$595.00 USD
$595.00 USD












The MMX Performance BMW N54 / N55 / S55 Oil Temperature and Pressure Adaptor is a precision-machined billet fitting that replaces the OE plug on the oil cooler thermostat assembly with a 1/8 NPT port. It is the cleanest, most reliable way to add an auxiliary oil pressure or oil temperature gauge to BMW's twin-scroll and single-turbo six-cylinder engines without modifying the oil pan, sump, or block.
Machined from aircraft-grade T6061 billet aluminum and finished in MMX's signature gloss black anodizing, the adaptor pairs OEM-style fit with a finished, engine-bay-quality appearance. The 1/8 NPT thread accepts virtually any standard automotive oil pressure or oil temperature sensor, giving you accurate, real-time data on what's happening to your oil under load, exactly the information you want when running increased boost, sustained track use, or aggressive street driving.
For tuned and high-output N54, N55, and S55 cars, monitoring oil pressure and temperature isn't optional, it's the difference between catching a problem early and finding out the hard way. This adaptor takes the guesswork out of the installation: no welding, no drilling, no oil pan removal. Just unthread the OE plug, install the MMX adaptor with the supplied seal, and thread in your sender.
Highly recommended for any hard-driven N54-, N55-, or S55-powered BMW used on track or running an increased state of tune.
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$595.00 USD
$595.00 USD
This product can expose you to chemicals such as lead and lead compounds, which are known to the State of California to cause cancer or birth defects or other reproductive harm. For more information, visit www.P65Warnings.ca.gov.
For a complete list of chemicals known to cause harm, visit https://www.p65warnings.ca.gov/chemicals.
Under the federal Clean Air Act (42 U.S.C. §7522(a)(3)), it is illegal to manufacture, sell, install, or use any part that defeats or alters a motor vehicle’s emission control system for use on public roads. Unless a product has received an Executive Order (EO) from the California Air Resources Board (CARB), it is not legal for use or installation on any pollution-controlled vehicle driven on public highways.
Some states have CARB-equivalent or independent emissions laws. Customers are responsible for verifying local regulations before purchasing or installing emissions-related products.
All performance, racing, or competition parts sold by this company are intended solely for off-road, closed-course, or competition use on vehicles that are never registered or used on public highways.
Kies Motorsports, LLC sells and markets these products for lawful use only. We do not condone or authorize the use of emission-control defeat devices or any modification that violates the Clean Air Act or state regulations.