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Go Back   Bimmerfest - BMW Forums > BMW Model Discussions > 6 Series > E63 / E64 6 Series (2004 - 2010)

E63 / E64 6 Series (2004 - 2010)
The E63/E64 BMW 6 Series builds on BMW's sporty heritage with aggressive lines and an incredible motor to back the design up. Available in coupe and convertible trims with a standard 4.8 liter engine producing 360 horsepower and 360 lb-ft of torque, the 6-series is a popular choice that exceeds expectations.

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  #1  
Old 12-27-2014, 06:33 AM
rojeho rojeho is offline
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Location: Palm Harbor, FL
 
Join Date: May 2012
Posts: 85
Mein Auto: 330i, Z3 3.0i, 325Ci, 650
No heat after coolant change

I drained the radiator and replaced most of the hoses. I (thought I) followed the TIS direction - key on, temp max, fan low - when refilling. I didn't hear any pumps running when I did this. Car took 1.75 gallons of coolant to fill. Test drove it and got no cabin heat. Any thoughts on a fix?
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  #2  
Old 12-27-2014, 09:17 AM
FredoinSF FredoinSF is offline
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Location: Reno NV & Healdsburg CA
 
Join Date: Nov 2009
Posts: 3,944
Mein Auto: 4 BMWs, 1 Jeep, 1 Vespa
Did you have heater control on max temp when you filled it?
On E46 you put car in accessory mode, heat setting on max temp, fill 50/50 BMW coolant / distilled water, start it and run it a couple of minutes, open bleed screw, top off if required, close bleed screw, voila. Some suggest putting front of the car on ramps / stands in order to have bleed screw at the highest position.
I've read the N62 is self bleeding. I've never changed coolant myself on the 650 so I don't know how the procedure defers, but I can't imagine it would vary much.
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Old 12-27-2014, 05:46 PM
HerbP HerbP is offline
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Location: Georgia
 
Join Date: Jul 2009
Posts: 4,572
Mein Auto: 2005 645Ci & 2007 750Li
Did you remove the bottom radiator hose, & leave the coolant temp sensor unplugged? This would be item 4 on the 1st link. Also check item 8, it is the heater water pump, on the 2nd link. It can keep the heater from working. The last item would be the heater valve, item 6 in the 2nd link. One of these items should fix your problem.

http://bmwfans.info/parts-catalog/E6...m_water_hoses/

http://bmwfans.info/parts-catalog/E6...ose_ihka_high/
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  #4  
Old 01-06-2016, 04:39 PM
mgfranz mgfranz is offline
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Location: Temecula, CA
 
Join Date: Feb 2014
Posts: 200
Mein Auto: E64, E38, Boxster, A4
Did you ever fix this problem? If so, what fixed it?
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