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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 03-13-2012, 03:28 PM   #21
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Join Date: Feb 2012
Location: Houston
Posts: 13
My Ride: BMW 330xi
and that's why I love e46 fanatics!
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Old 04-14-2012, 08:32 AM   #22
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Join Date: Oct 2011
Location: Raleigh-Durham NC
Posts: 11
My Ride: 01' 330xi
Need some help guys. 01 330xi, Low Coolant light comes on but only at high speeds and when the heater is on. When I come to a stop or am sitting at a stop light it goes off until I gain some speed. Checked the level when the car was off and level was fine. Wondering if I can check the level with car running and cut the heater on and see if I can add to it. Any suggestions, advice, tips would be appreciated. Thanks in Advance. BTW the car is not overheating.
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Old 04-14-2012, 05:42 PM   #23
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Join Date: Feb 2012
Location: Houston
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Sounds like the sensor needs changing. I had the exact same issue and a change of the coolant sensor resolved it for me.

Not to difficult DIY and the part isn't too expensive
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Old 12-23-2012, 07:07 PM   #24
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Join Date: Dec 2012
Location: SHENZHEN
Posts: 37
My Ride: SDF
I went ahead and bought a new fuel filter and MAF cleaner, And I am very suspicious of the cheap intake so replacing it with the stock intake plus new K&N air filter. And taking a look at the DISA What else do you guys think I should consider?
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