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Bosch O2 sensor PN 13878
Posted to Technical Tips Forum on 9/4/2014 17 Replies

Beware of using Bosch PN 13878 O2 sensor in R53 Mini Cooper S. I purchased 2 for both upstream and downstream replacements on my '04 Cooper S which still had the (working) originals installed. I had to remove the manifold and cat to repair a cracked weld that ... Login to read more.

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car Vehicle Data

2004 Mini Cooper S 1.6L

Engine1.6 L
Trans6-speed Standard

car Vehicle Data

2004 Mini Cooper S 1.6L

Engine1.6 L
Trans6-speed Standard