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Improved Racing BMW N54 Oil Cooler Thermostat – 180F


SKU: C724415 Category:


Enhance Your BMW’s Performance with Improved Racing’s High-Performance Oil Cooler Adapter

Elevate the oil temperature control of your BMW’s N20, N26, N51, N52, N53, N54, N55, or S55 engine with Improved Racing’s state-of-the-art oil cooler adapter. This upgrade is tailor-made to overcome the limitations of the standard oil cooler adapter and the inefficiencies of the original internal flow control valve, ensuring optimal oil temperature regulation.

Improved Racing’s thermostat is engineered for rapid engine warm-up, effectively preventing overcooling while providing full oil cooling capacity when needed. Widely recognized and trusted by professional racing teams worldwide, these thermostats are not only highly dependable but also come with a lifetime warranty and are proudly made in the USA.

Seamless Integration with Factory Oil Cooler and Lines

Opt for the convenient factory oil line adapter to seamlessly integrate with your existing oil cooler lines, offering an easy, plug-and-play installation. For those seeking peak performance, consider replacing the standard oil cooler and lines with a high-grade aftermarket cooler and AN adapter fittings (recommended line size: -10AN).

BMW Factory Oil Line Adapter Compatibility

Important: Certain models, such as most BMW SUVs, utilize water-to-oil heat exchangers. These models require the sealing of coolant supply and return ports and the addition of an external air-to-oil cooler and lines (either factory or aftermarket). Note that the EBW-100 adapter requires an oil cooler for operation.

Broad Application Range

This adapter is specifically designed for a direct fit on any BMW engine with oil filter housing part numbers 11428683206 or 11428642289. Its compatibility spans a vast array of BMW cars and SUVs across all series.

Compatibility extends to all BMW models with the following engines:

  • BMW N20, N26, N51, N52, N53, N54, N55, S55 engines

Customizing Your Application

Some models may require the addition of an external oil cooler. To determine your specific needs, please consult the diagram below.

Direct-fit applications (green circle): Vehicles with the oil cooler manifold circled in green can use the EBW-100 and the optional factory line adapter to maintain the original oil cooler. Alternatively, upgrade to aftermarket oil cooler and/or lines for enhanced performance.

  • Applications requiring an additional oil cooler (red circle): Vehicles with the water-to-oil cool circled in red need these modifications:
  • Seal the coolant feed and return ports at their source.
  • Install an OEM BMW air-to-oil cooler and lines, or opt for aftermarket solutions.
  • Caution: Always equip a cooler. Do not block the inlet and outlet ports of the EBW-100, as this will obstruct oil flow to your engine!

F04b2679 ebw 100 applications b


Port Size
  • 10AN O-ring boss inlet and outlet ports.
  • CNC-machined from 6061-T6 aluminum and MilSpec Type II anodized.
 Parts Included
  • EBW-100 thermostatic oil cooler adapter
  • Replacement OEM-style rubber gasket
  • Mounting Hardware
Country of Manufacture
  • United States of America
  • Lifetime warranty

Additional information

Weight 8 lbs


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Make Model Year
BMW 135i 2008 - 2010
BMW 335i 2007 - 2010
BMW 335is 2011 - 2013
BMW 535i 2008 - 2010