Genuine 12120039634 Spark Plug

Reliable Spark Plug for BMW M and X Series Vehicles

The Genuine spark plug with part number 12120039634 is designed specifically for select BMW models, including the M3, M4, M5, M6, M6 Gran Coupe, X5, and X6. This secondary ignition component ensures consistent engine performance and efficient combustion.

• Compatible with BMW M3, M4, M5, M6, M6 Gran Coupe, X5, and X6 models
• Genuine OEM part number 12120039634 for precise fitment
• Secondary ignition spark plug designed for optimal combustion
• Engineered to maintain ignition reliability under demanding conditions
• Direct replacement part to maintain factory specifications

Product Details and Compatibility

This Genuine spark plug (part number 12120039634) is manufactured to meet the exact specifications required by BMW for secondary ignition systems. It is compatible with a range of BMW performance and luxury vehicles, including the M3, M4, M5, M6, M6 Gran Coupe, X5, and X6 models. Using this OEM spark plug helps maintain engine efficiency, smooth idling, and proper fuel combustion, which are critical for the performance-oriented engines in these vehicles.

Common Applications and Problem Resolution

• Restores proper ignition timing and spark delivery
• Resolves engine misfires and rough idling issues
• Improves fuel efficiency by ensuring complete combustion
• Reduces emissions caused by incomplete ignition
• Prevents starting difficulties related to worn spark plugs

Installation Notes and Tips

When installing the Genuine spark plug 12120039634, ensure the engine is cool to avoid damage. Use a torque wrench to tighten the spark plug to the manufacturer’s recommended specifications to prevent over-tightening or under-tightening. It is advisable to inspect the ignition coil and wiring during replacement to ensure overall ignition system health. Always use anti-seize compound sparingly on the threads if recommended by BMW service guidelines.

Quality Assurance and Warranty

This spark plug is a Genuine BMW part, manufactured to meet strict OEM standards for durability and performance. While specific warranty details may vary, Genuine parts typically come with a limited warranty covering defects in material and workmanship. Using this OEM spark plug helps maintain the integrity of your BMW’s ignition system and supports long-term engine reliability.