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Mark Hendrikx - Automotive engineer at Mosselman

Advies van onze expert:

Introducing the Mosselman Oil Thermostat N55 Black Edition! Please note that the delivery time for this product is currently 2 to 3 weeks. 

The N55 engine is no stranger to oil cooling problems, that’s why we recommend installing the Mosselman Oil Thermostat. The standard oil thermostat will reach around 120 degrees Celsius with a normal driving style. The Mosselman Oil Thermostat will open at a lower temperature than the standard oil thermostat (at 85 degrees Celsius) and will keep the temperature stable between 95 and 105 degrees Celsius, depending on the car model. Installing the Mosselman thermostat ensures a cooler oil temperature which will result in more stable performance, but above all this improves the reliability of the engine. It is recommended to install the thermostat, especially for cars that are tuned.

The Thermostat is plug-and-play and made out of a solid block of high-grade aluminum at our own facility. It is equipped with a real thermostat, not an always open solution. The oil will still reach the operating temperature at the same time as a stock thermostat.

Note: The Oil Thermostat Installation kit prevents the thermostat from leaking and is highly recommended when installing the Mosselman Oil Thermostat. The kit includes 2 x O-ring for the oil hose and 1x rubber oil filter housing gasket. We advise you to add it to your order.

Mark Hendrikx - Automotive engineer at Mosselman

Mosselman Oil Thermostat N55, Black

  • 20°C Lower Than Stock
    Operating temperature 20°C lower than stock.
     
  • Real Thermostat
    Equipped with a real thermostat, not an always open solution. (for use in hot and cold climates)
     
  • Rock Solid Housing
    Made out of a solid block of high-grade aluminum.
     
  • Quick Installation
    Takes only 30 minutes to install.
     
  • Available in Black or the original Aluminum finish

Technische details

Compatibility Mosselman Oil Thermostat N55 Type Engine
BMW M135i F20/F21 N55
BMW M235i F22 N55
BMW M2 F87 N55
BMW 335i F30/F31 N55
BMW 335i GT F34 N55
BMW 435i  F32/F33 N55
BMW 435i Gran Coupe F36 N55
Note: You will need the N54 Oil Thermostat for the E-Series 135i and 335i with the N55 engine.