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BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Technical Forums > All-Wheel-Drive (Xi / xDrive) Talk > don't be an idiot...like me



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      04-28-2016, 05:00 PM   #1
huckh2o
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don't be an idiot...like me

So I did the oil filter housing job on my wife's 2006 330xi... and i overtightened the coolant flow adjustment screw and heard it snap. It seemed to be secure so I left it in place and figure everything was fine... a few days later she got home from work and I found a large puddle of coolant under the car when I got home. Sure enough it was leaking around the black hex shaped part.

I ordered a new one and it popped right in and secured with a 90degree turn. No leaks now.

If you haven't drained and refilled coolant in this vehicle yet you may want to make a note to hold that black part of the coolant adjustment screw with a wrench to avoid over tightening and breaking those little tabs off.

Heres a picture of the new screw on the left and the old one with broken tabs on the right.



https://drive.google.com/open?id=0B4...GdEajU2a1ZUc1k
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      04-29-2016, 01:25 AM   #2
adidoman
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Quote:
Originally Posted by huckh2o View Post
So I did the oil filter housing job on my wife's 2006 330xi... and i overtightened the coolant flow adjustment screw and heard it snap. It seemed to be secure so I left it in place and figure everything was fine... a few days later she got home from work and I found a large puddle of coolant under the car when I got home. Sure enough it was leaking around the black hex shaped part.

I ordered a new one and it popped right in and secured with a 90degree turn. No leaks now.

If you haven't drained and refilled coolant in this vehicle yet you may want to make a note to hold that black part of the coolant adjustment screw with a wrench to avoid over tightening and breaking those little tabs off.

Heres a picture of the new screw on the left and the old one with broken tabs on the right.



https://drive.google.com/open?id=0B4...GdEajU2a1ZUc1k
Pictures don't work..

Last edited by adidoman; 04-29-2016 at 10:01 PM.
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      04-29-2016, 10:20 AM   #3
huckh2o
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Updated the photo permissions.

The photo link should work now.
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      05-04-2016, 08:51 AM   #4
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Good info!

Thanks for the post, was thinking about doing this at 60k!
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