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Rogue Engineering has developed a power pulley kit that reduces the drag on specific pulleys while allowing others to remain at their same efficiency. This allows for perfect operation in daily driven vehicles without a hiccup or stutter. However, when the demand for power is requested, the power pulley kit allows for the freed power to become apparent.  The term "power" pulley is a bit of a misnomer. Underdrive pulleys actually free up power by reducing the drag caused by the accessories.  These pulleys are based off a calculated percentage from factory dimensions, so that particular component speeds are safely reduced without affecting their true purpose.

Rogue Engineering Power Pullies are CNC machined from 6061-T6, heat treated aluminum and specially coated with a MIL-A-8625 Type III hard coat anodize finish. This kind of anodizing is not to be confused with a Type II cosmetic anodize finish (typical colors such as red, blue, silver, green, etc.). The hard coat anodize finish actually builds a small surface layer on top of the aluminum, preventing wear.

This part fits the following BMW engines:
S54

This part fits the following chassis:
E46, Z3, Z4

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.

This is a Bosch O2 sensor - also known as a Lambda probe. Bosch is an OEM supplier to BMW.

Position: bank 1, before the catalytic converter (pre-cat).

This item fits the following BMWs:
2006-2010 E60 BMW M5
2006-2010 E63 E64 BMW M6

BMW N62 N73 VANOS Solenoid is essential for maintaining optimal engine performance and efficiency. A failed VANOS solenoid can lead to poor running conditions and a noticeable loss of power. This component plays a crucial role in the variable valve timing system, regulating the flow of oil to the VANOS unit. Ensuring that your solenoids are in good working condition helps maintain smooth engine operation and maximum performance.

• Restores Engine Performance: Replacing a faulty VANOS solenoid can resolve poor running conditions and restore lost power.
• Improves Power Delivery: Ensures optimal valve timing for better throttle response and overall engine performance.
• Prevents Engine Issues: Helps avoid common issues associated with VANOS system failure, such as rough idling and decreased acceleration.
• High-Quality Replacement: Designed to meet OEM specifications for reliable and effective operation.
• Required Quantity: Two solenoids are needed per vehicle to ensure complete functionality.

Ensure your BMW's engine runs flawlessly with the Elring Eccentric Shaft Sensor Seal. This essential component provides a tight seal for the eccentric shaft sensor, effectively preventing oil leaks and maintaining accurate sensor readings. Designed for BMW owners who prioritize engine health and efficiency, this seal is a vital part of keeping your vehicle in top condition.

Key Features:

Exact Match: Crafted to fit precisely with your BMW's eccentric shaft sensor, ensuring a perfect and secure fit every time. Robust Materials: Constructed from premium, resilient materials that withstand wear, extreme temperatures, and chemical exposure for extended durability. Leak-Proof Seal: Expertly designed to prevent oil leaks, safeguarding your engine and ensuring it performs at its peak. Sensor Accuracy: Maintains the integrity of the eccentric shaft sensor, ensuring accurate readings for precise engine timing and optimal performance. OEM Standard: Meets or exceeds OEM specifications, providing reliable and consistent performance. Simple Installation: Engineered for easy installation, allowing for quick replacement with minimal effort, whether by a professional or a DIY enthusiast. Engine Longevity: Protects your engine from oil contamination and potential damage, contributing to the smooth and long-lasting operation of your vehicle. Choose the Elring Eccentric Shaft Sensor Seal to uphold the quality and precision of your BMW's engine. Trust in Elring's expertise to replace your worn-out seal with a high-quality component designed to keep your engine running smoothly and efficiently.