Repeat steps 10 through 12.
Bmw e46 engine block coolant drain plug washer.
Disconnect the temp sensor in the lower radiator hose.
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Start the engine and turn the heater switch on to full hot when you are about beginning to add the 2nd quart of water.
Get a catch bucket ready.
Working at the right side of the engine block near the engine mount bracket remove the engine block drain green arrows.
14 let engine cool off and drain all of the coolant this time from the radiator and the expansion tank.
Replace the block bolt use a fresh 14mmx18mm aluminum washer and gently tighten the blue plastic screw.
Clean all spills immediately and rinse the area with water.
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.
Parts 07 11 9 963 225 07 11 9 963 225 07 11 9 963 225 07119963225.
Pull out the clip that holds the expansion tank to the mounting plate.
Genuine bmw coolant drain plug sealing washer for engine block instock ships today.
Look on the exhaust side of the engine block before the front axle.
Just some advice and observations from my coolant flushing experience this weekend.
Place the bucket beneath the drain bolt.
Find the engine block drain plug.
May qualify for free shipping.
After the system is flushed plug the engine block coolant plug back in using a new engine block coolant crush washer.
Add 3 quarts of bmw antifreeze.
You can feed the lower and upper radiator to flush those areas as well.
7 3 with the engine block coolant plug open you can flush out your coolant using a hose.
Allow the coolant to drain into the bucket.
Engines used in the bmw e46 models hold about 8 5 liters of ethylene glycol water mix while m3 e46 models hold 10 liters.
Coolant will drain out a lot.
Once the coolant has stopped dripping reinstall the block drain plug.
Remove the radiator drain plug and drain the coolant.
The engine coolant drain plug is located on the passenger side of the engine block just in front of the exhaust manifold.
Draining and filling your cooling system is not only a maintenance requirement but also a prerequisite of many repairs.
Use a large funnel.
The block drain is a 13mm plug located just below the cylinder two exhaust header.