2004 BMW 330 brake light sensor

Tiny
MYLAN2003
  • MEMBER
  • 2004 BMW 330
  • 6 CYL
  • 4WD
  • AUTOMATIC
  • 87,000 MILES
My back light (left & right) comes on and off and I replaced the bulbs but the warning light still comes up.

Need to know what I should do.

thank you.
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Wednesday, October 21st, 2009 AT 8:52 AM

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Tiny
DR. HAGERTY
  • EXPERT
This is a common problem. First thing to check is if there are any brass based bulbs, BMW cars do not tolerate them, use only the 21w silver base bulbs that come stock with the car. Second thing to check is to look for corrosion in the electrical connector at the tail lamp assemblies, in particular the brown wire which is the ground. There may also be heat damage to the plastic plug, a visual inspection will uncover this and if not too extreme, can be repaired without too much trouble. Let me know what you find, I will be standing by
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Wednesday, October 21st, 2009 AT 9:03 AM

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