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Category: X3 Series 2004-2010
Pre-catalyst / Before catalyst O2 sensor.Select sensor location from the menu.Made by Bosch OEM.BMW has now superseded this item with one single Bosch part for both locations.Part# 11 78 7 523 434 = Before catalyst in front exhaust manifold.Part# 11 78 7 523 435 = Before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
Pre-catalyst / Before catalyst O2 sensor.Select sensor location from the menu.Made by Bosch OEM.BMW has now superseded this item with one single Bosch part for both locations.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: For models with automatic transmissions only.
Cross Reference:
17215
Fitment: X3 2.5i 2004-2005 \\/ Before Cat Front Manifold,X3 2.5i 2004-2005 \\/ Before Cat Rear Manifold,X3 3.0i 2004-2006 \\/ Before Cat Front Manifold,X3 3.0i 2004-2006 \\/ Before Cat Rear Manifold
You are requesting a quote for BMW X3 Oxygen Sensor Pre Cat OEM 2004-2006 11787523434 or 11787523435. Please fill out the form below with your OE list, quantity needs or questions.
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