What kind of coolant for 2004 BMW 745 li?

For a 2004 BMW 745Li, it is recommended to use BMW's proprietary coolant, which is a high-quality ethylene glycol-based coolant specifically formulated for BMW vehicles. You can also use a compatible coolant that meets the BMW specifications, typically labeled as BMW Longlife coolant (usually blue or green). Always ensure to mix it correctly with distilled water if it's concentrated, following the manufacturer's guidelines.