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As soon as I drove the car today, the lights came back on New sensor ordered

At least it is the cheap one. The rear one which I have to change as well is more than twice the cost

Which sensor was it?
Be sure to soak the mounting bolt in penetrating oil beforehand and use the exact size Allen key. 5mm or 6mm, can’t remember which.
Take it easy as you don’t want that bolt shearing off.
Last one I did we had to resort to Mole grips and removed the calliper to get enough purchase on the bolt.

It is 5mm from my research

pvr wrote: ↑Sun Mar 19, 2023 9:12 am It is 5mm from my research

Cheers.
Old age setting in! Only did the job last weekend.

I ordered the Torx replacement bolts on your recommendation, so when I do the jobs at least I have the replacements to go in.