I have been fighting my 2003 525i Sedan for weeks. As post title says I have a RED brake light, DSC light, and SEL. The DSC light is intermittent on 80% of the time, and always comes on when I get in a situation traction control should come on. I do not have the ABS light on and have never seen it. I also see the "check brake lining" message. I have cleared the code and brake light and they come right back. I have checked the brake pads and wear sensors including using volt meter and they check out and are working. I seem to have ABS (can feel it pumping upon hard braking, however still burned a bit of rubber). Traction control is not semingly working and its definitely not the DSC button. Everything else is working: speedo, cruise... Note the rear brake pads and sensor replaced around the start of issues but like I said I checked the sensor. I checked the pressure sensor on back of ABS and saw normal voltage also. I did notice the ABS module seems to have a weird pin looking thing that's shorter (see photo). When I check what codes the cars throwing I am seeing Pre Charging Pump (no other ABS related codes, however, there are a few codes for exhaust system). Going to check the tire speed sensor and try checking the pre charge pump today (however I've been told pre charge is almost never and issue and codes can be inaccurate). Really looking for some answers and insight. Need to get traction control working before winter.