There is one blue plug under the radiator but even by opening that plug and also radiator s cap and bleeding screw all of the coolant would not drain completly.
Bmw e46 coolant drain plug location.
I think there should be another plug or another trick b please help me if you have any idea or experince.
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Does anyone know how to drain all coolant from bmw e46 318i m43.
Coolant drain plug location.
Working at right side of engine block near engine mount bracket remove the engine block drain plug.
I take a close look at the radiator drain plug system on my 1 series bmw.
Normally a coolant flush is a straightforward process.
Bmw e60 e61 how to drain coolant antifreeze cooling system 520i 523i 525i 528i 530i 535i 540i 550i 520d 525d 530d 535d check out our website.
Remove a couple drain plugs to let the old coolant drain out put the plugs back in and refill the coolant.
Thus if you intend to keep your bmw long term annual coolant flushes are advised.
E46 1999 2006 thanks for your replies guys.
In fact that is the case on pre 96 vehicles.
See links to purchase parts and tools below the bmw blogs are wrong.