'02 530i False "Check Brake Linings" Msg
Okay Rocket Scientists I need some of your mojo!
Last year I replaced all the brake pads, rotors, and sensors for about $400.00 (cuz the dealer wanted $1,100.00). Used factory parts from Bavarian Auto. All good. No issues.
I was incredibly careful during the install - it's possible I dorked something, but everything went perfectly and I feel very comfortable now that install was clean. I want to mention the install because even though there was considerable delay from possible cause to effect, it answers the question "what changed"? But as time goes on I think I simply have a new problem.
This spring, the "Check Brake Linings" message appeared. Took it to the local dealer I hate the least. Said the rear sensor tripped, found nothing else, reset code, sent me packing.
3 months later, message again. This time they said it was front sensor tripped, but could subsequently find nothing, and they reset the code again.
Last week, 3rd occurrence. This time, I didn't go to the dealer and thought I'd check elsewhere first.
I did ask about resetting the message since brakes are clearly not failing, while I try to properly diagnose this. They told me hold left dash button, turn key one click, wait until message appears and then disappears, and that will reset it. This seems to work temporarily but now the message is occurring more frequently. Maybe I've reached the actual fail point of the root cause?
1) What is likely root cause?
2) The message that appears during the reset sequence changes. This was unexpected on my part. The latest one says "RESET SIA: 1870 1". The numbers change from time to time. I want to ask why they are changing, but I think I will get the answer to that, if I ask a better question: "Where can I find a list of ALL these SIA Codes?"
Appreciate any thoughts from the Teeming Masses...