002 530. There is a problem with the cranck shaft sensor. Or so the computer says. The car runs fine and I have been told this code appear very often on BMW and driver just canīt notice any problem with the car. My question is, how can this happen?, It sounds pretty bad to loose info on the crankshaft positioning and yet the car runs fine...... One the repair is done should I expect better low end torque, better MPG or what? Thanks!
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Replying to: feroz (Apr 28, 2008 5:12 pm) Here's a YouTube video on these sensors with an obnoxious soundtrack, but it does tell you the different types of crankshaft sensors and how they work. I'm not sure which one your BMW uses but it's probably the most complicated one  Mr. Dull EngineerTalks About Crankshaft Sensors PS: Turn down your volume, this soundtrack is LOUD.
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My 1999 528i's alarm goes off nightly b/t 2:00-2:30 (I'm sure the time does not matter) no sign of foul play. Wondering- is the computer sending this bad signal or do the batteries in the key fob need to be replaced? I have secure parking while at the office, so I leave it unlocked during the day, but the alarm goes off when I lock it in other areas. We have on the street parking and we love this vehicle (with it's 232 G miles) but I know my neighbors want to put this car out of commission as much as I do. Thanks! Niki 
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Replying to: Mr_Shiftright (Apr 29, 2008 9:11 am)
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Replying to: feroz (Apr 29, 2008 3:06 pm)
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Replying to: Mr_Shiftright (Apr 29, 2008 5:14 pm) The techs told me that I'd probably experience a gradual decline in performance so I elected to replace it because I had partial warranty coverage. |
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I bought a 1988 JDM E34 535i with 146k Kilometres last year. After a head gasket and oil gasket, it's good to go...except someone broke in, and smashed the deck and center computer out of it, and cut through all of the wiring harnesses in the dash...  OKay, fine, wtvr, however the fuel gauge, temp gauge, speedo, odometer and tach don not function properly, the low fuel light does work however. The Speedo and tach function some times, and other times fluctuate wildy in comparison to actual road speed and engine speed...any clues? Also, at start up, the car makes a sound like that of a loud digital camera with a zoom lense...what is that? And lastly, it appears that there is 2 intakes on the vehicle...but only one air filter box, with the "other intake" piping into what appears to be some sort of belt driven contraption on the engine, w/out any filtration, if it were a super or turbo charger would that air not need to be filtered? or is that the exhaust charge piping being routed back into it? I really no little about this particular car as info is hard to come by, any suggestions would help
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Replying to: dukiedoug (Apr 21, 2008 7:27 am) 
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Replying to: bmwgal3 (May 04, 2008 1:47 pm) |
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My battery is completely dead and we are trying to figure out how to replace it...all we can find from the manual is that it is in the trunk...what next? Also, after reading some posts, it sounds like it might just need to be recharged..is it best to jump it with another car or to use a Battery Tender..if so, how do we do it? How long should an original battery last? I have not been driving it much and maybe have gradually drained it? Mileage is 63K. Please help!!
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