Yes, i know my T4 was different but if you do fit both O2 sensors original from Volvo the motor will fly........don`t ask me why but my T4 did when replacing them the performance was so different including the mpg.
They say the sensors talk and communicate with one another and they must do to make the difference so well felt.
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Mercedes C320CDI Sport Estate 3 litre V6 7 Gear Auto
Remap 290bhp 628Nm torque @ 1600revs 45.1mpg
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