MINI2

Ian Clark · Jul 17th, 2005, 03:51 PM

There would appear to be something wrong with the ABS on my Cooper. (I do have DSC/ASC+T)

Prior to getting my tyres changed I noticed some oddness. At first it was only when I hadn't driven the car for a couple of hours however, now it happens at any time.

Basically, I can be approaching a junction or set of lights at speeds as little as 10mph. When I tap the brakes to stop, the ABS is kicking in, making the car lurch and then applying normal brakes which brings the car up short.

The first time I thought it must have been loose stones or a patch of oil but having experienced this almost every time I go out in the car and at numerous different junctions, it's obviously something with the brakes or ABS module.

Anyway since getting my tyres changed (to non Run flat Toyo Proxes), the Run flat indicator keeps on coming on if I corner hard drive over a small hump or dip in the road. Ok, I know the sidewalls on the Toyo's are a hell of a lot softer than the RF's so I can appreciate the RFI might come on - EVEN though, I've reset it numerous times and checked ALL 4 tyre pressures (of which are all at 32psi)

The worrying this is that each time the RFI light comes on, the ABS light comes on as well and my ABS is deactivated. Found this out when I locked up both fronts. (There's nothing in the manual that states this is normal)

Also when starting the car, the ABS light comes on as normal but stays illuminated (as well as my warning light on tach) until I've actually started moving.

Any Ideas?

PS. I am booked into BMW on Tuesday

Mike Edwards · Jul 17th, 2005, 04:38 PM

Pedal position sensor?

Dogtanian · Jul 18th, 2005, 05:28 PM

Probably one of the wheel speed sensors is faulty or even dirty.

They control both the ABS/DSC and the flat tyre light so seems quite likely.

Phil

Ian Clark · Jul 25th, 2005, 12:33 PM

BMW have checked the car out and have advised the Pulse Generator is shot and needs a complete replacement plus they have to check ALL of the wiring as the ABS has completely failed.

minicabrio · Jul 25th, 2005, 12:39 PM

I had this problem on my convirtible....turned out to be a faulty nearside front abs sensor...

Jul 17th, 2005, 03:51 PM	#1
Ian Clark MINI2 Master Join Date: Nov 2003 Location: Liverpool, UK Local Time: 06:19 PM Posts: 1,775 Offline	Something wrong with my ABS There would appear to be something wrong with the ABS on my Cooper. (I do have DSC/ASC+T) Prior to getting my tyres changed I noticed some oddness. At first it was only when I hadn't driven the car for a couple of hours however, now it happens at any time. Basically, I can be approaching a junction or set of lights at speeds as little as 10mph. When I tap the brakes to stop, the ABS is kicking in, making the car lurch and then applying normal brakes which brings the car up short. The first time I thought it must have been loose stones or a patch of oil but having experienced this almost every time I go out in the car and at numerous different junctions, it's obviously something with the brakes or ABS module. Anyway since getting my tyres changed (to non Run flat Toyo Proxes), the Run flat indicator keeps on coming on if I corner hard drive over a small hump or dip in the road. Ok, I know the sidewalls on the Toyo's are a hell of a lot softer than the RF's so I can appreciate the RFI might come on - EVEN though, I've reset it numerous times and checked ALL 4 tyre pressures (of which are all at 32psi) The worrying this is that each time the RFI light comes on, the ABS light comes on as well and my ABS is deactivated. Found this out when I locked up both fronts. (There's nothing in the manual that states this is normal) Also when starting the car, the ABS light comes on as normal but stays illuminated (as well as my warning light on tach) until I've actually started moving. Any Ideas? PS. I am booked into BMW on Tuesday

Jul 25th, 2005, 12:39 PM	#5 (permalink)
minicabrio sick note Join Date: Jan 2004 Location: Hampshire Local Time: 06:19 PM Posts: 15,759 Offline	I had this problem on my convirtible....turned out to be a faulty nearside front abs sensor...
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Jul 17th, 2005, 04:38 PM	#2 (permalink)
Mike Edwards MINI2 Master My Classifieds Join Date: Nov 2004 Location: Herefordshire Local Time: 06:19 PM Posts: 834 Offline	Pedal position sensor?

Jul 18th, 2005, 05:28 PM	#3 (permalink)
Dogtanian Muskehound Join Date: Aug 2003 Location: Helping Everybody Local Time: 06:19 PM Posts: 165 Offline	Probably one of the wheel speed sensors is faulty or even dirty. They control both the ABS/DSC and the flat tyre light so seems quite likely. Phil

Jul 25th, 2005, 12:33 PM	#4 (permalink)
Ian Clark MINI2 Master Join Date: Nov 2003 Location: Liverpool, UK Local Time: 06:19 PM Posts: 1,775 Offline	BMW have checked the car out and have advised the Pulse Generator is shot and needs a complete replacement plus they have to check ALL of the wiring as the ABS has completely failed.

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