11537510959 Thermostat 105°C for BMW 3 Series E90 E91 E92 1 Series E81 X1 E84

🌡️ BMW High-Temperature Thermostat (105°C) – OEM 11537510959

Optimize engine operating temperature and fuel efficiency with the
COWIN OEM-Standard Thermostat. This unit (Ref: 11 53 7 510 959)
opens at 105°C and is widely used across BMW 1 Series,
3 Series and X1 platforms, especially for turbocharged petrol engines.

✅ Key Features & Benefits

• High Opening Temperature: 105°C helps reach optimal combustion temperature faster.
• Turbo Engine Ready: Ideal for N43, N45, N46, N52 and related engines.
• OEM Replacement: Direct fit for part number 11 53 7 510 959.
• Fuel Efficiency: Reduces warm-up time and improves economy.

🚗 Vehicle Compatibility

⚙️ Technical Specifications

• Product: Thermostat
• Opening Temperature: 105 °C
• OEM Part Number: 11 53 7 510 959 / 11537510959
• Material: Reinforced Polymer / Metal Flange
• Quality: 100% Tested & Calibrated

🛠️ Installation Note

High-temperature thermostats are commonly used on modern BMW engines.
Always bleed the cooling system thoroughly after installation.
Replace the housing gasket or O-ring to ensure a leak-free seal.

🏭 Why Choose COWIN Auto Parts?

COWIN (Gaoyun) specializes in European compact and executive vehicle cooling systems.
Every thermostat is factory-tested for accurate opening temperature and long-term durability.