Alpha-N G87 M2 Carbon Rear DiffuserAlpha N G87 M2 Carbon Rear Diffuser Part # AN 0319 Alpha N has a reputation for pushing the boundaries of performance and style. With Alpha N's connection to BMW Motorsport and their track record of producing high quality carbon parts, their latest G8X M2 M3 M4 components are no exception. Designed as a 2 part system, but available to be installed on its own, Alpha's new carbon rear diffuser takes its cues from the G87 M2's existing bodylines and