Post-cat oxygen sensor / Located after the catalytic converter. Select O2 sensor location from the menu. Made By IDO 11787544654
525i 2006-2007 \/ After Cat Front Manifold,525i 2006-2007 \/ After Cat Rear Manifold,525xi 2006-2007 \/ After Cat Front Manifold,525xi 2006-2007 \/ After Cat Rear Manifold,528i 2008-2010 \/ After Cat Front Manifold,528i 2008-2010 \/ After Cat Rear Manifold,528xi 2008 \/ After Cat Front Manifold,528xi 2008 \/ After Cat Rear Manifold,528i xDrive 2009-2010 \/ After Cat Front Manifold,528i xDrive 2009-2010 \/ After Cat Rear Manifold,530i 2006-2007 \/ After Cat Front Manifold,530i 2006-2007 \/ After Cat Rear Manifold,530xi 2006-2007 \/ After Cat Front Manifold,530xi 2006-2007 \/ After Cat Rear Manifold
