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You can make an order over the phone (725)-221-5267 or directly on our website (www.x-ph.com).
We accept Credit cards, Debit cards, Paypal, transfer wires and checks.
Extreme Power House Customer Satisfaction Guarantee. If you do not like it, you can return it. No questions asked.

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Order Link:
https://www.x-ph.com/er-sports-series-oil-cooler-n54-n55/


Highest quality products:
All Evolution Racewerks products are made and manufactured 100% in the United States. products are offered with a limited lifetime warranty and are guaranteed to fit perfectly.

1- Pick the oil cooler finish
2- Option to add a shrouding kit
3- Add a conversion kit if needed. Car without a stock oil cooler will need to add a conversion kit.

Key Features:


Reduces the high oil temperatures that the N54 and N55 engine produces which helps reduce oil breakdown, improving the longevity of your car!
Large 9"x8"x2" (11"x8"x2" with end tanks) Oil Coolers. Factory stock oil cooler 8.75"x4.75"x1"
Over larger capacity than the factory oil cooler!!!350%
Sports Oil Cooler has a total of 144 cubic inches of core! Factory oil cooler has 41 cubic inches.
Available with no finish (silver) or Type III Hard Black Anodizing (for stealth). Hard anodizing helps improve durability of intercooler fins against damage from road debris (rocks).
Enclosed box with venting louvers - protects oil coolers from road debris without sacrificing airflow!
High Quality Goodrich AN Fittings in Black Anodize - NO China made fittings used here.
High End Goodrich Nylon Braided Oil Lines - much better than Stainless Steel braided Oil Lines
Optional Carbon Fiber or Aluminum Shrouding to direct airflow through the oil coolers for improved efficiency.
Includes all hardware needed to install. No need to go hunting for hardware to finish the installation.
Developed under the harsh racing conditions on our 135i Race Car.
Limited Lifetime Warranty.

It's well known that the N54 and N55 engines runs very hot. Turbos that build a lot of heat and a small radiator play into why this engine runs so hot. A quick look at your gauge cluster on your dash after a few minutes of "spirited" driving, you'll notice oil temperatures over 250 degrees. Considering that most cars don't even exceed 230 degrees tells you quite a bit. As oil temperatures get too high, thermal degradation occurs. This is when the oil starts to lose viscosity due to heat and start to break down and becomes more susceptible to "shearing" or oil breakdown. An internal combustion engine like the N54/N55 engine, imparts high shear forces on the motor oil, which is sandwiched between two rotating or sliding forces under load and heat. "Shearing" is when the molecular structure is essentially torn apart by these mechanical shear forces. Lower your operating oil temperature will greatly reduce this. Thus your motor oil is in better shape to protect the bearings in your car's engine, thus improving longevity.

The 135i/335i comes from the factory with a small oil cooler with a core size of 8.75"x4.75"x1" (222mmx121mmx26mm) which comes out to 41 cubic inches of core. The Sports Series Oil Cooler system features a large 11"x8"x2" (280mmx203mmx51mm) oil cooler with a core size of 9"x8"x2" (229mmx203mmx51mm). The Sports Series Oil Cooler comes out to 144 cubic inches of core which is 3.5 times larger than the factory unit each!

The Sports Series Oil Cooler mounts to its own box enclosure. Louvers on the backside of the box enclosure ensures airflow through the oil cooler while protecting the oil cooler from road debris, especially debris kicked up from the front tires. During initial testing, our box enclosure had a big window (open hole) in the back for airflow. However, throughout the race season, it took so much abuse from rocks, tire and other debris kicked up from the front tires that we had to replace the oil coolers on our Time Attack 135i. Thus, instead of a big hole for airflow to flow through, we used louvers instead to protect the back side of the oil cooler. This effectively solved the issue without any affect on performance. Oil temperatures as well as oil temperature deltas stayed the same.

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