Bimmer dashboard lights help
#1
Hi! So for the third time this week my Bimmer's dashboard lit up like a christmas tree half way through my drive. After an hour of driving on 81 the DSC light came on and the BRAKE light comes on. I turn the car off and it goes away. Then it comes back in an hour. 81 was bone dry. Not sure what the problem could be. I have a 2001 325i. Advice??? :dunno:

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~Natalie

2006 BMW 330xi
RIP---2001 BMW 325i Sport
2005 Honda CR125
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#2
Check the brake fluid level and make sure it's at the Max line.

Past that, you may have a dirty or broken wheel speed sensor, or the DSC module under the hood could be going bad. Given how nasty the weather has been, I would probably guess the wheel speed sensor. You'll have to jack it up and remove the wheels to get at the sensors (one on each corner I believe) but they can be cleaned.
Now:
'16 Ram 1500 | '97 BMW M3 | Some Press Loan

Then:
87 BMW 325e | 91 BMW 535i | 96 BMW 328i | 95 BMW 325i | 95 Mazda Miata | 13 Focus ST | 09 BMW 128i | 00 Pontiac Firebird | 05 Yukon Denali | 96 BMW 328iC | 11 Ford F-150 | 06 BMW M3 | 10 Range Rover SC | '03 Ford Ranger | '18 Ford F-150 | '01 BMW X5 | '98 Volvo S70 T5M
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#3
There are a ton of things in that system it could be, although it seems like it usually ends up being one of the wheel speed sensors. The E38/9 4.4Ls are the only ones I know of that really eat the module because they installed it 4" above the exhaust manifold.

Check the brake fluid level and your tire pressure, you might be able to see if the wheel speed sensors are working by trying to use the cruise when the lights come on. If those don't work, go get the codes read and see if it's stored anything permanent to save you from trying to find a needle in a haystack.
Now: 07 Porsche Cayman S | 18 VW Tiguan

Then: 18 VW GTI Autobahn | 95 BMW M3 | 15 VW GTI SE | 12 Kia Optima SX | 2009 VW GTI | 00 BMW 540i Sport | 90 Mazda Miata | 94 Yamaha FZR600R | 1993 Suzuki GS500E | 2003 BMW 325i | 95 Saab 900S




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#4
Be careful adding the brake fluid though, if your pads are worn and you fill it all the way up, you'll overfill it when you reset the pistons.
Current:
2011 F150 Platinum | 1995 BMW 325i 1983 BMW 320i  The MMoped | 2008 BMW 128i
Past:
1996 Toyota Tacoma: | 1992 Mazda Miata | 2002 BMW 325i |
2003 Toyota Tacoma | 1995 Miata M Edition | 1997 Subaru Outback |
1992 Mazda Miata | 1990 BMW 325i  | 2007 Toyota 4Runner | 
1995 Ford Windstar 1987 BMW 325i | 1987 BMW 325 | 1990 BMW 325i Vert |
2018 VW GTI | 1990 Mazda Miata | 
1989 BMW 325i Vert 2015 Fiesta ST | 1983 BMW 320i parts car
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#5
resolved? You didn't also get the "EML" light did you? That's what ours was doing....
The only thing that stops a bad guy with a van is a good guy with a van
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