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kook · 01-11-2013, 06:27 PM

In my car both needles stay pretty well permanently glued to the centre of the dial, outside temp goes under 25 and the water temp needle sits slightly left. Get to 40 or so outside, AC on, and the water temp needle will lean just slightly right of centre. Only time when my water needle has risen right up to about 3/4 mark was when it was 44 outside, AC on, stuck in heavy city traffic.
I got my coolant flushed about 20K ago.
If you really want to bulletproof your coolant system head down the Zionsville route. Plenty of guys whot street/track/race with them, and swear by them, (rather than at them)

Guaranteed for life for street or race use...

http://www.zionsvilleautosport.com/s...ode/CCSE46.htm

01-11-2013, 06:27 PM	#5
kook Registered User Join Date: Jan 2013 Location: Perth, Australia Posts: 75 My Ride: E46 M3 View My Garage	In my car both needles stay pretty well permanently glued to the centre of the dial, outside temp goes under 25 and the water temp needle sits slightly left. Get to 40 or so outside, AC on, and the water temp needle will lean just slightly right of centre. Only time when my water needle has risen right up to about 3/4 mark was when it was 44 outside, AC on, stuck in heavy city traffic. I got my coolant flushed about 20K ago. If you really want to bulletproof your coolant system head down the Zionsville route. Plenty of guys whot street/track/race with them, and swear by them, (rather than at them) Guaranteed for life for street or race use... http://www.zionsvilleautosport.com/s...ode/CCSE46.htm __________________ 2005 Le Mans Blue