Quote:
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Originally Posted by saintvilk
Quote:
Originally Posted by Vetracr
I just flushed my 2010 3.0. Drain radiator removing plug on radiator, driver side. Get in car and turn on ignition but do not start car. Put heat on max and fan on minimum. Put your foot down on gas pedal for 10 seconds. Water pump will cycle on and off for about 5 -10 minutes draining block. Replace drain plug and fill with distilled water. Repeat pump purge cycle except this time add water as pump cycles. Repeat process until water is clear, no antifreeze remaining. Fill with 2 liters of BMW antifreeze and then keep refilling during pump cycle with 50/50 mix of antifreeze and distilled water. If you live in a freezing climate I might add 3 liters of antifreeze to start. Take short drive and check coolant level. Refill untill full.
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Thank you very much for the details and instructions,
i was also thinking on using the vacuum fill method do you think i can use it after i drain all coolant ( or water from flush cycle) to refill the system? |
Santvilk, Vetracr has a 30i. In your 35i you have to remove the intercooler, below the radiator, to access the drain plug. Im also not sure of the wisdom of running the purge while draining the block. You can run the pump dry
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2016 340i XDrive, EBII/black, 6 MT, M Sport, Track Handling, Cold Weather, Tech, Lighting, Driver Assistance Plus.
2012 Z4 35i, ED 2/24/2012, Melbourne Red Metallic, Black Leather, Carbon Trim, 6MT, M Sport, CW, PP, PS, NAV, CA.