E46Fanatics - View Single Post - DIY: Stewart Water Pump + Expansion Tank + Coolant Change + 2 Tensioner Pullies

Stinger9 · 11-10-2012, 09:46 AM

Definitely use some lube on that O-ring!
Mistake to put it in dry.

I like silicone O-ring lube, but most use coolant.

11-10-2012, 09:46 AM	#178
Stinger9 Registered User Join Date: Sep 2011 Location: New York Posts: 5,591 My Ride: '04 330Ci View My Garage	Definitely use some lube on that O-ring! Mistake to put it in dry. I like silicone O-ring lube, but most use coolant.