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Old 11-06-2010, 11:54 PM   #1
2nd Gear Member
Join Date: May 2010
Location: Toronto
Posts: 54
Fixing DSC / Brake light - my experience

2004 325i 5-Speed Sedan

While driving a few days ago, DSC light came on, along with "Brake" light that turned Yellow. The car would also give a single beep 5 seconds after I start to drive it.

Took the car to Bimmer Sports. Paid $80+tax to have the codes read to me. (It took them literally 10 minutes to hook up the system and read the codes) I was told I need a steering angle sensor and to align the wheels. I asked for estimates and I was quoted $760+tax and that I would have to leave the car for two days.

Although I so badly wanted to have it fixed, I was not ready to shell out this kind of money, so I refused and walked out.

Since my steering wheel wasn't perfectly straight, I knew I had to get alignment at some point. Thought I'll give that a shot first. Got them aligned at a place called Limitless Auto in Scarborough. Paid $49.99+tax for 4-wheel alignment. Drove off, and lights were still on for about 20-30 minutes of driving. After that they went away themselves !

I was hoping that these well known places like Bimmer Sports have the experience and will do a better analysis than what they did for me. Reading error codes and just giving a blanket statement of changing parts that do not require changing, just because "thats what the code tells" them, doesn't earn them very happy customers.

I like the staff there, who is very friendly, but unfortunately I have not had a very good experience with them in last 3-4 times that I have visited them. Do your due diligence and get a second opinion before spending crazy amount of money. No matter how friendly they are, at the end of the day, these people are in business to make money.
syedali is offline   Reply With Quote
Old 11-08-2010, 09:54 AM   #2
6th Gear Member
Join Date: Dec 2008
Location: Canada
Posts: 1,367
does out of wheel alignment triggers dsc/brake light? i dont see the co-relation

I know DSC/brake lights wil come on when one does the car emission test and after driving for a bit, it disappeared.

or when you spin your wheels on gravel.
damameke is offline   Reply With Quote
Old 11-08-2010, 10:45 PM   #3
Join Date: Oct 2003
Location: Etobicoke, Ontario
Posts: 1,448
If the steering wheel is not straight while driving straight, the DSC and ABS lights CAN light up!!!

The steering angle senser MUST be withing a certain degree range when driving straight.. And if out of range the lights will appear.

The steering angle would be off if the wheel is not center while driving straight, if the car is really turning there would be a wheel speed difference between the left and right wheel, thats how the car knows its driving straight.

Its a bit complicated.

Eibach-Koni-Bilstein-H&R-Powerflex-KW Suspension-OEM Parts+ MORE
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Old 11-08-2010, 11:41 PM   #4
6th Gear Member
Join Date: Dec 2008
Location: Canada
Posts: 1,367
hmm thanks for the explanation Rocco...
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Old 11-09-2010, 09:41 PM   #5
2nd Gear Member
Join Date: May 2010
Location: Toronto
Posts: 54
Thanks Rocco !
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