DIY: Bleeding BMW M62 Coolant System

Video tutorial on how to bleed the coolant system on a BMW equipped with an M62 (4.4L V8) engine. This procedure applies to a BMW 540i, 740i, 740il, 840i, 840ci, and 840csi. Possibly other BMW models may have a similar procedure as well with other style engines. Distilled water is recommended when mixing coolant for your vehicle as it does not contain any additives which can cause the system to plug up unlike water from the tap. This particular tutorial was done on a 1997 BMW 540i.

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Tools/Supplies Needed:
-coolant
-distilled water
-standard/flat screwdriver

Procedure:
-mix the coolant in your vehicle either 50/50 or 60/40 coolant and water ratio
-while the vehicle is off, add coolant to the reservoir tank, allow coolant to go down and top up when needed
-squeezing some of the coolant hoses will help push air from the system
-once enough coolant is in the system, start the engine and park the vehicle on an incline with the noise of the car being the highest point
-leaving the cap off, run the vehicle
-turn climate control on the highest heat seating with the fan set at mid speed
-allow vehicle to reach full operating temperature and add coolant when necessarily
-once coolant remains at a constant level and vehicle is running at operating temperature for a significant amount of time, turn it off and allow it to cool down
-check coolant to ensure it is at appropriate level
-repeat process if necessary

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Видео DIY: Bleeding BMW M62 Coolant System канала 4DIYers