E39 ASC and ABS Lights on |
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whitey
Really Senior Member I Joined: 15-May-2004 Location: United Kingdom Status: Offline Points: 450 |
Posted: 21-March-2006 at 11:08 |
Hi Andrew. I am on very good terms with my main dealer due to me not only having had all my 5's serviced there for the past 10 years but also parting with fortunes in the parts depatment for the e30!!! Like I say I'd spent a day just messing about and it was mid winter (as cold as it is at the moment). In the end I popped in on the off chance to see if they were busy. Although snowed under (between xmas and the new year) with flat batteries etc. my preffered service adviser asked me for my keys, invited me to help myself to a coffee, whizzed it round the back and returned it litterally 10 mins later, handed me back the keys and said "right rear". I asked him how much I owed him, he just stated "have a happy new year mr. white" and the matter was closed. You see he knows i know a bit and that he won't get the additional work out of me (over and above the service to get the stamp and the strictly main dealer stuff) due to me having the tools and facilities at home to complete the work. He also realises that a good will gesture and politeness means more to me than any other part of their service. I walked into the parts dept and bought one there and then, went home fitted it and hey presto.......a clear dash. Good luck but I fear you'd be quicker to just run it into the dealer and get them to diagnose it. Tell them your sure it's a wheel sensor, just which one? Trevor |
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2000 e39 523i with full factory sport kit.
1989 e30 325i Convertible 1999 Golf GTI 1.8T |
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Ian :0
Groupie Joined: 11-August-2003 Location: United Kingdom Status: Offline Points: 92 |
Posted: 21-March-2006 at 08:02 |
Both ASC + ABS = generally wheel sensor. Faff on or part with cash and have a dealership cup of coffee while you wait....oh, and a drool over something expensive !
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Ian
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bpc101
Newbie Joined: 08-September-2005 Location: Bishops Stortford Status: Offline Points: 31 |
Posted: 21-March-2006 at 05:11 |
Something a garage did for me when testing to see if it was sensors or the ABS Unit (unfortunately ended up being the unit) is to swap them round... Front and Rears are different, but if you swapped the rears over and your speedo stops working then you know it is that one (Speedo definately works off the near side rear). In the 6 months i have had mine I have had all 4 sensors replaced and the ABS Control Unit but at least I know they will all be ok for a bit! Good luck this weekend, and just be careful in taking them out as they can break... |
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Andrew Rolland
Moderator Group Go away rain Joined: 19-August-2004 Location: Scotland Status: Offline Points: 6579 |
Posted: 21-March-2006 at 03:11 |
Thanks Whitey How did you detect what was the problem? Did you take it to a dealer for a diagnostic check? Just foned my local garage (Not BMW), they say they should be able to diagnose it and tell me what is wrong with it. I quite fancy checking it myself though, I wonder if the long haired general will let me get my socket set out this weekend instead of looking at wedding photographers?????? Andrew |
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Be exclusive and drive a Petrol 5 Series!
Current '13 62 F10 535i MSport Auto Previous '04 04 E60 545i SE Auto '03 53 E60 545i SE Auto (Stolen) '98 S E39 523i SE Auto |
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whitey
Really Senior Member I Joined: 15-May-2004 Location: United Kingdom Status: Offline Points: 450 |
Posted: 20-March-2006 at 14:17 |
I'd say wheel sensor. If your cruise is still working it's unlikely to be the off side rear. Rumour is the near side rear is linked to the speedo so if thats still working that one should still be okay. However if your gearchanges are out then maybe it detects engine speed to road speed and therefore it'll change at different times?? Fronts? I'm not sure as I would have thought that as the ASC is affected then it would be a rear one as it needs to detect a spinning driven wheel. When both my lights came up my cruise packed in also and that was definately the right rear (off side). Good luck with this. I spent a weekend trying to id which sensor. it's quiker to take it to the dealer for a diagnostics check. You don't have to have the work done, just id the fault. |
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2000 e39 523i with full factory sport kit.
