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Cleaning Catalytic converter
Posted to Emissions Forum on 10/25/2007 27 Replies

Okay here we go. We have a 03 BMW Z4 with a P0420(BMW 233) code(Bank 1 catalytic converter efficiency).Car has only 20K miles on it and no other codes. We know it has 8/80 warranty on the cat and also an extended warranty. Reading in Identifix newsletter there... Login to read more.

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car Vehicle Data

2003 BMW Z4 3.0i 3.0L

Engine3.0 L
Trans5-speed Automatic (Electronic)

car Vehicle Data

2003 BMW Z4 3.0i 3.0L

Engine3.0 L
Trans5-speed Automatic (Electronic)