it is Retrofit M Style Paddle Shift steering wheel cable harness adaptor For BMW
it is plug and play without modification
work on
2010-2014 BMW X1 E84
2007-2013 BMW 3 Series Coupe E92 E93
2006-2011 BMW 3 Series Sedan E90 E91
2004-2013 BMW 1 Series E81 E82 E87 E88