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Old 01-09-2013, 08:06 PM   #20
taibinhvuong
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Join Date: Mar 2006
Location: San Francisco
Posts: 713
My Ride: E46 99' 328i
Quote:
Originally Posted by dmax View Post
OP...check the make of radiator and ET if you can...I really don't think you ought to be sanding down the radiator neck as I'd be concerned that you wouldn't get a good seal afterwards.

Usually with things like this, you'd figure it out 5 mins. after you give up.
If OP found out that indeed it's the slightly thickness of the radiator neck of the aftermarket radiator, what will be your advice to him in this situation? putting in a new radiator?

If you sand the neck carefully little by little with fine sand paper, it won't be problem if you have a decent skill.
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