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E46 Xi Forum
The E46 XI was produced from 01-05 in sedan and touring body styles. Powered by either a 2.5L inline 6 in the 325xi or a 3.0L inline 6 330xi. Discuss all thing about BMW AWD E46 'Xi' here.

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Old 10-05-2012, 12:27 PM   #21
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Join Date: Apr 2011
Location: Bloomington, IN
Posts: 229
My Ride: '01 325xi
Originally Posted by Kubica View Post
You've been driving for a year like this? Not smart.
I appreciate your concern, Kubica. I welcome any elaboration.

Originally Posted by ZemogFC3S View Post
I had my oil filter housing gasket and ccv replaced a few months ago and my obc mpg went from 17.5 to 21. I drive mostly in the suburbs.
That's awesome. I had my CCV replaced about 10 months ago. Didn't have a noticeable impact on my fuel economy.

Honestly, I think my low city fuel economy is predominantly just a function of living in Washington, DC. In addition to being very stop-and-go, there are hills to contend with. My average speed on a tank of purely DC driving is around 10 mph.

Last edited by Table3; 10-05-2012 at 12:30 PM.
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Old 10-05-2012, 05:28 PM   #22
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Join Date: Aug 2011
Location: Reading, Pennsylvania
Posts: 815
My Ride: 325xi, M3, 325e, 328
Year: 2004
Model: M3
Transmission: 6 speed manual
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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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