Important: The installation instructions are not in the retrofit kit. The latest installation instructions must be printed from the Aftersales Assistance Portal (ASAP) and given to the customer. For the carbon tailgate please observe PuMA measure 65105140 As an alternative to 51 62 2 334 541, 51 19 2 409 319 (throughflow rear spoiler) can also be fitted,Important: The installation instructions are not in the retrofit kit. The latest installation instructions must be printed from the Aftersales Assistance Portal (ASAP) and given to the customer. For the carbon tailgate please observe PuMA measure 65105140