1989 e30 325i Convertible 1999 Golf GTI 1.8T |
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Andrew Rolland
Moderator Group Go away rain Joined: 19-August-2004 Location: Scotland Status: Offline Points: 6579 |
Posted: 20-March-2006 at 08:01 |
Yup everything is normal, just have these sodding lights on in the dash! Although the gear change has been a bit 'off' recently which was maybe a hint that one of the sensors is on its way out and now it has finally gone. Andrew |
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Be exclusive and drive a Petrol 5 Series!
Current '13 62 F10 535i MSport Auto Previous '04 04 E60 545i SE Auto '03 53 E60 545i SE Auto (Stolen) '98 S E39 523i SE Auto |
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Toxic
Really Senior Member II Joined: 14-October-2003 Location: Ireland Status: Offline Points: 841 |
Posted: 20-March-2006 at 07:31 |
http://bimmer.roadfly.com/bmw/forums/e39/6261321-1.html Is your speedo still working as normal? |
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Tom
E39 1997 523i Oxford Green (Sold) ___________________________ |
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Fey!
Bavarian-Board Contributor Funs over, Scotty; beam down my clothes! Joined: 28-February-2005 Location: Galway Status: Offline Points: 4161 |
Posted: 20-March-2006 at 07:02 |
Check your front left sensor - seemingly that's the one that goes most frequently for some reason. I'd get it done by a garage as it affects the ABS. But that's just me. |
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Andrew Rolland
Moderator Group Go away rain Joined: 19-August-2004 Location: Scotland Status: Offline Points: 6579 |
Posted: 20-March-2006 at 06:33 |
Thanks Tom, much appreciated.
Andrew |
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Be exclusive and drive a Petrol 5 Series!
Current '13 62 F10 535i MSport Auto Previous '04 04 E60 545i SE Auto '03 53 E60 545i SE Auto (Stolen) '98 S E39 523i SE Auto |
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Toxic
Really Senior Member II Joined: 14-October-2003 Location: Ireland Status: Offline Points: 841 |
Posted: 20-March-2006 at 04:26 |
Andrew, If I get a chance tonight or tomorrow night, I'll have a look at the Bentley Bible for ya.....in the meantime, I'd advise you to have a look through www.roadfly.org cos when I was looking for hints on the ASC fault, there were a lot of posts about ASC & ABS combined faults. Tom |
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Tom
E39 1997 523i Oxford Green (Sold) ___________________________ |
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Andrew Rolland
Moderator Group Go away rain Joined: 19-August-2004 Location: Scotland Status: Offline Points: 6579 |
Posted: 20-March-2006 at 03:04 |
Day off on Friday, out in the car, start up normal. I turn the ignition on and let all the warning lights go out before starting engine. All lights go out. Drove 1/4 mile ASC and ABS light come on. Drove to where I was going, switched off and then came back 30 mins later. Re-start car and ASC and ABS lights stay on and don't clear at all. Drive car forward about 10mon and and lights go off. Great. Drive 1/4 to 1/2 mile and both lights then come back onand then stay on for the rest of the trip. Having closely followed Killian's and Tom's woes about the ASC light being stuck on, I checked the ASC throttle actuator cable and it is fine but in both Killian's and Tom's cars it is only the ASC light that is on. Can I presume that I have a different fault then? Can I assume that it is a dodgy wheel sensor then? Cruise still works fine, but the gear changes are maybe a bit out compared to recently, this would also suggest a wheel sensor. Do I need to jack up all four corners and measure the resistance of each sensor in an effort to find the dodgy one, or do I stop being tight fisted and having the attitude 'I'll fix it myself' and take it to a garage for a diagnostic check? Any suggestions for having both ASC and ABS lights on? Andrew |
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Be exclusive and drive a Petrol 5 Series!
Current '13 62 F10 535i MSport Auto Previous '04 04 E60 545i SE Auto '03 53 E60 545i SE Auto (Stolen) '98 S E39 523i SE Auto |
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