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MarcoZandrini · 11-23-2018, 02:12 PM

Always use a 50/50 mix of BMW coolant and distilled water. Why? Chemicals in tap water will leech out of the coolant mix and deposit themselves inside the engine.

11-23-2018, 02:12 PM	#6
MarcoZandrini Major 447 Rep 1,267 Posts Drives: 2018 M240i Join Date: Jun 2017 Location: Virginia iTrader: (0)	Always use a 50/50 mix of BMW coolant and distilled water. Why? Chemicals in tap water will leech out of the coolant mix and deposit themselves inside the engine.
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