00 00 ... Checking coolant level In event of topping up: checking concentration
WARNING: This page is about a different car, the 2002 BMW Z3 and 2001 BMW Z3. However, it is still accessible from the selected car via links, so may be relevant.
Check coolant level in expansion tank. Coolant level must be between Min. and Max. markings.
If necessary, top up coolant to max. fill level.
Check concentration with antifreeze tester (SWZ) in coolant expansion tank.
If necessary, drain differential quantity from radiator drain plug and top up with recommended coolant. .