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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.
This product was last offered at the strikethrough price on
03-26-2026
Made from a synthetic media that allows maximum filtration with minimal flow restriction to satisfy modern oil-hungry engines such as the N54 and N55.
Pro-GUARD D2 Oil Filters are the next generation in oil filter technology. Pro-GUARD D2 Oil Filters deliver increased flow and efficiency that are demanded from performance gas applications. This cartridge style filter comes with a built-in seal for a hassle free installation.
