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post #1 of 9 (permalink) Old Feb 6th, 2014, 05:43 PM Thread Starter
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Flat tyre sensor

Can anyone tell me where the flat tyre/low pressure control unit is located on my 2001 R53 please? I recently had the system checked and was told it needed replacing at a cost of 150 for the unit plus labour. Second hand ones are available for about 30 and I'd like to replace it myself if possible. Thanks, Mark.
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post #2 of 9 (permalink) Old Feb 6th, 2014, 07:51 PM
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Dont know about any 'Pressure control unit' - The Mini uses the ABS sensors on the wheels to monitor each tyre's rolling diameter - A flat tyre would have a smaller diameter & hence rotate faster than the others.
So you are probably looking at a faulty ABS sensor - Is this what you meant you had seen for 30?

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post #3 of 9 (permalink) Old Feb 6th, 2014, 08:16 PM Thread Starter
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Thanks for the reply, it's not the abs that's faulty, it's the tyre pressure control unit that's failed. It's a white box/unit and you can find them on eBay available from breakers. I've looked all over the engine bay but cannot see it. I was wondering if it is hidden under the dash , maybe on the passenger side?
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post #4 of 9 (permalink) Old Feb 6th, 2014, 10:04 PM
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Originally Posted by Marky Sparky View Post
I've looked all over the engine bay but cannot see it.
Thats because it doesn't exist - As I said the MINI uses its ABS sensors to calculate tyre rotation & hence pressure loss.

I believe 2nd gen MINI's from 2007 had seperate pressure sensors in the wheels, but not 1st gen such as yours {& mine}

I did a search on ebay to see what you could possibly be looking at, & all I found was the 'Pressure reset button' thats normally located down beside the handbrake.

If still confused, any chance you can link to what you've been looking at?


Last edited by Restyle; Feb 6th, 2014 at 10:05 PM. Reason: typo
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post #5 of 9 (permalink) Old Feb 7th, 2014, 10:51 AM
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I believe 2nd gen MINI's from 2007 had seperate pressure sensors in the wheels, but not 1st gen such as yours {& mine}
Only 2nd Gen Minis in America (not sure about Canada) have actual pressure sensors in the wheels. 2nd Gen Minis in Europe just use the ABS sensor.
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post #6 of 9 (permalink) Old Feb 7th, 2014, 04:51 PM
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post #7 of 9 (permalink) Old Feb 7th, 2014, 07:04 PM
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Originally Posted by Silverado View Post
Interesting ... So from that it seems that the tyre monitoring system was indeed different on very early 2001/02 UK models - although from everything else I've read, only US models were supposed to have the direct pressure monitoring system.

Marky Sparky - Check out behind the drivers side inner wheel arch cover for one of these units {Although on mine thats the location of the HK Amp}

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post #8 of 9 (permalink) Old Feb 7th, 2014, 10:04 PM Thread Starter
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Silverado, thank you for the link, that's the one! They vary between 30 & 40 on eBay . I should point out that my car is a very early model, built in April 2001. Thank you to everyone for your replies.
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post #9 of 9 (permalink) Old Feb 7th, 2014, 10:26 PM Thread Starter
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P.S. I was told that having the flat tyre warning light on is now an M.O.T failure. Not sure how true this is, maybe someone else can confirm this?
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