S54 - Tyre pressure sensor

Repository of 'how to do' articles relating to the Z3 and M roadster/coupe

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S54 - Tyre pressure sensor

Post by shantybeater » Fri 09 Dec, 2011 22:44

I thought this was probably worth sticking up if not just for future searches.

A week or so back I appeared to encounter my first fault with the car since ownership began. On my way home from work this popped up on the dash and flashed away at me:

My instinct was to hold the tyre pressure sensor button under the steering wheel until the light went out 'resetting' the sensor. This worked for a few minutes but the light kept coming back. I assumed it was a fault with the sensor (since I had pumped my tyres up a matter of days before with no obvious punctures) but thanks to exdos over on z3mcoupe he showed me the 'proper' way to reset the sensor.


Initializing the system
Initializing is necessary to familiarize the
system with the correct inflation pressure.
Repeat this process after any changes
in tire inflation pressure, tire rotation or
replacement. Do not carry out further
system initialization after correcting the
inflation pressure and letting the system
"learn" what condition is required.

1 Check the tire inflation pressure in all
the tires, comparing them with the
inflation pressure table (page 27),
and adjusting their pressure if necessary.

2 Turn the ignition key to position 2.

3 Continue to press the button until the
indicator lamp in the instrument
cluster lights up. After a short time,
the indicator lamp will go out automatically.

4 Switch the ignition off.

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  M roadster S54
Location: Romford Essex

Post by Gazza » Fri 09 Dec, 2011 22:48

James, I'm moving this to the Knowledge Base

"Understeer is when you hit the wall with the front of the car, oversteer is when you hit the wall with the rear of the car. Horsepower is how fast you hit the wall and torque is how far you take the wall with you"

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