EVIL ENERGY EV04374BK Thermostat Housing Bmw 11537549476 3.0L 128I 135I

( Brand: Evil Energy ), ( Manufacturer Part Number: EV04374BK ), ( Part Type: Thermostat Housing ), ( Connectivity Technology: Wi-fi ), ( Model Name: 11537549476 ), ( Temperature Control Type: Thermostatic ), ( Control Type: Touch Control ), ( Control Method: Touch ), ( Finish Type: Shiny ), ( Connectivity Protocol: Bacnet Ms/tp ), ( Style: Classic ), ( Specific Uses For Product: Vehicle Cooling System ), ( Color: Black ), ( Item Shape: Rectangular Or Irregular Shape ), ( Display Type: Backlit ), ( Power Source Type: Battery Powered ), ( Voltage: 230.0 ), ( Mounting Type: Wall Mount ), ( Material: Plastic ), ( State Limitations: Cannot Ship To California ), ( Package Dimensions Lxwxh: 6.42x5.79x4.65 Inches ), ( Weight: 1.04 Pounds )

Review EVIL ENERGY Thermostat Housing Assembly Compatible Bmw 3.0l

The **Evil Energy EV04374BK Thermostat Housing** is a high-performance, precision-engineered replacement part designed specifically for BMW 3.0L inline-six engines found in the iconic **E46 128i and 135i models**, as well as select variants of the **E90 330i**. Crafted from durable **black anodized aluminum**, this thermostat housing is built to withstand the extreme thermal and mechanical stresses of high-performance applications while maintaining optimal cooling efficiency. The housing features a **tight-sealing gasket interface** to prevent coolant leaks, ensuring reliable operation even under aggressive driving conditions or modified engine setups. Its **threaded mounting design** aligns perfectly with the stock installation points, allowing for a seamless fit without the need for modifications, though it is recommended to inspect the surrounding components for wear or damage during installation. This thermostat housing is particularly well-suited for enthusiasts looking to upgrade their cooling system, whether for daily driving, track use, or forced induction applications, as it helps regulate engine temperature more effectively than the stock unit. Built to meet or exceed OEM specifications, the **EV04374BK** is a trusted choice among BMW performance tuners and restorers, offering both durability and performance-enhancing benefits.

### **Pros and Cons of buying a Evil Energy EV04374BK Thermostat Housing (Part #11537549476 for BMW 3.0L N54/N55 128i/135i)**

1. **OEM Replacement Quality** The Evil Energy thermostat housing is designed to match the original BMW specification, ensuring proper fitment and functionality. It is built to the same standards as OEM parts, reducing the risk of premature failure.

2. **Durability and Reliability** Evil Energy is a well-regarded aftermarket brand known for producing high-quality, long-lasting components. The thermostat housing is made from durable materials that can withstand the thermal cycling and pressure of an engine bay.

3. **Compatibility with N54/N55 Engines** This part is specifically engineered for BMW s 3.0L twin-turbocharged (N54/N55) engines found in the 128i and 135i models. It should integrate seamlessly without requiring modifications.

4. **Improved Cooling Efficiency** A properly functioning thermostat housing helps regulate engine temperature, preventing overheating and extending engine life. If the original housing was failing, this replacement can restore optimal cooling performance.

5. **Ease of Installation** The part is designed for straightforward installation, though some mechanical skill may be required. Evil Energy parts often come with clear instructions, and the design minimizes the need for customization.

6. **Warranty and Support** Evil Energy offers warranties on their products, providing peace of mind in case of defects. Their customer service is generally responsive, which can be helpful if issues arise post-installation.

7. **Cost-Effective Alternative to OEM** While not as cheap as the absolute lowest-priced aftermarket parts, Evil Energy strikes a balance between quality and affordability compared to buying a brand-new OEM thermostat housing from BMW.

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1. **Aftermarket Brand Reputation Concerns** While Evil Energy is reputable, some buyers may still prefer OEM parts for absolute confidence in longevity and compatibility. There is a slight risk of quality inconsistencies compared to factory parts, though this is rare with Evil Energy.

2. **Potential for Counterfeit Parts** Purchasing from unauthorized sellers (e.g., third-party marketplaces without verification) could result in counterfeit or substandard replicas. Always buy from trusted dealers or directly from Evil Energy s official channels.

3. **Limited Customization** Unlike some high-performance aftermarket parts, this thermostat housing is not designed for tuning or aggressive cooling modifications. It is a direct replacement, not an upgraded performance part.

4. **Installation Complexity** While not overly difficult, replacing a thermostat housing may require draining coolant, removing the radiator, and accessing the engine bay. Inexperienced DIYers might find it challenging, and professional labor could add to the cost.

