Should still be okay. Let the tyre dealer call it.

AutoExpress report....

https://www.autoexpress.co.uk/porsche/macan/electric

Matt Watson [Carwow] 28 minute video.......the driving bit is towards the end,

Did you need to adopt the full load pressures? If you were / are driving in normal load conditions, then this could explain it. Try reducing the pressures back to the normal values.

Tyre pressures for normal load are 2.3 bar F and 2.5 bar R.

Hope you get back to full fitness Col Lamb. in 2018, as a second car, we bought a brand new factory order SEAT Leon FR 2.0i DSG hatchback and kept it for 5 years as it was so good and reliable. Even the deal was amazing through CARWOW at the time. So what to replace it with? Plan A - top of her list...

Autocar test.....published today: https://www.autocar.co.uk/car-review/porsche/macan-electric?utm_id=ddbff7d6-6033-4ba6-898b-66bbeb8758ac&sfmc_id=35692451&sfmc_activityid=4932d05f-748a-4d0d-bb00-f6c5998ec630&sfmc_journey_id=ddbff7d6-6033-4ba6-898b-66bbeb8758ac&sfmc_journey_name=uAota...

For clarity I live in London but mostly drive to Scotland and the Alps where I often encounter snow - not all of the journey, but some of the time. All season tyres are legal in Europe in winter as long as they have a snow flake mark - such as Michelin Cross Climate. It is a base Macan so 18” rims ...

Do you want to preserve your Porsche warranty? If so, you need to purchase N rated winter tyres. Unless you can be sure that you will swap the winters back to summers for OPC visits for work to be done.

18" were / are not an O.E. option on the Gen 3 Macan. They come with either 19, 20 or 21" alloys.