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High oil temps are one of the triggers that causes the engine electronics to curtail boost, cut power, and possibly switch to limp mode. The stock oil system was not designed with enough cushion for running more boost. We have seen limp modes come from stock vehicles on the race track. To prevent limp modes and reduced performance, Dinan has developed this oil cooler kit with much more surface area than stock.

The Dinan oil cooler kit fits in the stock location behind the front spoiler on the passenger side of the car. This is an ideal location to maximize the ram air effect from the front bumper. New air ducts and vents into the wheel well help improve air flow. PTFE hoses with race-quality fittings and all hardware are included for install. Some Dinan oil cooler kits can even be used to upgrade cars that never came with an oil cooler. Once you see the Dinan oil cooler side-by-side with the factory cooler, you will understand why it's so much better. The Dinan cooler is bigger in every way - larger capacity, greater surface area, and more cooling tubes.

For over 35 years, Dinan has been America's premier tuning company, pioneering advancements in BMW modification while retaining a focus on balanced performance that preserves the original character and driving feel that a BMW offers. When you install a Dinan part on your car, know that it's not only carefully developed and tested, but that Dinan stands behind it with a four year, 50,000-mile warranty. Dinan believes so fully in their “total package” approach that once your car has been fitted with enough of their parts, they celebrate your conversion from stock to Dinan with an exclusive trunk badge, displayed proudly by BMW enthusiasts everywhere. The oil cooler kit is worth 3 points towards your Dinan badge.

This item fits the following BMWs:
2011-2013 E92 LCI BMW 335i 335xi - Coupe
2011-2013 E93 LCI BMW 335i - Convertible

B

JE Pistons BMW N54B30 Ultra Series Piston - 3.327in Bore (9.5:1 Compression Ratio)

Enhance your BMW N54B30 engine’s performance with the JE Pistons Ultra Series Piston, engineered for those who seek uncompromising power and precision. Featuring a 3.327-inch bore and a 9.5:1 compression ratio, this piston is specifically designed to optimize combustion efficiency and maximize horsepower, making it an excellent choice for both street enthusiasts and competitive racers.

Key Features:

• Precision 3.327-Inch Bore: Tailored for the N54B30 platform, this bore size enhances airflow and combustion, translating to significant gains in horsepower and torque while maintaining engine reliability.
• Balanced 9.5:1 Compression Ratio: This ideal compression ratio allows for responsive throttle performance, making it suitable for various setups, including turbocharged applications where power and efficiency are paramount.
• Ultra Series Forged Construction: Crafted from premium forged aluminum, this piston provides a robust combination of strength and lightweight characteristics, ensuring durability under high-stress conditions.
• Advanced Combustion Chamber Design: The uniquely shaped piston crown promotes efficient fuel atomization and burn, enhancing overall engine performance and reducing the risk of pre-ignition or detonation.
• Engineered for Performance: JE Pistons are known for their commitment to quality, ensuring that each piston meets stringent performance standards for reliability and longevity.

Applications:

• Designed for BMW N54B30 Engines – Ideal for high-performance builds, whether for spirited street driving or competitive motorsport.
• Perfect for enthusiasts looking to boost power in turbocharged or naturally aspirated configurations.

Technical Specifications:

• Bore Size: 3.327 inches, ensuring optimal fit and performance for the N54B30 engine.
• Compression Ratio: 9.5:1, balancing power output with engine safety.
• Material: High-strength forged aluminum, offering superior durability and performance.

This system is constructed of 2.50" diameter, mandrel bent, TIG-welded, 304 stainless steel, brushed finish tubing and uses all factory mounting locations for an approximate 1 hour install time. In recent testing, this exhaust system produced 12 horsepower and 11 lbs. x ft. of torque. This unique system utilizes 3.5" diameter 304 polished laser etched quad tips that fit perfectly in your stock bumper cutouts.

304 Stainless Steel:
This unique exhaust system uses 2.5" diameter 304 stainless steel that is TIG-welded and has a hand brushed finish.

304 Stainless Steel Polished Quad Tips:
3.5" diameter polished tips are used for and aggressive yet sporty look.

Dual Mufflers:
The dual mufflers consist of a single in, dual out, free flowing design, giving an agressive sound at high RPM's, yet maintaining a suttle tone at cruising speeds.

Uses OE Mounting Locations:
This system uses factory mounting locations providing stability and hassle-free installation with no modifications neccessary.

Legality:
This part does not require a CARB EO#