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General E46 Forum
This is the place to get answers, opinions and everything you need related to your E46 (sedan, coupe, convertible and wagon) BMW!

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Old 02-08-2013, 02:09 PM   #41
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Join Date: Mar 2011
Location: Waterloo,Ontario
Posts: 4,406
My Ride: 323Ci 5 Speed Black
Air in the coolant
I had some problem, fixed by following dermaco's youtube video on coolant bleeding
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Old 12-12-2013, 04:54 PM   #42
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Join Date: Dec 2013
Location: Leicester, U.K
Posts: 1
My Ride: BMW E46 2000 318i
Hi all im new to this forum from the UK. Wondering if anyone can help me please as I have a similar problem....My 2000 e46 (191000 miles - manual) blows out cold heat when idle but warmer air when the car is moving.....I have also noticed that my coolant level drops somewhat (the amount of the narrow part of the ET where the cap fits) but has not gone so low that the car has overheated.This has been going on for abou 2-3 months now. Also my head gasket blew in july 13 but was repaired and so far so good its holding up well. In fact the temp gauge is bang on in the middle. I had thermostat replaced about 4 months ago. ET has been replaced twice (2007 and 2011). Radiator in 2009 and water pump also if i remember correctly. The other day in the parking bay at work i noticed some coolant under the car - not alot but enough to know there is a leak. I checked and could see the splashboard a little wet but could not spot a leak. The next day at work there was somemore coolant under the car - about the same amount. I checked the coolant level and it had dropped, the amount of the narrow part of the ET. There was still coolant in the ET. I drove home and as soon as got home i popped open the lid and could see some leaking under the ET, near that blue plug/screw that u can use to let out coolant. Im thinking that i will prob have a crack in the ET or a leak on/near that blue plug. Any help on this would be greatly appreciated! Thanks guys!
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