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Category: BMW,Car Builds,E46

The electronic complexity that lies beneath my car’s tattered metal has plagued and taunted me since I started drifting it. After a bigger headache than I ever thought possible with this car, I was FINALLY able to completely, 110% without a doubt disable the ABS/DSC without throwing the car into limp-mode. BUT HOW?!

Fully Disable ABS and DSC in an E46 BMW, 323i, 323Ci, 325i, 325Ci, 328i, 328Ci, 330i, 330Ci

I pulled one teeny tiny li’l wheel speed sensor from the rear of the car. That’s it. I’ve been told that pulling all four sensors works on E36 cars, but the E46 models have a stricter set of electronics, so when the car doesn’t get a speed reading, it declares that as a problem worthy of limp-mode. I encountered the same issue when I pulled both of the rear sensors (leaving the fronts). The trick here, is to only pull one. That way the car still pulls a reading from the other side, and just registers the pulled sensor as a fault… keeping the car revving like a champ.I did hours and hours of research on this subject, and found many people asking how to fully disable ABS/DSC, but never got a straight answer on how to do it. People seemed more content ridiculing those asking the question than pondering a useful solution. Hopefully this trick will help those that need to disable it, but keep in mind – I am not liable for any action taken based on this post. I needed to do this for my track car, and I would not recommend this for ANY street car. In fact, if I could have kept ABS functioning, and still keep use of my hydraulic e-brake, I would have done so. ABS has saved my ass quite a few times – even on the track.This effectively closes the chapter on my lengthy saga on this subject. I can now use my hydraulic e-brake free and clear of limp-mode. The e-brake works AMAZING. It will take some acclimation to driving without ABS, but I’m sure I will get used to it.

One thing is for sure… I can’t wait to use this e-brake at Road Atlanta in the spring!

14 comments

14 Comments so far

  1. Collin K. December 6th, 2009 2:42 am

    Take THAT HAL 9000!

  2. Andy Sapp December 6th, 2009 4:13 pm

    One more thing! I have, have, HAVE TO THANK FOERST MOTORWERKS. Matt was the one that made the suggestion to pull just one sensor… so without Matt, I would still be crying myself to sleep every night at the thought of not being able to use my e-brake!

    THANKS MATT!!!

  3. Mischif December 6th, 2009 11:54 pm

    Can’t wait for FD2010.2!

    BYAAHHHHHHHHH!!!!

  4. RBZ32 December 7th, 2009 3:42 pm

    Wow… wish I could figure out how to do this on my Z32

  5. alexte46 @ e46fanatices January 8th, 2010 3:51 am

    on my bmw a 01 325i if u hold the DSC button for more then 5 sec the regular DSC light goes one then BRAKE light will turn on in orange. what diff do u use the stock one? and love to see that your drifing in a bmw that what i want to get in to.

  6. alexte46 @ e46fanatices January 8th, 2010 3:55 am

    o fergot to mention that holding the DSC button will fully disable the DSC idk about the ABS thogh i could do doghnuts but i still have an open diff so only 1 wheel spins

  7. Andy Sapp January 8th, 2010 5:53 am

    Yes, holding the DSC button until the brake light comes on will fully disable DSC, but it will not disable ABS, which was the major issue for me.
    :)

  8. Mischif January 18th, 2010 2:27 am

    Can't wait for FD2010.2!

    BYAAHHHHHHHHH!!!!

  9. Martin Hnídek June 7th, 2011 6:40 pm

    Hi… I unpluged this sensor, but it cause another new problem… when I step on brake, fuel pedal doesnt work.. it worked before…. Do U have the same problem?…  Martin

  10. Andy Sapp June 16th, 2011 7:02 pm

     DEFINITELY never had that problem.  That doesn’t seem right at all.  Maybe something is shorting out somewhere?

  11. Andy Sapp June 16th, 2011 7:02 pm

     DEFINITELY never had that problem.  That doesn’t seem right at all.  Maybe something is shorting out somewhere?

  12. Martin Hnídek August 29th, 2011 10:35 am

    it is allright now after a diagnostics… dont know what was it, but now is ok… mystery maybe.. ;-)

  13. BrownGhost April 1st, 2015 6:27 pm

    I know this is an old post, but needs a followup..

    M3, disconnect
    front RIGHT sensor only, Wala, DSC and ABS, and traction control off..
    but still full power full rpm, and speedo works..

    EASY :) took me a day of testing to get it figured out..
    Pulling REAR SENSOR = NO SPEEDO :(

    Wanted to share… for others that find this here post when searching..

  14. E46driftss May 15th, 2017 8:59 am

    Would installing a new ECU eg Megasquirt solve this while still keep the ABS as mine is a daily/Street drifter?

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