★★★★★ 5
Great product
Amazing product
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Reviewed in the United States on June 9, 2026
Mishimoto BMW M52/M54/M56 Racing Thermostat w/Housing - 70 Deg. C
Marsoni
M251S
Get it in 3 business days with 1 day shipping.
Friday, May 29
Mishimoto BMW M52/M54/M56 Racing Thermostat w/Housing - 70 Deg. CSKU: MMTS E46 99V2 UPC: 840197701133 Mishimoto BMW M52 M54 M56 Racing Thermostat w Housing 70 Deg. C (1999 2006 E46 E39 E85) Mishimoto racing thermostat delivers low temperature performance for BMW M52 M54 M56 engines in E46 3 Series E39 5 Series and E85 Z4 models. It opens at 70C to circulate coolant 48F (27C) sooner than stock 105C units helping modified engines shed heat faster and maintain peak power. Pre assembled in a durable aluminum housing
Quick Dispatch:
Your Mishimoto BMW M52/M54/M56 Racing Thermostat w/Housing - 70 Deg. C orders ship within 1-2 business days.
Delivery Options:
- Standard: 3-7 business days
- Fast: 2-3 business days
- Express: 1-2 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
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4.3 ★★★★★
Based on 1384 reviews
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Product Reviews
★★★★★ 1
The product downer live up to the advertised claim
Washed a side by side section of my 2022 rv with poli prep and simple green. The comparison was tragic. Simple green definitely is a superior product. Don't waste your money.
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Reviewed in the United States on August 19, 2025
★★★★★ 5
Great cleaner for tough stains on fiberglass
This cleaner was recommended by a fellow boater. I was having difficulty cleaning some black streaks on the hull, and dark stains on the water line. After trying several excellent cleansers that have never failed me, I decided to give this one a try. It cleaned up the stains when used as directed and did not damage the finish on the gelcoat.
A good cleaner to have in your arsenal!
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Reviewed in the United States on September 3, 2025
★★★★★ 3
Good product.
I will probably give this product a better review when I use it in the spring. I have used it before and gave it 5 stars. Will have to see how it performs on prepping the surface of my motor home since I have "waxed" it with Poly Glo.
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Reviewed in the United States on December 25, 2020
★★★★★ 5
Shines up RV.
It works
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Reviewed in the United States on March 1, 2026
