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Some 323 BMW's in the E36 platform only have 2 O2 Sensors, 1 pre cat and 1 post cat, unlike other BMW's that actually have 2 on the exhaust manifolds (1 per manifold) and two sensors at the cat for a total of 4 sensors.

This might be a bit confusing but BMW went with a simpler design on the 323 E36 I don't know why.

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12y ago

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