Charles Rainford led the way at the end of the British Touring Car Championship’s final official pre-season test day at Brands Hatch.<br>A late afternoon run propelled the West Surrey Racing BMW 330i M Sport to the top of the times by a significant margin.<br>Rainford, whose maiden BTCC race win came on the Indy Circuit last year, went 0.317 seconds clear, although that lap was over 0.4s ...<a class='more' href='https://www.autosport.com/btcc/news/rainford-tops-final-btcc-2026-test-at-brands-hatch/10811640/?utm_source=RSS&utm_medium=referral&utm_campaign=RSS-ALL&utm_term=News&utm_content=uk'>Keep reading</a>