ISO Wiring Harness with Noise-canceling Box

Fit for BMW, Volkswagen and Mercedes-benz Head Units

XTRONS AK/INIB/NRCBLBMW is a 40pin ISO harness adapter with a filter for noise/static cancellation. It is compatible with XTRONS head units or other aftermarket unit (fit for BMW, VW and Mercedes-benz models) which use 40pin harness. 

Note: It doesn't work for Mercedes-Benz E-Class W211, CLS Class W219.