I had to replace the front left wheel bearing on my 2007 MCS. I didn't remove the speed sensor first and subsequently broke it so I ordered a replacement from JC Whitney. I fitted the replacement and the DSC/ warning light trio came on as soon as the hub is turned even a small amount. Assuming the replacement sensor was faulty I ordered another but it fails the same way. I didn't have this problem prior to replacing the bearing hub.
I've been searching to see if there's a reset that needs to be performed however nearly all the advice i've found states that just fitting the replacement then driving around will make the lights go out. I've been driving the car for 2 weeks and it's not automatically reset.
Does anyone have any ideas?

 

No idea why you are having the problem but I also got the JC Whitney speed sensor and it worked prefect.
Did you try resetting the ECU by disconnecting the battery?
Good luck.

 

did you get an OEM wheel bearing? If not that could be your problem

 

Thanks for the suggestion- I disconnected the battery and left it overnight however still the same problem this morning

 

It's not OEM although when I look down the sensor hole I don't see the shiny surface of a new hub so I was assuming it didn't read off this

 

Hello,
Im wondering if you got your problem solved?
I did the same exact thing and still trying to figure out what makes those lights come on...

 

Sounds like when you got the new speed sensor make sure its the right one, also make sure when you connect the blue color end into the terminal socket it makes contact.



For the front

#2 is the ABS sensor which connects to the top of #5 near the wheel bearing. Follow the dotted line. #7 is the wheel bearing

Here is the ABS sensor and here is the wheel bearings. When you replace the wheel bearing there is sometimes build up with gunk on the sensor which scraps it . Make sure the sensor are not damaged and clean them off with a towel. Also clean out the area where the old wheel bearing was.

Check the ABS sensor , it has to be clicked into the male side all the way. There is little clips on the side that should clip all the way down on the plug side. Also check to make sure the pins are not bent and line up according to the orientation of the other connection. Most people don't clip these all the way in , which is like the Brake pad wear sensor. And then show the ABS light.

The black end side also should fit flush on the top of the #5 the axle carrier and use the screw to tighten it down. Which the head of the sensor should run close to the back of the wheel bearing.

Front ABS Speed Sensor. Part number 34526756384


http://www.ecstuning.com/Search/SiteSearch/34526756384/





And the front wheel bearing

Here are the parts.

This wheel bearing is production up to 7/2006. R50 R52 R53 Gen 1 models. Part number 31226756889


http://www.ecstuning.com/Search/31226756889/





This wheel bearing is production from 7/2006 + . R50 R52 R53 Gen 1 models. Part number 31226776162


http://www.ecstuning.com/Search/SiteSearch/31226776162/




Thanks and hope that helps.

 

So I went ahead and checked everything and the lights (abs, engine, speed) are all on. I wonder it it matters that on the replacement sensor the tip of it is square like in the photo but the one I took out was angled at the tip...

 

I think you have an 2007 Gen 2 MINI now the sound of it, this is the Gen 1 MINI forums, so I was thinking your MINI was a 2007 MINI Convertible R52 Gen 1 above.

Does it look like this?




If so, then you have a Gen 2 MINI Cooper S 2007 also called an R56 by the R code. That new sensor you got was for a Gen 1 MINI with the square head and not the right one from that other company.

This is the Gen 2 sensor front ABS sensor. Part number 34526851500


http://www.ecstuning.com/Search/SiteSearch/34526851500/




What was the part number on the wheel bearing?

Thanks