![]() ![]() That way the air escapes much more easily that it can via a tiny bleed screw. I have a much loved and well serviced 2.0l Z 2006 currently on 141,000 miles and still gong strong. However, when refilling a system after changing a rad or whatever, I've always refilled via the top hose before it's refitted to the rad. E85 owners rejoice Rear coolant temperature sensor is. Only one or two tablespoons of coolant will leak out, if any. I've not yet had to raise the front of a BMW to bleed the cooling system. A simple 12pt 7/8in or 22mm socket w/handle, or stubby wrench will do. Do this the engine off but ignition on and heater set to hot.ġ.9's are very easy but sixes can be challenging. When coolant starts coming from the heater matrix stub, refit the hose. If it really doesn't want to know, disconnect that hose from the heater matrix and carefully pour coolant into it, holding it up as high as you can. ![]() It might take 2-3 minutes until the heater starts blowing warm air. Here is the 2007/2008 Z4 (E85 and E86) Service Maintenance Checklist View attachment 2007 Z4 Service Maintenance Checklist.pdf. You're looking for a jet of coolant visible from within the rad cap opening. Light Mode We may earn a commission for products purchased through links on this page menu. Step one is to have the engine running at 2500 rpm with the rad cap off and adding coolant with the bleed screw loose. Become a Site Supporter The Z4 forum is free for everyone to use, however it does cost money to. If you are looking for a competitive deal on car insurance please check out this link for more details, and quote the code Z4-866. Flushing the coolant on a regular basis removes gunk and mineral deposits from your engine, while prolonging the life of your heater core, thermostat, hoses and water pump.What you may have is a big airlock in the heater supply hose that runs from the base of the radiator, along the side of the engine (inlet side) and into the matrix. Chris Knott provide an official Z4-forum insurance scheme, specifically aimed at Z4 owners and members of this forum. If you spill coolant when you flush your Z4, be sure to put down cat litter to soak it up to discard it. The video above shows you where the petcock on your radiator is located, how to flush the coolant / antifreeze and how to burp the system to get the air out of your Z4.Ĭoolant is toxic and animals are attracted to the sweet taste of coolant (antifreeze). ![]() When you flush your coolant, which is antifreeze, on your 2004, you are draining out all of the old dirty coolant and preventing costly radiator and cooling system repair down the road. Like the oil in your Z4, coolant gets dirty over time and loses its ability to cool down your 2.5 liter engine. Turn off the engine and drain the water, fill up the radiator with antifreeze until you have a 50/50 coolant / distilled water mixture and burp the system. go for a short drive (with any remaining coolant you have) to open the thermostat re check level top up as required. Fill up the radiator with distilled water and run the engine. start engine run for a short time and squeeze all the hoses you can to encourage air out of the system. In a matter of seconds, we find a crack on the top of the radiator. What components are likely to be the cause of the leak and how can the leak be traced and identified. My 2004 Z4 3.0L has been dripping coolant for quite some time now. This video shows where the radiator drain plug (petcock) is located on a 2004 BMW Z4. I havent got a manual to hand but I am guessing that in this pic the right hand binnacle furthest yellow light on the right shaped like a tank came on when starting the car a couple of times now, I checked the water levels and the float did not appear to pop out, just bought some antifreeze and it has used about 1 litre to where i can now see th. My water pump failed and was replaced but I am losing Coolant once the thermostat opens. Start your coolant flush by draining the coolant / antifreeze that is in your reservoir, then drain the coolant that is in your radiator by opening the petcock or removing the lower radiator hose. In addition to preventing your car from overheating, coolant / antifreeze also helps lubricate the seals in the water pump and hoses. Coolant / antifreeze also passes through the heater core under your cowl to provide heat to the cabin of your Z4. Coolant / antifreeze circulates through Z4 radiator and engine to maintain the proper temperature. MT94 Member Posts: 174 Joined: Sun 3:01 pm. Learn how to flush the coolant (antifreeze) in your 2004 BMW Z4. Yellow coolant light Discuss problems you have had or are having with your Z4. ![]()
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