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Ships within 48 hours · Estimated delivery Aug 31 - Sep 5
For Your Every Summer RSVP, with Code: SUMMER15
Description
Mishimoto 15-19 BMW M3/M4 Racing Thermostat - 100CThe Mishimoto racing thermostat for the BMW M3 M4 2015+ F8X and G8X is designed to help your cooling system operate at peak efficiency, whether you're cruising to your local car meet or tearing up the track. Our thermostat begins to open 9F (5C) earlier than the stock thermostat at 212F (100C). That allows precious coolant to flow into the radiator and start shedding heat sooner. Couple this thermostat with a Mishimoto performance aluminum radiator

Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
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Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.6 ★★★★★
Based on 1645 reviews
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Product Reviews
★★★★★ 5
Unique Couple Watch Set
It's a well-made pair of watches, perfect for you and a partner or as a gift for your friends!
It comes in a presentable little box that closes magnetically with a heart-shaped white clasp, contrasting the red box, allowing for a highly giftable gift with little effort required when it comes to packaging.
The watches themselves are stunning, with extreme attention to detail everywhere you look, whether it's beveled edges or even a crown emblem on the watch's crown.
The crystal of the watches takes a unique approach and stylistically protrudes from the watch face, resembling a toned-down pavilion and culet of a diamond.
Both watches do a great job pairing each other, and the smaller watch is different from what you'd expect, as there's effort put into its design instead of making a gimmicky downscale of the bigger watch.
Overall, they're a great pair of watches that serve as a great gift for partners to match wristwatches, and my only complaint is the male watch's band size, as out of the box it easily fits around my ankle, although adjusting the links was a breeze thanks to the provided tools.
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Reviewed in the United States on July 31, 2023
★★★★★ 5
Great matching watches
My girlfriend loved them. They go great with alot of different styles and outfits or just for daily use.
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Reviewed in the United States on October 23, 2023
★★★★★ 5
Good all around!!
Color: Dark Brown band & Rose Gold bezel & White dial
So far this is a very nice watch, light, thin, keeps good time, looks nice, nice band, nice price!!
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Reviewed in the United States on April 20, 2026
★★★★★ 5
Good quality
Color: Mesh Strap watch balck blue
Beautiful watch,
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Reviewed in the United States on May 9, 2026
★★★★★ 5
Handsome watch!
Color: Retro Brown band & Black bezel & Blue dial
My 13 year old grandson wanted an “old fashioned” watch so I gave this one to him. He is obsessed with it and wears it every day.
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Reviewed in the United States on May 7, 2026




