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      08-30-2013, 11:10 PM   #1
Richbot
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DIY: Steering Angle Sensor fix cross-post from E90post

Got the hill start assist inactive, DSC inactive, and cruise inactive, and no auto-reset on the turn signals, happened intermittently and then permanently in the course of a few hot days. Apparently this is fault 94BE though I did not check codes I knew the symptoms would likely be the SZL . This is a ~$500 part so not a fun bill to pay if you don't have to, and not something you can just walk down to wally world and get either. So knowing this was a potential E90 issue, I went and found this:

http://www.e90post.com/forums/showthread.php?t=520467

and cleared it right up, all I did was clean the encoder disc, I did not resolder anything. Will report back if the issue returns.

I would note that you should cover your M trim with something, the coating is very soft and will scratch easily. Mine was wearing at the touch points anyway so now I'm definitely replacing it.

Funny, the car hit 50,000 miles this week, the BMW "out of warranty" doomsday timer must have run out. It's been out of warranty for about a year and this is the first issue (of many more to come, I'm sure) that has come up

Just a friendly FYI for those searching here but not the E90 forums, as this issue is common to all E9x chassis cars (crud on the encoder disc)
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Last edited by Richbot; 08-30-2013 at 11:16 PM.
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      08-31-2013, 10:49 AM   #2
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I had this problem. I did that fix. It cleared it up for about a month. Came back, and kept coming back.

I just swapped in a used on and re-coded it. No problems after 7 months.
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      09-01-2013, 06:48 PM   #3
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The E60 had a recall to replace the optical element that reads the steering angle from the disc. The parts look the same. I wonder if the repair kit would correct the E90 issues as well?
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      09-02-2013, 12:25 PM   #4
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Quote:
Originally Posted by Bmw135er View Post
The E60 had a recall to replace the optical element that reads the steering angle from the disc. The parts look the same. I wonder if the repair kit would correct the E90 issues as well?
I believe there is a PUMA measure on this for the E9x as well. But when parts are a week away and you want to use your cruise control, this is handy
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      11-29-2013, 08:58 AM   #5
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Quote:
Originally Posted by Richbot
Quote:
Originally Posted by Bmw135er View Post
The E60 had a recall to replace the optical element that reads the steering angle from the disc. The parts look the same. I wonder if the repair kit would correct the E90 issues as well?
I believe there is a PUMA measure on this for the E9x as well. But when parts are a week away and you want to use your cruise control, this is handy
No issues 4000 miles and 4 mo later
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      03-25-2016, 01:11 PM   #6
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DSC Module, SAS or ????

Sorry to drudge up an old thread but I need some help determining the root cause of some warning lights. I have a 2006 330i sedan, auto trans. I have the following warning lights illuminated: Stability Control, Yellow Handbrake light and Tire Pressure light. The ABS light is NOT illuminated. My cruise control is NOT functioning, it gives an error when I try to use. My wipers, turn signals and everything else on stalk and steering wheel work fine. Checked all fuses, none were bad. I replaced the right rear wheel speed sensor, did not fix issue. I removed the SAS unit and cleaned the code disk and optical sensor, did not fix issue. I hooked car up to INPA and DIS to recalibrate SAS but I get errors (one saying something about a wheel balancer and another saying it cannot communicate with DSC module). Thinking my DSC module died, I took car out in the snow and tested the ABS. The ABS works. The SAS and DSC modules are super expensive so I donít want to spend a ton of money on guesses. Has anyone had this issue and been able to successfully resolve? Thanks!
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      05-19-2016, 03:47 PM   #7
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Quote:
Originally Posted by TrakBch View Post
I had this problem. I did that fix. It cleared it up for about a month. Came back, and kept coming back.

I just swapped in a used on and re-coded it. No problems after 7 months.
Thanks to OP and you for sharing this information.

I cracked open my steering wheel, and unfortunately my encoder disc looked shiny and new, so I'll need to replace the part.

What did BMW charge to re-code it? Or did you manage to do it yourself somehow?
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      05-20-2016, 12:12 AM   #8
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Unhelpful for Dave, but it's been nearly 3 years since this thread was started and the issue has not returned for me.
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      05-22-2016, 10:17 PM   #9
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Quote:
Originally Posted by davesaddiction View Post
Thanks to OP and you for sharing this information.

I cracked open my steering wheel, and unfortunately my encoder disc looked shiny and new, so I'll need to replace the part.

What did BMW charge to re-code it? Or did you manage to do it yourself somehow?
I worked for a BMW dealership at the time. So cost to me was Zero.

If you go to a dealership expect the hour minimum. Depending on your car and the origin of the part coding the SZL can be 45 minutes or several hours. Mine took two. My car is a 2008 E92M3, and the donor part came from a 2013 E93M3.

A coder or if you have access to it yourself can do this. I know Mike Benvo @ BPMsport offered to do it for me remotely.
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      05-23-2016, 11:52 AM   #10
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Thanks for the reply - I've worked with Mike before, so I might just go that way.

Mine's an '08 E90.

Just to confirm, part # 61319123048, correct?
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