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Old 10-19-2012, 01:19 PM   #10
Registered User
Join Date: Mar 2011
Location: Toronto,Ontario
Posts: 4,411
My Ride: M235i 6MT
Originally Posted by ryannel2003 View Post
Waiting for something to go wrong with the cooling system isn't a good idea. These cars are very sensitive to that and if you let the water pump or expansion tank go out, the car will overheat requiring a $2500 headgasket job. The expansion tank, thermostat, and water pump are between $200-$300 and are extremely easy DIY's on these cars. I'm not saying it's going to go out tomorrow, but why risk it? Read up around here on the forums. Search user "E46 Mango" and read up on his cooling system threads. He knows his stuff.
$2500 headgasket job?
323i engine here cost $1000, cheaper to swap it

Last edited by MercForHire; 10-19-2012 at 01:19 PM.
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