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E46 (1999 - 2006)
The fourth generation 3 Series (E46 chassis) was introduced in 1999 and set the standard for engineering and performance during it's years of production including being named to Car & Driver's 10 best list every one of those years! ! -- View the E46 Wiki |
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#1
03-14-2010, 03:05 AM
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coolant icon lighting up in the **** pit
i have a 2004 325i every time i turn on the heater coolant icon lits up. so i bought some and to my surprise its still pretty full. does anyone have this problem
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#2
03-14-2010, 04:19 AM
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Try bleeding the system when it's at normal operating temperature, with the heater on full hot, fan speed low. Then check the coolant level after it has cooled off and add coolant as necessary. Check out the wiki on this site for the proceedure.
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#3
03-14-2010, 10:33 AM
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Bleed your system.
__________________
_______________Going to Bimmerfest East AND West  Youtube - Electric Fan Swap/Aux Fan Removal - Projector Retrofit - E46 Bulb Guide
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#4
03-14-2010, 11:36 AM
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The reason it comes on with the heater on is because coolant is flowing through the heater core and that takes coolant out of the system. Try filling it at operating temp with heater on full blast OR bleed it as described above.
__________________
 Check out my YouTube Channel for DIY's and other fun stuff HERE Check out my BMWBLOG! Quote:
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