Following the MH1 Biturbo program released last year, Manhart Racing is back with a more powerful package for the 1 Series M Coupe. Dubbing the MH1 S-Biturbo, the tuning package features recalibrated engine management software, a carbon-fiber air intake, upgraded intercooler and oil cooler and new exhaust system. As a result, output has increased by 125 horsepower and 111 lb-ft of torque for a total of 465 hp and 443 lb-ft.

Visual enhancements come courtesy of a body kit consisting of a new carbon-fiber front lip, vented hood, mirror casings, trunk spoiler and rear diffuser. To improve ride quality and handling, 20-inch AC Schnitzer Type V Forged alloys and a KW coilover suspension kit have been added. Inside, the cabin is graced by MHR-embossed BMW Performance bucket seats. The result is a more individual take on the Bavarian automaker's celebrated performance coupe.