Thread: DIY - E53 3.0 Oxygen Sensor Replacement
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Old 01-15-2012, 06:19 PM
imalabil imalabil is offline
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OK please help--I want to replace the pre-cat sensors on my 2002 3.0. Do I only need 2? What is the correct Bosch P/N?
The post cats probably have a much longer wire.
Bill
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