Bmw genuine radiator coolant drain plug e46 e83 e85 e86 320i 323ci 323i 325ci 325i 325xi 328ci 328i 330ci 330i 330xi x3 2 5i x3 3 0i z4 2 5i z4 3 0i z4 3 0si z4 m3 2 z4 3 0si z4 m3 2 add to cart customer rating.
E46 engine coolant drain plug.
Coolant left in the bottom of the overflow tank is normal if you do not remove the engine drain plug s well as the radiator drain plug.
Does anyone drain coolant from system thru engine drain plug.
Find the engine block drain plug.
I am aware that the radiator has a drain plug but that seems like it would only drain a portion of the system.
On my 325xi it would take a 18 inch extension with swivel socket.
Place the bucket beneath the drain bolt.
Bmw e46 330ci m54 3 0l radiator drain plug.
Usually stripped out after being removed brand.
Look on the exhaust side of the engine block before the front axle.
Leo your bmw s coolant should be blue bmw type sometimes referred to as cool blue common with some merc and volvo spec fluids.
Make sure the radiator isn t too hot then slowly open the radiator cap again with your face pointing in the other direction open and remove the big bottom blue drain plug again loosen the smaller blue drain plug and then loosen the top bleed vent screw again.
Using either a 1 4 ratchet or a larger pivoting head ratchet slightly loosn the 13mm bolt until you can loosen the rest of it by.
Look at the pictures to find out if you re looking at the right bolt.