Post catalyst / After catalyst O2 sensor. Made by Bosch. Select part location from the menu.
Part # 11 78 7 514 926 = After catalyst in front exhaust manifold.
Part # 11 78 7 514 927 = After catalyst in rear exhaust manifold.
Buyers Note: For models with automatic transmissions only.
X3 2.5i 2004-2005 \/ After Cat Front Manifold,X3 2.5i 2004-2005 \/ After Cat Rear Manifold,X3 3.0i 2004-2006 \/ After Cat Front Manifold,X3 3.0i 2004-2006 \/ After Cat Rear Manifold
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