ummmm

I ordered a new cam shaft sensor and installed it at the weekend. the fault code was

114/8 - P0345 - cam shaft position sensor 'A' circuit bank 2

I installed the cam shaft sensor in the right hand side of the engine when looking from the front of the car with the bonnet open.

about a day later the same error message came up again?

just wondering whether I should install the cam sensor i removed from bank 2 onto the bank 1 side?

is there any way of checking if the cam sensor is working?

could it possibly be a fault further along the cam shaft sensor circuit?

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E61 525i 2004 M54 Auto
E46 320i 2002 M54 Auto
E46 330i 2003 M54 Sedan Manual