Repair tip: After major cooling system work or major coolant loss, before refilling the system, I recommend turning the temp for both sides to 90 and turning the fan speed to low with the key on. Then refill. This will open the heater core and operate the auxiliary water pump. You'll get air bubbles out of the cooling system faster and also prevent air bubbles in the heater core.

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Olympic Peninsula, WA, USA
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2005 Mini Cooper 100k, British Racing Green/Silver-Black
04/2002 4.6is 140k, Silver/Black-Alcantara *FOR SALE*
1989 325iX 270k, Diamond Black/Black
1984 318i 370k *SOLD* (First Bimmer)
Honorable Mentions: '71 2002, '87 325, '90 325ic, '92 525it, '93 325i, '94 530i