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Description
Racing Thermostat BMW M52/M54/M56 95-06Mishimoto has developed a performance low temp racing thermostat for the BMW M52, M54, and M56 engines. This Mishimoto racing thermostat is ideal for modified engines that demand more from their cooling systems. Our thermostat begins opening 48F (27C) earlier than the stock thermostat to allow coolant to flow into your radiator and begin shedding heat sooner. This thermostat comes pre installed in a durable OEM quality housing and fits many BMWs
Mishimoto has developed a performance low-temp racing thermostat for the BMW M52, M54, and M56 engines. This Mishimoto racing thermostat is ideal for modified engines that demand more from their cooling systems. Our thermostat begins opening 48°F (27°C) earlier than the stock thermostat to allow coolant to flow into your radiator and begin shedding heat sooner. This thermostat comes pre-installed in a durable OEM-quality housing and fits many BMWs including E46, E39, and E85 chassis.
Like all Mishimoto performance products, this BMW M52, M54, and M56 thermostat is backed by our Mishimoto Lifetime Warranty.
- Direct fit for BMW M52, M54, and M56 engines
- Begins opening 48°F (27°C) earlier than stock to let coolant flow through your radiator sooner
- Thermostat pre-installed in OEM-style housing
- Includes thermostat housing gasket
- Mishimoto Lifetime Warranty
- OEM Activation Temp C: 97°C
- OEM Activation Temp F: 206°F
- Install Torque Specs: 7 ft lbs for the four T30 bolts which secure the plastic housing components
- Mishimoto Activation Temp (Fahrenheit): 158°F
- Mishimoto Activation Temp (Celsius): 70°C
- (1) Mishimoto Thermostat w/ Housing and Sensor
- (1) Thermostat Housing Gasket
- Mishimoto Lifetime Warranty
- 2001 - 2005 BMW 320i Base
- 2000 BMW 323Ci Base
- 1999 - 2001 BMW 323i Base
- 1999 BMW 323is Base
- 1999 - 2000 BMW 323ti Base
- 2001 - 2006 BMW 325Ci Base
- 2001 - 2005 BMW 325i Base
- 2001 - 2005 BMW 325xi Base
- 2000 BMW 328Ci Base
- 1999 - 2000 BMW 328i Base
- 1999 BMW 328is Base
- 2001 - 2006 BMW 330Ci Base
- 2005 BMW 330Ci M
- 2001 - 2006 BMW 330i Base
- 2005 BMW 330i M
- 2001 - 2005 BMW 330xi Base
- 2001 - 2005 BMW 525i Base
- 1999 - 2000 BMW 528i Base
- 2001 - 2005 BMW 530i Base
- 2004 - 2006 BMW X3 2.5i
- 2004 - 2006 BMW X3 3.0i
- 2001 - 2006 BMW X5 3.0i
- 2001 - 2006 BMW X5 4.4i
- 2003 - 2006 BMW X5 4.4i Formula 1
- 2002 - 2006 BMW X5 4.4i Lujo
- 2002 - 2006 BMW X5 4.4i Top Line
- 2002 - 2003 BMW X5 4.6is
- 2004 - 2006 BMW X5 4.8is
- 1999 BMW Z3 1.9i
- 2000 BMW Z3 2.0i
- 2001 - 2002 BMW Z3 2.2i
- 1999 - 2000 BMW Z3 2.8i
- 2001 - 2002 BMW Z3 3.0i
- 1999 - 2002 BMW Z3 Coupe
- 1999 - 2002 BMW Z3 M Coupe
- 1999 - 2002 BMW Z3 M Roadster
- 1999 - 2002 BMW Z3 Roadster
- 2003 - 2006 BMW Z4 2.5i
- 2003 - 2006 BMW Z4 3.0i
- 2006 BMW Z4 Coupe 3.0si
- 2006 BMW Z4 M Coupe
- 2006 BMW Z4 M Roadster
- 2006 BMW Z4 Roadster 3.0i
- 2006 BMW Z4 Roadster 3.0si
Note: Vehicle must be equipped with stock plastic thermostat housing (Genuine BMW 11537509227) in order to install this thermostat.The metal pin must be carefully removed from the Mishimoto thermostat with pliers before installed into plastic thermostat housing.
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
- If time is of the essence, please consider selecting expedited delivery for faster service.
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
4.3 ★★★★★
Based on 20 reviews
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Product Reviews
★★★★★ 5
Freezing !
Color: Gray, Size: Queen (U.S. Standard), Set name: Stretchy and Soft
### Product Review: Avolare 2 Pack Cooling Pillow Cases
#### Overview
The Avolare 2 Pack Cooling Pillow Cases are designed to provide a cooler and more comfortable sleeping experience, especially for hot sleepers. Made with Arc-Chill fabric, these pillowcases promise to offer a cooling effect, protect hair and skin, and add a touch of luxury with their soft and silky texture. The pillowcases come in a standard gray color, suitable for standard and queen-size pillows.
