285 35 R 21 105Y XL Pirelli P Zero PZ4 * BMW 4mm+ S501 DOT23 x2 PW Tyres 2853521
285 35 R 21 105Y XL Pirelli P Zero PZ4 BMW 4mm+ S501 DOT3823. Due to the lighting and positioning of the pictures taken of this tyre, we understand it may be difficult to make out the tread depth of the tyres.