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2003 BMW 540i 4.4L Poor Idle Quality, Misfire
Posted to European Driveability on 7/25/2013 13 Replies

We have this BMW in our shop and its turning out to be a nightmare. It has a slight misfire at idle and as you increase the throttle the misfire gets worse and at times the idle starts to surge. Snap throttle under load it has a major misfire. I've cleared the...

13 Replies Received (View Replies)

  Related Documents & Media  2003 BMW 540i

 
Message Closed w/FIX

car Vehicle Data

2003 BMW 540i

VIN WBADN63443
Engine4.4 L / 8 cyl / GAS
Trans5-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality, Misfire
OccursUnder Load, Idle

Trouble Codes

50Misfire Cylinder 1
51Misfire Cylinder 5
53Misfire Cylinder 8
57Misfire Cylinder 2
62Misfire Several Cylinders
Message Closed w/FIX

car Vehicle Data

2003 BMW 540i

VIN WBADN63443
Engine4.4 L / 8 cyl / GAS
Trans5-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality, Misfire
OccursUnder Load, Idle

Trouble Codes

50Misfire Cylinder 1
51Misfire Cylinder 5
53Misfire Cylinder 8
57Misfire Cylinder 2
62Misfire Several Cylinders