#### Material and Design
**Rating: ★★★★★**
The Avolare Cooling Pillow Cases are crafted from Arc-Chill fabric, known for its high Q-max value (>0.5), indicating excellent cooling properties. The material feels incredibly soft and silky to the touch, providing a luxurious feel that enhances sleep quality. The gray color is neutral and versatile, fitting seamlessly with various bedding styles.
The design includes a hidden zipper, ensuring that the pillowcase stays securely on the pillow while maintaining a smooth and sleek appearance. The zipper is discreet and doesn’t interfere with comfort, which is a thoughtful addition to the overall design.
#### Cooling Effect
**Rating: ★★★★★**
One of the standout features of these pillowcases is their cooling effect. The Arc-Chill fabric effectively wicks away heat and moisture, making them ideal for hot sleepers or those living in warmer climates. Users have reported a noticeable difference in temperature, which contributes to a more restful and comfortable night’s sleep. This cooling property is particularly beneficial during the summer months or for individuals who tend to overheat while sleeping.
#### Hair and Skin Benefits
**Rating: ★★★★☆**
In addition to their cooling properties, the Avolare pillowcases are also beneficial for hair and skin. The smooth and silky texture reduces friction, helping to prevent hair breakage and skin irritation. This can be particularly advantageous for individuals with sensitive skin or those prone to hair damage. While the pillowcases are not a cure-all for skin and hair issues, they do contribute positively by creating a gentler surface.
#### Durability and Care
**Rating: ★★★★☆**
The Avolare Cooling Pillow Cases are easy to care for, maintaining their cooling properties and softness even after multiple washes. They are machine washable, which adds to their convenience. However, it is recommended to follow the care instructions carefully to ensure the longevity of the cooling effect and fabric quality.
#### Versatility
**Rating: ★★★★☆**
These pillowcases are designed to fit both standard and queen-size pillows, adding to their versatility. They are perfect for use in any bedroom setting, from master bedrooms to guest rooms, and can be paired with various pillow types and fillings.
#### Pros and Cons
**Pros:**
- Excellent cooling properties ideal for hot sleepers.
- Soft and silky texture is gentle on hair and skin.
- Hidden zipper design for a secure fit.
- Machine washable and easy to care for.
- Versatile fit for standard and queen-size pillows.
**Cons:**
- Cooling effect may diminish slightly with frequent washing.
- Limited color options (only available in gray).
#### Final Verdict
**Overall Rating: ★★★★☆**
The Avolare 2 Pack Cooling Pillow Cases are an excellent choice for anyone looking to enhance their sleeping experience, particularly hot sleepers. The cooling properties of the Arc-Chill fabric, combined with the soft and silky texture, provide a comfortable and luxurious feel. The hidden zipper design adds practicality without sacrificing aesthetics.
While there are minor drawbacks, such as potential diminishing of the cooling effect with frequent washing and limited color options, the overall benefits make these pillowcases a worthwhile investment. If you’re seeking to improve your sleep quality and enjoy a cooler, more comfortable night’s rest, the Avolare Cooling Pillow Cases are definitely worth considering.
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Reviewed in the United States on June 1, 2024
★★★★★ 4
Cool as the other side of the pillow
Color: Gray, Size: Queen (U.S. Standard), Set name: Stretchy and Soft
Good quality and keeps cool on side of pillow. Have to flip pillow for constant cooling is the ok only down side. Love the material as it is very soft and silky feel to it. Doesn't wrinkle over pillow and had some good color options. Easy to clean. Fair price for a good product
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Reviewed in the United States on January 11, 2026
★★★★★ 5
Love!
Color: Blue, Size: Queen (U.S. Standard), Set name: Stretchy and Soft
Awesome cases! They really are cool to the touch. I didn’t sleep hot at all. I have a “cut-out” memory foam pillow, and this stretched around it perfectly. It is flexible enough that it doesn’t impede with the cut out. And while the material is “silky,” it doesn’t slide around the pillow while sleeping on it. The zipper feature is perfect. I washed and dried per the tag instructions and they washed very well. Super happy.
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Reviewed in the United States on April 8, 2026
★★★★★ 5
AMAZING - LOVE THESE!
Color: Blue, Size: Queen (U.S. Standard), Set name: Stretchy and Soft
I've been using these pillow cases for more than 6 months and LOVE them. They are well made, no wrinkling, fraying or wearing out, even with a weekly washing. I love the zippers on them, my pillows fits perfectly in the case and don't constantly escape from the case overnight. They definitely perform as described: they keep me cool at night and don't smell and actually don't make a mess of my hair. I bought an extra one and put it on a pillow I keep close to my body which helps me from overheating during the night. They are a great value for the price, I wish I could get top sheets in the same style as these and I'd be in heaven!
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Reviewed in the United States on March 23, 2026
★★★★★ 3
Cool Pillowcases
Color: Gray, Size: Queen (U.S. Standard), Set name: Stretchy and Soft
These pillow cases are silky soft and cool to the touch. They don’t stay as cool as I would like, however, so I find myself moving around on the pillow to find a cool spot or flipping the pillow over. I have washed them several times and the coolness seems to be diminishing. Still, it’s better than a regular cotton pillow case. The zipper is needed and helps keep the material on the pillow.
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Reviewed in the United States on August 20, 2025