oxigen sensors

[mbaptista]

Does anyone know whether the rear oxigen sensors of the 2012 X3 xDrve28i 3.0 6 cyl engine are interchangeable? They have different part numbers: 11-78-7-596-909 (cyl 1-3 catalitic convertor) and 11-78-7-603-023 (cyl 4-6 catalitic convertor).

[jclausen]

Then no could it be length of the wire who knows you’ll just have to buy the right one

[shogun]

-909 is 650mm long, 4 wires Bosch Art.-Nr.: 0258010233
-023 is 370mm long, 4 wires Bosch Art.-Nr.: 0258010431