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Old 02-27-2014, 12:09 PM   #1
jantzman777
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Can low brake fluid turn on red emer brake light and DSC light?

This has been happening to my 02 330i for about a month. Yesterday I topped off my brake fluid and it hasn't happened since. Was the fix really that simple?
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Old 02-27-2014, 12:16 PM   #2
hummer
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When you removed the cap to pour in fluid, you should have noticed a float attached to the cap. When fluid drops too low, it turns the light on just like the gas, coolant and windshield washer level sensors do.
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Old 02-27-2014, 12:16 PM   #3
thecos
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Probably. The red BRAKE light does go on if the fluid is low and the ABS system can't work without fluid.
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Old 02-27-2014, 12:23 PM   #4
jantzman777
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I had the codes read yesterday and it seemed to be a problem with the ABS module, but it still hasn't happened. The module is expensive so I'm hoping it was that simple. I just didnt know if it was that simple
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Old 02-27-2014, 12:38 PM   #5
shanneba
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From my 2003 coupe owners manual:

Indicator lamp
The brake warning lamp comes
on when the parking brake is
not engaged: the brake fluid
level is too low, refer to page 18.


Page 18: This is a "red" indicator light-

Brake warning lamp

If the lamp comes on when the
parking brake is not engaged:
check the brake fluid level. Before driving
further, be sure to comply with the
instructions on pages 110 and 123.
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Old 02-27-2014, 01:15 PM   #6
jantzman777
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Does it say anything about that in addition to the DSC light? Thanks so much for that info tho
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Old 02-27-2014, 01:17 PM   #7
shanneba
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It does also show info on the Brake and DSC lights.

Download an owners manual for your car here:
http://www.linquist.net/motorsports/bmw/3manuals/
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