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|2003 BMW 540i 4.4L Poor Idle Quality, Misfire VIN: WBADN63443
Sorry for the delayed closing. We had determined that the drivability issues were being caused by water entering the intake and getting onto the M.A.F sensor. The car only ran poorly after a touch less tunnel wash at the local Esso car wash. Thanks for all the... Trouble codes: 62 (Misfire Several Cylinders), 50 (Misfire Cylinder 1), 51 (Misfire Cylinder 5), 57 (Misfire Cylinder 2), 53 (Misfire Cylinder 8).