Post-Cat Oxygen Sensor, Bosch - E9X M3, E6X 550i/650i/750i, E7X X5/X6 (11787539125)

Genuine Bosch O2 sensor to keep your emissions system running smoothly

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Price:
$109.99

E90 E92 E93 M3, E60 550i, E63 650i, E66 750Li post-cat O2 sensor (after the catalytic converter).

This the oxygen sensor (O2 or Lambda probe) located after the catalytic converter. It reads and checks the status of the exhaust after going through the catalytic converter. The engine computer uses this data to verify the cats are working properly. A failed O2 sensor can set several different types of fault codes so it's a good place to start if you have O2 sensor or heater circuit faults. Most cat manufacturers will insist that you have new post-cat O2 sensors when you install new cats. This is a new OEM O2 sensor from Bosch, the inventors of the system and the original supplier to BMW. Fitment notes: M3: bank 1 and 2
550/650/750: bank 1 / passenger side, post cat

BMW Fitments:

3 Series
E90 / E91 / E92 / E93 (06-13) > M3
5 Series
E60 / E61 (04-10) > 550i
6 Series
E63 / E64 (04-10) > 650i
7 Series
E65 / E66 (02-08) > 750Li
E65 / E66 (02-08) > 750i
E65 / E66 (02-08) > 760Li
X5 Series
E70 X5 (07-13) > X5 4.8i
E70 X5 (07-13) > X5 M
X6 Series
E71 X6 (2008-2014) > X6 M
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