Heating and Cooling Thermostats, Housings and Fillers

Mosselman

N54/N55 Oil Thermostat

$319.00

SKU: MSL-E-Series-N54-N55-Oil-Thermostat

In Stock
In Stock
Ships by Jul 30
Free Shipping
30 Days Return
INSTALL DIFFICULTY
DIY PRO SHOP

Easy — 1–2 hours

Description

The Mosselman Oil Thermostat is a high-grade aluminum component designed for BMW N54 and N55 engines. It features a real thermostat, not an always-open solution, and can result in operating temperatures up to 20°C (68°F) lower than stock. The installation is straightforward and takes approximately 30 minutes.

Fitment

Fitment Guaranteed

Don’t gamble
on fit.

Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.

Available on iOS & Android

Specifications

BrandMosselman
Part NumberMSL-E-Series-N54-N55-Oil-Thermostat
CategoryHeating and Cooling

Buy with Confidence

Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

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