AWE Tuning Touring Edition Axle Back Exhaust for BMW F10 M5, Diamond Black Tips (3015-43066)Perfect Sound. Perfect Power. The AWE BMW F10 M5 Touring Edition Exhaust is the ultimate compliment to BMW's flagship sport sedan. The F10 M5 needed its V8 soundtrack unlocked, and a notable kick in horsepower wouldn't be a bad thing either. The most straightforward way to accomplish this goal was by deploying a 180 Technology armed Axleback configuration. The result? A system that is both comfortable on the highway at cruising speeds, and aggressive