E46Fanatics - View Single Post - E46 COOLING SYSTEM GUIDE - overheating/coolant/etc
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Old 10-28-2012, 09:39 AM   #626
Registered User
Join Date: Jun 2002
Location: DE
Posts: 319
My Ride: 2002 330 CiC
I've had the car since new. Past maintenance has only been coolant replacement, so everything is 10 years old (with 60k miles). I was planning on Expansion tank and belts at minimum.

I guess my question boils down to:

1. which cooling system components sometimes fail at relatively low mileage?

2. which parts are likely to fail just from age (eg, non-moving parts, plastic, rubber)?

3. are there any components on a prefacelift ci manual should be upgraded due to inherent design flaws?
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