Denso 673-9330 Direct Ignition Coil

Reliable Ignition Coil for BMW Vehicles

The Denso 673-9330 ignition coil is designed to deliver consistent 12-volt performance for a range of BMW models. This direct ignition coil in gray color ensures precise spark delivery, supporting efficient engine operation and smooth driving experience.

• Direct ignition coil with 12-volt rating
• Gray color for easy identification
• Compatible with multiple BMW models including 325Ci, 330i, 525i, 645Ci, 745Li, X3, X5, and Z4
• Part number 673-9330 for accurate replacement
• Part of Denso's Coil on Plug product line

About the Denso Coil on Plug Product Line

The Coil on Plug product line by Denso features ignition coils designed to mount directly on the spark plug, eliminating the need for spark plug wires. This design improves ignition reliability and reduces electrical losses. The 673-9330 coil benefits from this technology, providing a direct and efficient spark for BMW engines.

Product Details and Compatibility

The Denso 673-9330 ignition coil operates at 12 volts and comes in a gray finish, matching OEM specifications for seamless integration. It is compatible with a wide range of BMW models such as the 325Ci, 325i, 330xi, 525i, 530i, 545i, 550i, 645Ci, 650i, 745i, 745Li, 750i, 750Li, 760i, 760Li, X3, X5, and Z4. This ensures that owners of these vehicles can rely on this coil for proper ignition system function.

Common Issues Addressed by This Ignition Coil

• Engine misfires or rough idling
• Difficulty starting the engine
• Reduced fuel efficiency
• Check engine light related to ignition faults
• Loss of power or hesitation during acceleration

Installation Notes and Tips

When installing the Denso 673-9330 ignition coil, ensure the engine is cool and the battery is disconnected to prevent electrical shock. Remove the old coil carefully to avoid damaging the spark plug or wiring harness. Confirm the coil is securely seated on the spark plug and connectors are firmly attached. Proper installation helps maintain optimal ignition performance.

Quality Assurance and Warranty

Denso ignition coils are manufactured to meet strict quality standards, ensuring durability and reliable operation. The 673-9330 coil undergoes rigorous testing to comply with OEM specifications. Please refer to Denso's warranty policy for coverage details on this part.