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Mishimoto's low-temperature racing thermostat for BMW M52, M54, and M56 engines is a performance-focused thermostat pre-installed in an OEM-quality housing. It begins opening 48°F (27°C) earlier than the stock unit to allow coolant flow into the radiator sooner, helping modified engines shed heat more effectively. It fits many BMW chassis including E46, E39, and E85 and is backed by Mishimoto's lifetime warranty.
Mishimoto BMW M52/M54/M56 Racing Thermostat w/Housing - 70 Deg. C