5. **Compatibility with Modded Engines** If the engine has been heavily modified (e.g., aggressive turbo upgrades, forced induction, or high-performance cooling systems), the stock thermostat housing may not be sufficient. In such cases, a performance-oriented housing might be needed.

6. **Potential for Leaks** If the gasket or seals are not properly seated during installation, coolant leaks could occur. This is a risk with any thermostat housing replacement, regardless of brand.

7. **Limited Availability of Spare Parts** If the housing fails again after installation, sourcing a replacement might be easier with OEM parts, though Evil Energy should still be available through their network.

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The **Evil Energy EV04374BK thermostat housing** is a strong aftermarket alternative to OEM parts for BMW s N54/N55 3.0L engines. It offers a good balance of quality, durability, and compatibility while being more affordable than OEM options. For most drivers seeking a reliable replacement without the premium price of factory parts, this is an excellent choice.

However, if you prioritize absolute longevity, prefer OEM-level support, or have a heavily modified engine, an OEM thermostat housing or a performance-oriented aftermarket part might be worth the extra cost. Always ensure you purchase from a trusted source to avoid counterfeit products.

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- **Buy from Evil Energy s official website or a reputable BMW/aftermarket parts dealer** to guarantee authenticity.

- **Follow installation instructions carefully**, especially regarding gasket sealing and coolant refill.

- **Monitor engine temperature** post-installation to confirm proper function.

- **Consider professional installation** if you lack experience with engine bay work.

- **Pair with high-quality coolant and a radiator flush** if the system hasn t been serviced recently.

**Final Verdict:** **Highly recommended** for most owners needing a reliable, cost-effective replacement for a failing thermostat housing in their BMW 3.0L N54/N55 engine.

Details:

Fitment Engine coolant thermostat housing compatible with 2006 BMW 325i 325xi 330i 330xi, 2008 528xi 535xi, 2006 - 2007 525i 525xi 530i 530xi, 2006 2016 Z4, 2007 - 2008 328xi 335xi, 2007 2010 335i X3, 2007 2013 328i, 2008 2010 135I 528i 535i, 2008 2013 128I, 2009 2010 drive 3.0L 535i drive, 2009 2013 328i 2011 1 Series M, 2011 2013 335is, Operating temperature The kit opening temperature: 206.6 F/97. Function Thermostat housing can reduce engineer wear, deposits by adjusting the amount of coolant into radiator until engine works in a suitable temperature. Package Contains: Thermostats x 1, Rubber Gasket 1,Plastic Housing Nitrite gloves Vital engine, your vehicles cooling system prevents engine overheating while the vehicle is running.The exhaust not only cool down but it also warm up.

To make your card engine last longer by installing this thermostat as it will reduce wear, deposits and emissions working on the principle of keep at appropriate temperature changing way coolant is circulated. Replace OE Part Number, 1430826, 256201, 256202, 41008697D0, QTH640K, TM1497, TH39797, TH698497J, V20991277, 11-53-7-549-476, G4002-282254.

part #: ev04374bk prices

• $18.99-$30.00

specifications mixedtoolsetse:

• brand: Evil Energy
• mpn: Ev04374bk
• part type: Thermostat Housing
• connectivity technology: Wi-fi
• model name: 11537549476
• temperature control type: Thermostatic
• control type: Touch Control
• control method: Touch
• finish type: Shiny
• connectivity protocol: Bacnet Ms/tp
• style: Classic
• specific uses for product: Vehicle Cooling System
• color: Black
• item shape: Rectangular Or Irregular Shape
• display type: Backlit
• power source type: Battery Powered
• voltage: 230.0
• mounting type: Wall Mount
• material: Plastic
• state limitations: Cannot Ship To California
• package dimensions lxwxh: 6.42x5.79x4.65 Inches
• weight: 1.04 Pounds

returns mixedtoolsetse:

• time: 14 Days
• method: Money back
• paid by: Seller
• policy: Returns Accepted

payments mixedtoolsetse:

• credit card: Visa
• wallet: Apple-pay
• other

offer mixedtoolsetse:

• sold: 0
• started: April 20, 2026
• quantity: 2
• availability: In Stock
• options: Ship-to-home

shipping mixedtoolsetse:

• transit: 4-10 Days
• cost: $0.00
• class: Standard
• type: Fixed
• service: Standard

general mixedtoolsetse:

• Tools Workshop Equipment > Hand Tools > Hand Tool Sets
• condition: New

seller mixedtoolsetse:

• city: Lathrop, California
• # reviews: 1140
• rating: 99.0%

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