Rieger rear diffuser in gloss black for the BMW M135i F40 hatchback (2019+), including M Sport models. Not a replica - a proper OEM+ styling upgrade that tightens up the rear end without shouting.
Lightweight, impact-resistant ABS plastic - no warping, no sagging
Includes full fitting kit and German ABE certification for UK road use
Direct bolt-on fit; no trimming or modifications needed
Part number 00088316 - genuine Rieger, stocked and shipped from the UK
