Maxton Design Racing Side Skirt Diffusers BMW Z4 Coupe E86 Custom MK1 and strong

and strong

These deliver a 10% increase in output energy versus OE

so it is worth checking there as well

Precision power

Maxton Design Racing Side Skirt Diffusers BMW Z4 Coupe E86 Custom MK1 and strongSIDE SKIRTS DIFFUSERS BMW Z4 COUPE E86 fits: BMW Z4 COUPE E86 (2005 2009) COMPLETE SET CONTAINS: SIDE SKIRTS DIFFUSERS Mounting kit Product is made of ABS plastic. ABS material was created specifically for use in the automotive industry. ABS is used in production of factory bumpers and other car body parts. ABS products are characterized with increased strength and flexibility. This product has been TUV MATERIALGUTACHTEN certified (TUV certify for