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      07-13-2012, 03:19 PM   #1
Private First Class
crunchy_frog's Avatar

Drives: 2008 E92 M3
Join Date: Apr 2012
Location: Toronto

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coolant flush on an m3

BMW Toronto has a coolant flush promotion for $149 this month. I was thinking of bringing my car in for this- I have an 08 with 76k km on it and it has not been done yet.
DIY is not an option available for me

thoughts? good idea? waste of money?
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      07-13-2012, 05:13 PM   #2
Got my license back!
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Drives: TransLink
Join Date: Jul 2011
Location: Surrey, BC

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Exclamation As per Mike Miller

The factory coolant change interval used to be every two years. Starting in the late 1990s, BMW lengthened the coolant change interval to every three years, then every four years. As of 2004, BMW says coolant is “lifetime fill.” There was no discernable change in original BMW anti-freeze during this transition, other than who pays for the service during the warranty period.

I recommend changing engine coolant at two-year intervals, using only factory BMW anti-freeze mixed 50-50 with distilled water (reason – BMW anti-freeze is phosphate free, phosphates cause aluminum oxidation, which blocks cylinder head coolant passages and causes head gasket failure, others may claim to be “aluminum safe” or “phosphate free” – make your choice, but I’ve used BMW anti-freeze exclusively in many cars and have never had an aluminum oxidation or head gasket problem)
aFe cold air intake system (stage 2) ▫ Agency Power cat delete/section 2 midpipes ▫ Agency Power exhaust system ▫ Beltronics STiR Plus ▫ BMW M style (ZHP) weighted short shift knob ▫ CIC iDrive ▫ Clutch pedal spring removal ▫ Coding ▫ Evolve-R tune ▫ Laser Interceptor ▫ LUX H8 V3 Angel Eyes ▫ pickyeater334 clutch stop ▫ Rear fog lights (2011 light control switch assembly) ▫ T3 Alpha laser gun protection ▫ Turner Motorsport power pulley kit
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