Pentosin Engine Coolant/Antifreeze — 1.5L (2-Pack)

This two-pack ships two 1.5-liter bottles of concentrate (part number 8114107) for a combined 3 liters — enough to handle a full cooling system flush on most BMW models with fluid to spare for a top-off down the road. As a concentrate, it should be mixed with distilled water (never tap water) to your target freeze protection ratio before filling. Whether you're doing a routine flush, replacing a water pump, swapping a thermostat, or refreshing the coolant after any major cooling system work, having the right product on hand matters.

A practical safety detail worth noting: Pentosin has included a bittering agent in this formulation to discourage accidental ingestion by pets or curious children in the garage environment. It's a small addition that reflects the kind of thoughtful product engineering Pentosin is known for. For BMW owners who refuse to compromise on spec-correct fluids, this coolant is the straightforward, professional-grade choice.