NGK 94201 Spark Plug

Overview of NGK Laser Iridium High Ignitability Spark Plug 94201

The NGK Laser Iridium High Ignitability Spark Plug 94201 is engineered for precision ignition performance in select BMW and Mini models. Designed to enhance combustion efficiency, this spark plug supports reliable engine operation and consistent power delivery.

• Part Number: 94201
• Brand Line: Laser Iridium High Ignitability Spark Plug
• Center Electrode Tip Material: Iridium for improved ignition
• Ground Electrode Tip Design: Square platinum electrode for high ignitability
• Core Materials: Copper center and ground electrodes for optimal conductivity
• Resistance: 5000 ohms
• Pre-Gap Size: 0.030 inches
• Thread Diameter: 12.00 mm with 26.5 mm reach
• Hex Size: 14 mm bi-hex for installation
• Seat Type: Flat
• Manufacturer Heat Range: 8

About the Laser Iridium High Ignitability Spark Plug Line

The Laser Iridium High Ignitability Spark Plug line by NGK focuses on delivering enhanced ignition performance through advanced electrode materials and design. The use of iridium at the center electrode tip combined with a square platinum ground electrode improves spark efficiency and durability. This line is tailored for vehicles requiring precise ignition timing and consistent spark delivery, such as BMW and Mini models listed for this part.

Detailed Product Description

This NGK spark plug features a copper core for both the center and ground electrodes, which ensures excellent electrical and thermal conductivity. The iridium center electrode tip provides a fine spark that improves combustion efficiency and fuel economy. The square platinum ground electrode tip is designed for high ignitability, supporting stable ignition under various driving conditions. With a resistance of 5000 ohms, this spark plug helps reduce electrical noise and interference. The flat seat and 26.5 mm reach make it compatible with specific BMW and Mini engines, ensuring proper fit and sealing.

Compatible Vehicles and Applications

• BMW 230i, 230i xDrive, 330e, 330i, 330i GT xDrive, 330i xDrive
• BMW 340i, 340i GT xDrive, 340i xDrive, 430i, 430i Gran Coupe
• BMW 430i xDrive, 430i xDrive Gran Coupe, 440i, 440i Gran Coupe
• BMW 440i xDrive, 440i xDrive Gran Coupe, 530e, 530e xDrive
• BMW 530i, 530i xDrive, 540i, 540i xDrive, 640i xDrive Gran Turismo
• BMW 740e xDrive, 740i, 740i xDrive, 740Le xDrive
• Mini Cooper, Cooper Clubman, Cooper Countryman, M240i, M240i xDrive
• BMW X1, X2, X3, X4

Common Issues Addressed by NGK 94201 Spark Plug

• Engine misfires and rough idling
• Reduced fuel efficiency and power loss
• Difficulty starting the engine
• Increased exhaust emissions
• Ignition system electrical interference

Installation Notes and Tips

Ensure the spark plug gap is set to the specified pre-gap size of 0.030 inches before installation. Use a 14 mm bi-hex socket for proper torque application. Confirm the flat seat type matches the engine’s cylinder head design. Avoid over-tightening to prevent thread damage. It is recommended to replace spark plugs in sets to maintain consistent engine performance.

Quality Assurance and Warranty

NGK spark plugs are manufactured to meet strict OEM standards for durability and performance. The Laser Iridium High Ignitability Spark Plug 94201 undergoes rigorous quality control to ensure reliable ignition and long service life. Warranty coverage details should be confirmed with the vehicle manufacturer or authorized NGK distributor.