Upgrade your stock seat backrest trim to BMW's F8x competition black backrest trim.
Left and right side are sold separately.
*Price is per seat back trim and a quantity of two is required for a complete set.
Splicing has to be done with the new design of these backings.
LINKS
M4: http://bit.ly/m4bmwbr
M3: http://bit.ly/m3bmwbr