F85/F86 X6 M RKP Style Carbon Fiber Rear Diffuser diffuser Comes with a key chain

Comes with a key chain ring to throw on your keys or bag

Instead of releasing overboosted air into the atmosphere (like on a blow-off valve) the DV redirects the overboost back through the turbo

Since the heat exchanger sits front and center in the M3 and M4's cooling stack

this is how your vehicle should have come from the factory• Compatible with all driving modes• Fuel economy unchanged during normal driving• Compatible with JB4 Mobile for smartphone logging

Our aluminum chargepipe features precision CNC billet aluminum flanges and they are finished in powder coated wrinkle black

F85/F86 X6 M RKP Style Carbon Fiber Rear Diffuser diffuser Comes with a key chainA must have for any X5 X6M! Fitment: 2015 2018 F85 X5 M F86 X6 M 2x2 Carbon Fiber Weave High Gloss Clear Coat Excellent Fit and Finish