hardly worth mentioning
Crashes / Fires:
0 / 0
Injuries / Deaths:
0 / 0
Average Mileage:
96,000 miles

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2003 BMW 530 miscellaneous problems

miscellaneous problem

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2003 BMW 530 Owner Comments

problem #1

Jan 142015


  • 96,000 miles


At 96,000 miles the check light illuminated. Diagnosis was P0741 (BMW code 48) which is a fault with the torque converter clutch (tcc). This failure until corrected results in lower fuel mileage, and a guaranteed failure to pass the emissions test during state mandated vehicle inspections. Add to this that continued use of the vehicle will likely result in transmission damage since the tcc lockup clutch is slipping resulting in debris building up in the fluid. This fault is due to a defective torque converter clutch seal that BMW has a hidden service bulletin on. See si 24 03 06 dated February 2008. Replacement of the torque converter is expensive. BMW dealer quoted a bit more than $3000 for the replacement. I've since determined though a BMW forum that this issue is widespread with a large number of failures taking place. I was told by the dealer that the seal in question has not been updated and that failure of the seal will likely take place again in the future.

- Fullerton, CA, USA

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