: Route the retrofit wiring harness from the front bumper through the firewall to the interior control modules [1.2, 1.4].
Bumper bracket repair kit (Part #51117324343) for sensor holders [1.3]. 1669-set-1x.jpg
PDC installation kit (Part #66202338070) including wiring harness and sensors [1.3]. : Route the retrofit wiring harness from the
For the full step-by-step walkthrough and specific wiring diagrams, you can refer to the Front Park Distance Control Retrofit DIY on the Bimmerpost forums . VRA) for the sensors [1.1].
: Carefully drill 18mm holes in the front bumper at the marked positions (VLA, VLI, VRI, VRA) for the sensors [1.1].