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Thermostat
Thermostat

11537601158 Thermostat 103°C for BMW 5 6 Series F10 F11 F06 F12 F13 X3 F25 | N55 N20 Engine

🔧 11537601158 Thermostat | 103°C

Engineered for BMW 5 Series, 6 Series & X3 (F-Chassis).
High-temperature design for N20/N55/N57 engine efficiency.
Reference Part No: 11 53 7 601 158

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🌡️ BMW F-Chassis High-Temperature Thermostat (103°C)

Restore your BMW’s fuel efficiency and emission compliance with the COWIN OEM-Standard High-Temp Thermostat. This unit (Ref: 11537601158) is electronically mapped to open at 103°C. This is critical for modern BMW N20, N55, and N57 engines to achieve the correct air-fuel ratio and prevent ECU fault codes.

✅ Key Features & Benefits:

  • Correct 103°C Rating: Using a standard 80°C thermostat will trigger a Check Engine Light. This unit matches OEM spec.
  • Electronic Map Control: Works with the BMW ECU to regulate temperature based on load and speed.
  • OEM Reference: Direct replacement for part number 11 53 7 601 158.
  • Fix Poor MPG: A worn-out thermostat stuck open causes the engine to run rich, drastically increasing fuel consumption.

🚗 Vehicle Compatibility:

Brand Model Chassis Code Target Engines
BMW 5 Series (Sedan / Touring) F10 / F11 N20, N55, N57
BMW 5 Series Gran Turismo F07 N55, N57
BMW 6 Series (Gran Coupe / Coupe / Conv) F06 / F12 / F13 N55, N57
BMW X3 F25 N20, N52

⚙️ Technical Specifications:

  • Product Name: Thermostat (Map Controlled)
  • Opening Temperature: 103 °C
  • OEM Part Number: 11 53 7 601 158
  • Material: Reinforced Polymer / Metal Flange
  • Quality: 100% Tested

🛠️ Installation Note:

Critical Warning: BMW F-chassis vehicles require a specific bleeding procedure. After replacing the thermostat, fill with coolant and run the engine with the expansion tank cap off. Use ISTA or a scan tool to activate the electric water pump bleed function to remove all airlocks.

🏭 Why Choose COWIN Auto Parts?

COWIN (Gaoyun) specializes in precision German engineering components. We understand the complexities of BMW cooling systems. Our thermostats are calibrated to exact OEM standards to ensure your vehicle runs efficiently and avoids costly diagnostic fees.


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