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Found the SI B34 03 13 service bulletin on the BMW TIS entitled, "Incorrect Remaining Service Life from CBS Data for Brake pads".
It applies to E8x,E9X, F2X, F3X chassis ...
Situation: The yellow “Service Due” warning message lights up in the instrument cluster, even though the brake pad thickness is more than 4.2mm (above the thickness at which the pad sensor intervenes). The calculated remaining service life for the brake pads (front and/or rear axle) from the CBS data does not match the actual brake pad thickness.
The fix is a software update on the "Brake pad correction CBS conversion" module ...
After programming, the vehicle CBS data must be corrected.
In the diagnostic menu item “Front/rear brake”, select “Reset forecast to 50,000km” and then reset the forecast distance. In the diagnostic menu item “Front/rear brake”, select “Set availability, enter the brake pad thickness” and enter the pad thickness measured in mm. If the service counter increases after entering the actual brake pad thickness, the brake pad thickness must be entered once again. The service counter is now reset to the original value.
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2011 X3 35i with M pack + 2011 135i w/6SPMT | 255 square tire setup | Quaife 3.46 LSD | Diff lock down bracket | Bilstein B8+Swift SpecR springs+H&R FSB | CDV delete | BMS Oil Tstat bypass | ER FMIC & CP | N54Tuning DP | GC Street Camber Plates | M3 FCA +guide rods+RSFB's+Tranny mounts | Manzo toe arms | Cobb Stg2 agressive tune | Hawk DTC70 brake pads | RB SS brake pistons | Goodridge SS brake lines | Custom brake cooling ducts
Last edited by dcaron9999; 10-07-2015 at 12:49 PM..
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