Mosselman N55 Oil Thermostat 85c (Inc. M135i, M235i, 335i & M2)
Mosselman N55 Oil Thermostat 85c (Inc. M135i, M235i, 335i & M2)
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Fitting service at Xatrix, West Yorkshire
We can offer a fitting service for this part. Contact us for a fitting quote.
We highly recommend purchasing the MSL Installation Kit & the MSL Titanium GR5 Hex-Race Bolt Set with this MSL Oil Thermostat
The N54, N55 and S55 engines are no strangers to oil cooling problems, that’s why we recommend installing the MSL Oil Thermostat. The standard oil thermostat will reach around 120 degrees Celsius with a normal driving style. The MSL 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 MSL 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 highly recommended to install the thermostat, especially for cars that are tuned.
The N55 engine is no stranger to oil cooling problems, that’s why we recommend installing the MSL Oil Thermostat. The standard oil thermostat will reach around 120 degrees Celsius with a normal driving style. The MSL 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 MSL 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.
Please Note:
- The Oil Thermostat Installation kit prevents the Oil Thermostat from leaking and is highly recommended when installing the MSL Oil Thermostat. The kit includes 2 x O-ring for the oil hose and 1x rubber oil filter housing gasket. We advise to add it to your order.
- When installing this thermostat, you will need to have an oil change done at the same time.
- 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.
Recommended parts
- 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.
*Not suitable for the 330e/Activehybrid 3 as this model requires the Mosselman S55 Oil Thermostat.
To ensure the part(s) you have ordered fits your vehicle, we run a compatibility check prior to dispatch. We can do this either using your registration number(UK) or the last 7 digits of your VIN. Simply enter your car details prior to checkout.
OTN55.T85
Manufactured by
Mosselman
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