- Jack and stands.
- Vessel for draining the coolant.
The following wear parts and consumables are required:
- For topping up - even in the warm season - use only a mixture of antifreeze concentrate and lime-free clean water. It is better to use distilled water so that deposits do not form. Use only antifreeze recommended by BMW.
Attention: To continue driving, you can also fill in clean water, especially in summer. However, at the earliest opportunity, the concentration of the composition should be adjusted with antifreeze.
The drain plug on the engine block requires an A12x15.5 aluminum gasket.
Drain
Disconnect the ground wire from the battery.
Set the heater switch in the passenger compartment to maximum heating power.
Turn the cap of the cooling system slightly to the left and release the pressure in the system. Then unscrew the cover.
Caution: When the engine is hot, open the cover carefully. Danger of injury! When opening, put a rag. If possible, open the cap when the coolant temperature is below +90°C.
Raise the front of the car.
If available, remove the shroud under the radiator.
Place a clean vessel under the radiator and remove the drain plug -arrow- at the bottom of the radiator. You can use a coin to loosen the cork.
Place a container under the engine and open the drain plug -arrow- on the engine block. The plug is located under the exhaust manifold.
Drain the coolant completely.
Caution: Coolant is poisonous and should not be simply thrown away or disposed of with household waste. The address of the nearest point of collection of light waste can be found in the city or village administration.
When draining liquid during repair work, it must be drained into a vessel for further use.
Screw the plug into the motor block with a new gasket and tighten to 50 Nm.
Lightly tighten the drain plug on the radiator. To do this, insert a coin into the slot and tighten by hand.