320i E90 expansion tank bleed screw

Neve24

New member
Hi guys,

Noticed residue of coolant on the bleed screw of my expansion tank & decided to tighten it.

To my dismay the head of screw sheered off regardless of my gentle touch, seems like it was terribly brittle. This left the threaded shaft section on the tank which I removed after a bit of effort.

Is it possible to buy just the bleeder screw or do I have to change the complete tank?

With regard to the replacement tank, what's the recommendation on:
New Bmw oem part
vs
Aftermarket part
vs
Used part

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ChefDJ

///Member
You can get the screw from BMW, however if you can find an aftermarket copper equivalent, you would be well advised to do so.
 

Neve24

New member
Thanks guys, I called my local dealership & will pick up one this afternoon

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