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Old 11-03-2010, 04:48 PM   #6
3rd Gear Member
marks525's Avatar
Join Date: Mar 2009
Location: The boonies
Posts: 503
I changed the heater core myself. If I remember right, the part was around $300. Shops will charge over $1000 to do the job since it's such a pain in the butt.
'07 335i/6 - Addicted to boost
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