Thread: water pump diy
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Old 09-26-2012, 09:14 PM   #7
kowalzekc
Registered User
 
Join Date: Nov 2010
Location: Minnesota
Posts: 59
My Ride: 99 328i
I just did mine yesturday + the Thermostat (you might as well since your right there). Here is my posing about it with a couple of links:

http://forum.e46fanatics.com/showthread.php?t=946979

The biggest issue is torquing down the bolts. I snapped of the threaded studs for the water pump. Lucky me, I was able to extract it and I just used a bolt of similar length. Also, make sure you check your expansion tank for cracks as I understand it tends to go when the WP does. And if your WP is plastic, get all the pieces if it shattered. Lastly make sure you get the factory replacment as it has a metal impellor. Most that are sold at auto parts store as still plastic and many of the metal after market ones are stamped sheet metal. In my posting you can see the difference between the factory replacment and the cheap aftermarket metal one.

If you have any questions feel free to ask. This is a very easy job and if it wernt for a few minor hiccups, I would have been done it a few hour.

Good luck.
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