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Maximize the power of your BMW with the N63+ M-Spec Twin Turbochargers. Engineered using state-of-the-art technology and premium materials, these turbochargers deliver a remarkable boost in horsepower and torque, ensuring thrilling acceleration and unmatched responsiveness whether you're on the road or the track. Designed to seamlessly replace factory turbochargers, installation is effortless and guarantees a perfect fit for your N63TU engine. The M-Spec Twin Turbochargers are engineered for enhanced efficiency and reliability even in the most demanding driving conditions, setting new benchmarks in the aftermarket automotive industry.

Key Features:

• 46mm inducer compressor wheels
• 55mm inducer MixedFlow turbine rotors
• Cast Aluminum Turbo Outlet Pipes with Water Methanol Nozzle Bungs
• Upgraded Garrett GT25-specification bearings & rotating assembly
• 750 horsepower rating on high-octane fuel

Elevate your BMW driving experience to new heights with this ultimate performance upgrade.

A common source of oil leaks from the rear of the engine, the rear seal should be replaced whenever the crankshaft is removed or the engine is pulled from the vehicle. This ensures a tight, leak free seal that will last for years to come.

Fits the following BMW engines:
S63 4.4L

For vehicles with an electronic wastegate.

This is a replacement turbocharger for your BMW. Signs of a failing turbo include unusual oil consumption, smoking, increased turbo lag, failure to hold boost, or the vehicle going into "limp mode". To restore the performance of your BMW, be sure to replace any failing turbocharger.

Often an oversight in maintenance, ignition components are also susceptible to wear and tear. Spark Plugs can accumulate carbon, reducing the spark intensity and it's ability to properly ignite the air/fuel mixture, leading to misfires and generally declining performance. Other ignition components, such as coils, boots, wires, caps, and rotors, can also wear out over time due to factors like heat and contamination, preventing the current from reaching the spark plug.

To start over fresh with all new components, we now offer these Ignition Service Kits. Each kit comes with brand new OE quality components, replacing any potential fault points in your ignition system for peak performance!

See kit contents below for a complete list of included components.

• Genuine BMW battery
• Designed for BMW vehicles
• Superior quality and performance
• Ensures peak efficiency

The oxygen sensor is vital to the performance and drivability of your car. The engine computer relies on data from the sensor to make adjustments in engine efficiency and performance. When your BMW oxygen sensor fails, the computer can no longer sense the air/fuel ratio, so it ends up guessing -- resulting in poor performance, poor gas mileage, and increased pollution. Make sure your BMW engine performs as it should, and doesn't use more fuel than it needs to, by simply changing your oxygen sensor today. There is no lifespan on O2 sensors but there are several fault codes that indicate a failed sensor (O2 monitoring, cat efficiency, O2 heating circuit, O2 readiness, and others). The O2 sensor is heated and has a self-calibration feature so once you get the codes or feel performance has suffered, a new sensor is a good starting point to get you back to peak performance. Bosch's Oxygen sensors are high quality and will give you the longest and best performance for the price.

This is the OEM Bosch oxygen sensor for BMW's with the N52, N54, and N55 3.0L engines. This 560mm bank 1 oxygen sensor is mounted after the catalytic converter.

Bosch is one of the largest OEM producers of Genuine BMW and aftermarket parts in the world, providing parts for almost every major automotive manufacturer. Bosch has likely supplied many of the original electrical (and mechanical) parts for your BMW. Thanks to their quality, high durability, and reliability, you should expect a long service life from Bosch products.

As a leading source of high-performance BMW parts and accessories since 1993, we at Turner Motorsport are honored to be the go-to supplier for tens of thousands of enthusiasts the world over. With over two decades of parts, service, and racing experience under our belt, we provide only quality performance and replacement parts. All of our performance parts are those we would (and do!) install and run on our own cars, as well as replacement parts that are Genuine BMW or from OEM manufacturers. We only offer parts we know you can trust to perform!