Mercedes Benz

Technical Service Bulletin # 170107 Date: 100601 Cooling System - Long Term Coolant Service Information SI B 17 01 07 Cooling Systems June 2010 Technical Service This Service Information bulletin supersedes SI B17 01 07 dated October 2007. [NEW] designates changes to this revision SUBJECT BMW Long-term Antifreeze/Coolant: Maintenance, Repairs, and Replacement Requirements MODEL 2003 E85 (Z4) 2004 and newer, all models INFORMATION The cooling systems for the BMW vehicles listed above must only be filled with a long-term ethylene glycol antifreeze/coolant solution containing corrosion inhibitors that are compatible with aluminum components. Engine Antifreeze/Coolants for BMW vehicles have four basic functions: ^ Help provide sufficient cooling; ^ Help provide the cooling system with protection against winter freeze-ups and summer boilovers; ^ Protect various metals (gray cast iron, steel, aluminum alloys, brass, copper, and solder) against corrosion; and ^ Prevent ex...