Oxygen Sensor BMW X5 2003 E53 Workshop Manual

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Exhaust System
The exhaust system of the X5 is made from stainless steel and consists of three main
pieces after the exhaust manifolds. The front section consists of two monolith catalytic con-
verters with pre and post-oxygen sensors. The two converters converge into one center
muffler on the right side of the vehicle.
The two rear sections consists of the tail pipes and main mufflers that are mounted at the
rear of the vehicle.
The front and rear exhaust components are bolted together with spring bolts
M54 Exhaust
M62 Exhaust
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