Home >> BMW >> 2012 >> Alpina B7 >> Repair and Diagnosis >> Accessories & Equipment >> Gauges & Instrument Panels >> Engine Electrical System - Repair (N63) >> 1200 Troubleshooting >> 61 13... Instructions for opening contacts and locks of different plug contact systems >> Repair instructions for opening plug housings and removing contacts of different plug systems >> Plug system JPT/MDK/DFK