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E36 (1991 - 1999)
The E36 chassis 3-Series BMW was a huge hit among driving enthusiasts from the first moment the car hit the pavement. The E36 won numerous awards over the years it was produced and is still a favorite of many BMW enthusiasts to this day! -- View the E36 Wiki

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Old 11-09-2010, 10:36 AM
tycomps tycomps is offline
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Bank 2 sensor 1 location

have a P0153 O2 Sensor Circuit Slow Response (Bank 2 Sensor 1), can anyone tell me if this is the regulating or monitoring sensor and if it's for the cat nearest the passenger or driver. thanks
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Old 11-09-2010, 02:57 PM
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drivinfaster drivinfaster is offline
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bank 1 is the 1st set of 3 cylinders that share a manifold, bank 2 is the second (closest to the firewall). sensor 1 designates pre cat sensor (fuel trim monitor), while sensor 2 is the catalyst efficiency monitor.

on 'v' design motors, bank 1 is where cylinder 1 is designated (manufacturer specific), and bank 2 is the other one, not necessarily where cylinder 2 was located. (for example, gm designated #1 cylinder and the rest of the ones on that side all odd, and the other were evens, while ford numbered them sequential so #1 and 2 were on the same head)

hope this clarifies things for you.

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Old 11-10-2010, 09:40 PM
e30e e30e is offline
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Mein Auto: e36 m3/4
If you get an o2 sensor tool, there like 15 bucks from autozone, it makes getting those 2 sensors out so much easier.
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