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by sars » Thu Feb 18, 2021 6:41 pm
The XL just means extra load, they have stiffer sidewalls to account for a heavier car and reduce the effect of the outside of the tyre pushing in under cornering because of that extra mass. The thought that if you have a powerful engine XL tyres are recommended is rather simplistic, cars are developed using a specific manufacturers tyre and that, especially for performance cars, are developed in tandem with the car designers to get the performance and feel that they want. That is why there is usually a recommended set of tyres in your handbook. To go and fit something very different will alter the characteristics and feel of your car. Tyre review has an interesting video on this very subject replacing the tyres on an M2 competition from Michelin Pilot Super Sports with Pilot Sport 4S's
Gorgeous SFR Z4 M40i
Gone 2017 Iridium SL400, 2015 435d xDrive Convertible, 2012 E350 CDi Convertible, 2010 DSB Z4 sdrive30i, 2008 Audi A4 Cabriolet, 2006 Phoenix Yellow Z4 2.5Si, 2003 Saab 9-3 Convertible