DEI Coolant for BMW 4 Series F32 (2014+)

Keep your BMW's cooling system in top condition with DEI's Radiator Relief™ Cooling System Flush. This concentrated cleansing agent effectively removes rust and mineral deposits from the radiator core and hose lines, restoring efficiency. Additionally, it dissolves oily residue build-up left by old antifreeze and coolant mixtures, ensuring optimal performance. Simple to use and 100% biodegradable, this flush is recommended for use with distilled water to maintain optimum efficiency. Note that it is intended for a complete coolant flush and should not be added to existing coolant.

Benefits:

• Removes rust deposits from radiator core and hose lines
• Dissolves oily residue for improved performance
• Restores cooling system efficiency
• Simple to use
• 100% biodegradable