Complex sentence: During the same episode The Stig managed a lap time of 1:26.7 s with the XFR, making the XFR only 0.5 s slower than its rival the BMW M5 (1:26.2).
Split into simpler sentences: During the same episode The Stig managed a lap time of 1:26.7 s with the XFR. Making the XFR only 0.5 s slower than its rival the BMW M5 (1:26.2).