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Old 01-23-2010, 03:15 AM
Neversaynever Neversaynever is offline
Officially Welcomed to the 'Fest
Location: Massachusetts
 
Join Date: May 2007
Posts: 510
Mein Auto: 2002 525i
On my '02 525, the slow leak was coming from the driver's side of the radiator. Many posts say look at the top of the radiator on the driver's side where the overflow/recirculate hose connects. This area often cracks. Your picture above in the center is exactly the weak area. In my case, all was dry and uncracked at the circulator hose and at the main coolant hose connection. I just had a slow drip coming down the driver's side of the radiator and onto the splash pan underneath. I believe my radiator was simply failing on the side seam after 135k miles and 7 years. The replacement of the radiator, water pump, and hoses was not hard.
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CL
2002 525i 164k
1988 911 Cabrio
1986 911 Coupe (track car)
Greater Boston, MA
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