Genuine 12120037582 Spark Plug

Overview of Genuine Spark Plug 12120037582 for BMW Vehicles

The Genuine spark plug with part number 12120037582 is designed specifically for a wide range of BMW models. Engineered to meet OEM specifications, this spark plug ensures reliable ignition performance for your BMW 135i, 335i, 435i, 535i, 550i, 640i, 740i, 750i, 760Li, and various ActiveHybrid and X series vehicles.

• Compatible with multiple BMW models including 335i xDrive, 435i Gran Coupe, and X5
• Meets original equipment manufacturer standards for ignition components
• Designed for secondary ignition system applications
• Part number 12120037582 ensures precise fit and function
• Supports optimal engine performance and fuel efficiency

Detailed Description of the Spark Plug 12120037582

This Genuine spark plug is a critical component in the secondary ignition system of select BMW vehicles. It is engineered to provide consistent spark delivery, which is essential for efficient combustion and smooth engine operation. The part number 12120037582 corresponds to a spark plug that fits a broad range of BMW models, including the 135i, 335i GT xDrive, 435i xDrive Gran Coupe, 535i GT xDrive, 640i xDrive Gran Coupe, 740Li xDrive, 750Li xDrive, and the ActiveHybrid 3, 5, and 7 series. Its design ensures compatibility with the ignition system requirements of these vehicles, maintaining engine responsiveness and reducing misfires.

Applications and Common Issues Addressed

• Restores proper ignition timing and spark delivery
• Helps resolve engine misfires and rough idling
• Improves fuel combustion efficiency
• Reduces emissions related to incomplete combustion
• Supports stable engine start-up and acceleration

Installation Notes and Tips

• Ensure the engine is cool before removing old spark plugs
• Use a torque wrench to tighten the spark plug to manufacturer specifications
• Inspect ignition coils and wiring for wear during installation
• Replace spark plugs in sets to maintain balanced engine performance
• Consult the BMW service manual for model-specific installation procedures

Quality Assurance and Warranty Information

The Genuine spark plug 12120037582 is manufactured to meet strict BMW OEM standards, ensuring durability and reliable performance. While specific warranty details may vary, Genuine parts typically come with a limited warranty covering defects in materials and workmanship. Using this spark plug helps maintain the integrity of your BMW's ignition system and supports long-term engine health.