Mishimoto · New
Mishimoto BMW M52/M54/M56 Direct Fit Replacement Thermostat w/Housing - 97 Deg. C
MPN MMTS-E46-99E · Store SKU misMMTS-E46-99E
Supplier stock checked 11/7/2026, 10:00:22 PM UTC. Adding a part does not reserve it.
Request a return within 30 calendar days after delivery. New parts must be unopened and unused.
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Product details
Mishimoto has developed a direct-fit replacement thermostat for the BMW M52, M54, and M56 engines. This Mishimoto thermostat is the ideal replacement for your failed stock thermostat. Our thermostat comes pre-installed in a durable OEM-quality housing and fits many BMWs including E46, E39, and E85 chassis. Like all Mishimoto cooling products, this BMW M52, M54, and M56 thermostat is backed by our Mishimoto Lifetime Warranty. Engine coolant thermostat designed to regulate coolant flow and maintain optimal operating temperature. Ensures efficient warm-up, prevents overheating, and supports reliable performance with a precise fit. Thermostat, fits BMW M52/M54/M56 Engines
Manufacturer fitment & guides
Check MMTS-E46-99E against the manufacturer’s application information below.
Part-specific notes
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