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)
A check engine light recently came on in my dash. I had my mechanic service the car, and plug his reader into the OBD system. Apparently, the fault code reads: "TC fault, torque converter lock up". My transmission shifts smoothly in all 4 speeds, and I get around 32 MPG on the highway. The RMS's however are in the 2000 range at 60 MPH, but that seems to be normal, according to several posts on this site. Anyone have any insight to the problem? Thanks. JM>
Without your own code reader, it's impossible to say whether that's mechanic's bullshit or a real problem. A codereader usually runs about 120-140 bucks... and is part of the two best items you will ever purchase for your car.
1. Bentley Manual - 50 bucks, will save you thousands.
2. Codereader - 120 bucks, will save you hours.
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