FIA WEC24 Hours of Le Mans Button Completes first LMP1 test with SMP Racing ahead of Le Mans debut by Jean-Paul Hackett May 11, 2018 by Jean-Paul Hackett May 11, 2018 Jenson Button has conducted his first test of SMP Racing’s BR Engineering BR1. 0 comment 0 FacebookTwitterPinterestLinkedinRedditWhatsappEmail