BMW E46 3-Series O2 Sensor Pre Cat OEM 11787523434 or 11787523435 (03/2003-2006)

Product Description

Pre-catalyst / Before catalyst O2 sensor.Select sensor location from the menu.Made by Bosch OEM.BMW has now superseded this item to one single Bosch part for both locations.

Part# 11 78 7 523 434 = Before catalyst in front exhaust manifold.

Part# 11 78 7 523 435 = Before catalyst in rear exhaust manifold.

Buyers Note: Only for E46 models built from 03/2003-2006, Does not fit models with the M56 Super Low Emissions Engine

Cross Reference:

17215