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Old 10-05-2012, 05:28 PM   #22
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Join Date: Aug 2011
Location: Reading, Pennsylvania
Posts: 814
My Ride: 03 325xi, 01 325xi
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Used the Wahler Thermostat and went in quickly. Also replaced the 2 pre-cat O2 sensors with Bosch units from Amazon (doesn't matter if Bosch made them or had them made, they are the correct ones and built to spec, so go ahead and get them and get 2 for the price of 1!!
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