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Old 09-09-2011, 01:16 PM   #1
champ0202
2nd Gear Member
 
Join Date: Oct 2004
Location: Brampton
Posts: 92
coolant reservoir crack / Auxiliary fan

Car - e46 99 240,000km

My reservoir tank just burst. Im not sure why or if anyone else has experienced this. I will replace it on the weekend. Im just wondering if anyone has any recommendations on where to purchase coolant and what type of coolant I should use.

Also my rad fan (Auxiliary fan) will not turn off. It just keeps running regardless if the car is running or off. For know I have plugged out the fan and parked the car until I can resolve these issue's. Has anyone repaired this fan? From my understanding there is a black box or relay that can be replaced are their any DIY on this?
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Old 09-09-2011, 01:31 PM   #2
Steve30
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Join Date: May 2008
Location: Scarborough
Posts: 1,714
Blue stuff from the dealer. Mike @ Maranello can hook you up for like $18/jug.
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Old 09-12-2011, 08:08 PM   #3
Daddy
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Join Date: Sep 2004
Location: Markham
Posts: 433
Expansion tank is plastic and becomes brittle over time.

A notorious BMW problem.
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Old 09-13-2011, 12:05 PM   #4
Pierce330
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Join Date: Jan 2008
Location: Ontario, Canada
Posts: 216
Common issue...replaced mine at 120 km...
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