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|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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| Originally posted by scopefrfd@Apr 19 2005, 09:06 PM |
I have a 98' 540i 6spd, 79K, Dinan chip, cold air intake, & supersprint exhaust.
Coming home I went to accelerate onto the highway,the car hesitated slightly and seemed down on power.* I tried this repeatedly on the way home and there is a definite initial hic-cup when I put the pedal to the floor, full throttle....when I accelerate at say half throttle it is much smoother.*
When I started the car for the ride home, the car would start but then stall after a few secs (No trouble when I first started it in the am).* It did this a few times, until I started the car and rev it right from the get go, after a few rev's 4k or so it would hold an idle and steady but the car would not rev as quickly.* The engine was fully warm as I drove to a store (20 mile ride) and was going home, so the engine was warm.*
When I got home...I opened the hood and manually revved the engine and when I pushed on the throttle body cable lever..the engine definitely stumbled initially but then recovered.* It seemed to rev much better...a lfew small puffs of black smoke coming out the exhaust from some full throttle redline revs.*
Is there a way to test the MAF or clean the sensor or the cam position sensor????* I hate to buy a part that I do not need or doesn't solve my problem.
| Originally posted by scopefrfd@Apr 19 2005, 10:53 PM |
I do not know if any codes were triggered the check engine light never came on. But it is a good idea and I'll see if there were any codes set off.
| Originally posted by scopefrfd@Apr 20 2005, 09:37 PM |
Well, the I started the 540 today and the car seems to have all its power back. No hesitation, no stalling nothing. Very frustrating
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