318i brake sensor (and other sensors) - BMW Forum - BimmerWerkz.com
3-Series (E46, E90) Chat relating to the BMW 3-Series from 1999 to Current. Models include: BMW 316i, BMW 318i, BMW 318Ci, BMW 320i, BMW 323i, BMW 325i, BMW 330i, BMW 328 Ci, BMW 328i, BMW 325i/xi, BMW 330Ci, BMW 320d, BMW 330d, BMW 335d.

 
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#1 (permalink) Old 05-05-2004, 09:54 AM
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Hello,

I own a late '99 318i. Of late, the sensor panel has become a little temperamental.

- The handbrake light comes on when the handbrake is clearly not engaged
- The seatbelt light comes on when all seatbelts are connected
- The seatbelt light stays off when all seatbelts are disconnected (!!)
- The Stability Control light comes on when ASC it is not engaged

etc. etc..

Turns out that after driving for a while, these lights randomly return to "normal" - i.e. correct operation.

I am unwilling to believe that all sensors have konked out at the same time.

Also, now my brake sensor is on and it hasnt been turning off for a while - so I am not sure whether I need a brake pad change or whether it is another false alarm!

Any suggestions? is there a way to reset the computer / sensors and start afresh - much like a reboot??

Thanks!
Anurag Bajaj
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#2 (permalink) Old 05-05-2004, 11:16 AM
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well first i probably would start off by checking for fault codes with a scan tool. my opionion is i dont think all these "sensors" have gone bad. Brake sensors usually warn you if your pads are worn out look at your pads see how much pading is left once you do that change both pads and sensor. As for your other problems check around for any loose wiring or terminals. Or maybay your central computer is going out. these are just my opinions maybe someone else knows better.

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