Hitachi IGC4047 Ignition Coil

Hitachi IGC4047 Ignition Coil for BMW

Hitachi IGC4047 is an ignition coil built for specific BMW applications, including 2006 BMW 323i, 325i, 325xi, 330i, 330xi, 525i, 525xi, 530i, 530xi, and Z4 models built to 04/2006. It is engineered to deliver the electrical energy needed for efficient combustion, steady engine operation, and consistent drivability.

• Direct-fit ignition coil for select BMW 3 Series, 5 Series, and Z4 applications
• High turns ratio design for strong spark output
• Protected circuitry for added durability
• Welded electronic connection points for heat-cycle resistance
• Built with high-quality materials to maintain shape and function under demanding conditions
• OE-approved design focus for vehicle-specific fit and performance

Detailed Product Overview

The Hitachi IGC4047 ignition coil is designed around the needs of modern high-efficiency, high-output engines. By supplying the voltage required for reliable spark generation, this coil supports smooth combustion, stable idle quality, and efficient fuel use. The part number IGC4047 is a practical OE-style replacement for BMW owners servicing ignition-related drivability concerns on the listed 2006 models.

This part cross-references 134047 and 12137523345 for the same application. Compatible BMW coverage includes 2006 BMW 323i, 325i, 325xi, 330i, 330xi, 525i, 525xi, 530i, 530xi, and Z4, with fitment limited to vehicles built to 04/2006. The IGC4047 is also a relevant search term for buyers looking for a BMW ignition coil replacement with OE-focused construction.

Common Issues This Part Can Address

• Engine misfire caused by weak or inconsistent spark output
• Rough idle or hesitation during acceleration
• Hard starting related to ignition coil failure
• Reduced fuel economy from incomplete combustion
• Check engine light conditions tied to ignition coil faults

Installation Notes

Verify the vehicle build date before ordering, since this coil fits 2006 BMW applications only through 04/2006. Confirm the original part number and connector style against the existing coil before installation. For best results, inspect spark plugs and related ignition components at the same time, especially on BMW 325i, 330i, and 530i models where ignition wear can appear together.

Quality Assurance

Hitachi designs this ignition coil with durable materials, welded electrical connection points, and protected circuitry to support reliable operation through repeated heat cycles. The construction reflects OE manufacturer approval standards and vehicle-specific engineering for the listed BMW applications.