Bosch ZR6SPP302 Spark Plug

Overview of Bosch OE Fine Wire Platinum Spark Plug ZR6SPP302

The Bosch OE Fine Wire Platinum spark plug, part number ZR6SPP302, is engineered for reliable ignition performance in Mini Cooper, Cooper Countryman, and Cooper Paceman models. Designed to meet OE specifications, this spark plug supports efficient combustion and consistent engine operation.

• Platinum center electrode tip for enhanced durability
• Standard ground electrode tip and configuration
• 6000 ohm resistance resistor to reduce electrical interference
• Flat seat type with 12 mm thread diameter and 26.5 mm reach
• Ceramic projected insulator for improved insulation and heat resistance
• Heat range rating of 6 for optimal thermal management
• Hex size of 14 mm for standard installation tools
• Compatible with 4-cycle engines

Detailed Product Features and Specifications

The Bosch OE Fine Wire Platinum spark plug ZR6SPP302 features a platinum center electrode tip that provides enhanced wear resistance and longer service life compared to conventional spark plugs. The ground electrode tip and core materials are composed of nickel-yttrium and copper, contributing to stable electrical conductivity and durability. The spark plug includes a 6000 ohm resistor to minimize radio frequency interference, ensuring smooth operation of vehicle electronics.

This spark plug has a flat seat type and a thread diameter of 12 mm with a reach of 26.5 mm, making it suitable for specific Mini models. The ceramic insulator is projected to improve heat dissipation and prevent misfires. With a manufacturer heat range of 6, it is designed to maintain optimal operating temperature under various driving conditions.

About the OE Fine Wire Platinum Product Line

The OE Fine Wire Platinum line from Bosch is designed to provide precise ignition performance with fine wire platinum electrodes. This product line focuses on durability and consistent spark delivery, which helps maintain engine efficiency and reduce maintenance intervals. The ZR6SPP302 spark plug is part of this line, offering a balance of longevity and reliable ignition for Mini Cooper vehicles.

Applications and Common Issues Addressed

• Replacement for worn or fouled spark plugs in Mini Cooper, Cooper Countryman, and Cooper Paceman
• Helps resolve engine misfires and rough idling
• Improves cold start performance and throttle response
• Reduces electrical interference affecting onboard electronics
• Supports consistent combustion for fuel efficiency

Installation Notes and Tips

When installing the Bosch ZR6SPP302 spark plug, ensure the correct torque is applied to avoid damage to the spark plug or cylinder head. Use a 14 mm socket for installation and verify the pre-gap size of 1 mm before fitting. It is recommended to replace all spark plugs simultaneously to maintain balanced engine performance. Always consult the vehicle’s service manual for specific installation procedures and torque specifications.

Quality Assurance and Warranty

Bosch spark plugs, including the OE Fine Wire Platinum ZR6SPP302, are manufactured to meet strict quality standards and OE specifications. The use of high-grade materials such as platinum and ceramic insulators ensures durability and reliable performance. While specific warranty details may vary, Bosch typically offers coverage against manufacturing defects. Refer to Bosch’s official documentation for warranty terms applicable to this spark plug.