I find tyre pressures are an argumentative subject. I asked on this forum a while back and the reccomendations were as varied as the interior colours
So I settled on 36 all round. On cold mornings they are often reading 33 but after a few minutes they warm up to 36. On long trips they settle at 38 no matter the outside temp. They do not step up/down in quad synch and often vary by two or three degrees until they reach running temp.
But then again I run on tractor fuel and don't cane it very often, management won't let me.
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Ray at Wigan Pier
2014 A8L D4 4.0TFSI Gold (Sticker says "Beige") Can't leave you in a black smoke cloud anymore..
In progress, Nothing left to do.
Gone 2004 A8 D3 3.0 TDI. Ebony Pearl Black (with little bits of other colours and glitter)