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  1. ABS and Traction Control lights on always

    General E46 Forum
    Hey everyone, I have a 99 328i that’s throwing abs/traction lights at all times. Problem started intermittently and then turned into them being on as soon as i start the car every time. I put aftermarket wheel speed sensors in which just caused the brake light to come on as well, decided to...
  2. How to Diagnose 'Trifecta Lights'

    General E46 Forum
    BMW E46 ‘Trifecta Lights’ Diagnosis Guide Feel free to comment with any corrections or modifications and I will amend accordingly. I don't profess to be an expert on the subject but I've tried my best. Guide Overview This guide has been created to help people who encounter a common E46 issue...
  3. These symptoms in instrument cluster mean what?

    General E46 Forum
    Hi I'm new to the forum but have worked on "Foreign" cars since 1970. Recently acquired a nice 03 325i that needed a fuel pump, filter and starter to get it running. Former owner says the speedometer worked before it died and sat for several months. Here's what does not work on the cluster...
  4. 330ci Help: Changed Battery. Abs, Traction & Red Brake Light Stay On

    General E46 Forum
    I recently put in a new battery but now a new problem has come up. The abs, traction & red brake lights stay on when i start the engine & drive. I drove around for 20 minutes to see if it goes away & nothing. Any help would be appreciated. 2002 330ci
  5. My DSC/ABS/brake warning light solution

    DIY: Do It Yourself
    Here is my solution to the DSC/ABS/brake warning light issue. It began with the DSC/ABS/brake warning lights suddenly turning on, along with the speedometer and mileage counter not working. And the ABS rattle in the brake pedal would come on at low speeds. After doing some online research...
  6. New E46 problems ( trans cog, SES, limp mode, loss of power)

    General E46 Forum
    Good morning community I recently bought a 2003 325i for a steal of a price, off some kid who didn't know too much. He stated that it was having battery problems, draining after a couple days with a new battery, in other words the car was sitting for a couple months. Started the car up...
  7. HK Radio Interference from ABS Sensor

    General E46 Forum
    Hello to you all. I have been learning from all of you over the years and have been able to keep my baby on the road thanks to all of your great input, experiences and sharing. However, this time I am having a problem that I can't seem to find anywhere, so I thought I would throw it over to...
  8. DSC ABS Module Failure - Best way to proceed

    General E46 Forum
    Hi all, After almost 220,000 miles and 10+ years of ownership my DSC module seems to have given up the ghost. This has been an intermittent issue for quite some time and now the DSC/ABS fails with both the DSC light and the yellow brake lights on permanently. The shop I am using claims the...
  9. 2001 320ci ASC problem

    General E46 Forum
    Hi, I've got famous lights for a (longer) while now and I've been trying to find out what's wrong but I can't connect to the ABS/ASC module in pa soft 1.4.0. Usually the codes are red or yellow but mine are grey :/ I've tried disconnecting the abs module, replacing and reprogramming the module...
  10. 325ci Wheel Speed Sensor swap didn't work

    General E46 Forum
    Hi, I recently purchased a 2001 325ci. I love the car so far, but it has the ABS, Parking Brake, and Traction Control lights on. The digital MPH readout is also always wrong, but I think the regular speedometer reads close to correct. I did quite a bit of research and found that this is related...
  11. DSC lights jammed on, clunking sound

    General E46 Forum
    Hi all, Have looked through here, so far looks like this is the first report like this... Pretty worried, if anybody has any experience / ideas of the issue please let me know. Driving along at 50mph flat smooth road, change lanes, fairly strong 'clunk' sound, from the back happens, rear of...
  12. Spongy Pedal After Brake Bleed

    Suspension & Braking
    I recently replaced all my e46 M3's pads, rotors, and lines with StopTech equivalents (and 500ml of fresh st600 fluid). Everything was fine excpet I didn't tighten the front passenger line enough and sprayed fluid everywhere. After more bleeding I was not getting any bubbles from any of the...
  13. ABS, DSC, BRAKE lights - cheapest scanner?

    General E46 Forum
    I had my car garaged for some time while I was painting it. When I finished the job and drove the car after, the ABS, DSC, and (yellow) BRAKE lights all came on. These lights will come back on immediately if I disconnect the battery and start the car - they do not need the car to be moving to...
  14. Dash Trifecta Brake Lights

    General E46 Forum
    Hi all, I've been trying to solve this issue for a few months and have looked through a lot of posts and done troubleshooting with my local Euro specialist mechanic with little success. I hope someone can give me some ideas. (PROBLEM): My DSC center warning light, ABS light, and BRAKE light are...
  15. Driving WITHOUT Rear Speed Sensors?!?!?!

    Suspension & Braking
    Hello! I'm going to be running a dual caliper setup for my Drift 330i. I need to remove my rear abs sensor, in order to weld on my dual caliper bracket. What would this disable besides ABS (obviously)? maybe like Speedo, or odometer? Thank you for anyone that replies! ;) If anyone has any...
  16. ABS Chronically Engaged

    ///M3 Forum
    2001 E46 M3 LSB Hi Guys, First time poster but have found these forums to be invaluable. Recently I was driving down a minor hwy on my way to work when the car in front of me stopped abruptly. I was at approximately 30 feet when I noticed and slammed on the brakes. Needless to say I ended...
  17. Q: Cannot communicate to ASC module using Schwaben tool & 20-pin socket

    General E46 Forum
    Hi all! I just bought Schwaben diagnostic tool at ECStuning and very satisfied with it. It works excellent with my x3 (f25, 2011 MY), but yesterday I tried to help my friend, who has e46 (Eur, 320i, M52, 10/08/1998) without OBD connector under the dash, so we used round 20-pin under the hood...
  18. Premature ABS activation (wheels not locked yet); no error codes on OBD

    Suspension & Braking
    My car's ABS activates itself prematurely even before the wheels actually lock. My mechanic suspects the small wheelside ball joint on my right FCA to be loose... loose enough to cause vibrations to the wheel, which then triggers the ABS. However, I've only changed my FCAs last year (approx...
  19. Brake light and traction control HELP!!

    General E46 Forum
    Hey guys soo let me inform you on whats happening. Every time i turn on my car my brake light is on and i put ebrake off but still remains on. Then after about 30 seconds or so i hear a beep and i see now the triangle with exclamation mark is on now, the traction control light i believe its...
  20. E46 speedo/cruise control/abs/dsc/brake light problems!

    General E46 Forum
    So I have a high mileage 5spd 330i (187,000 miles) and it has a few problems. I have had the traction control light, the abs light, and the brake pads (?) light on ever since I got the car last September. A couple weeks ago, my cruise control also quit working. I read a couple threads about...
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