Bosch 0221504465 Ignition Coil

Bosch Ignition Coil for BMW Applications

The Bosch 0221504465 ignition coil is an OE-quality pencil coil built for direct ignition performance in select BMW engines. It is engineered to deliver the correct ignition voltage, consistent spark output, and stable engine operation while helping support fuel efficiency and lower exhaust emissions.

Compatible With 2006 BMW 323i, 325i, 325xi, 330i, 330xi, 525i, 525xi, 530i, 530xi, and Z4 through 03/2006 with Bosch unit applications.

Key Features

• OE-quality Bosch ignition coil for direct replacement use
• Pencil coil design for cylinder-specific ignition systems
• 14-volt electrical specification
• SAE terminal type for proper connection fitment
• Supports strong spark delivery for smoother combustion
• Helps maintain engine performance and emissions control
• Part number 0221504465 for accurate ordering and lookup

Product Details

Bosch Ignition Coil (New), part number 0221504465, is designed for BMW engines that use a pencil-style coil-on-plug ignition setup. Bosch’s OE-focused ignition coil design emphasizes correct voltage delivery and durable spark performance, which helps the engine run more consistently under load and during daily driving. This part is a direct-fit ignition component for select 2006 BMW 323i, 325i, 325xi, 330i, 330xi, 525i, 525xi, 530i, 530xi, and Z4 models built through 03/2006.

This part cross-references BMW 12137594936 for the same application.

Common Issues This Part Can Address

• Engine misfire under acceleration or at idle
• Rough running caused by weak spark output
• Hard starting related to ignition coil failure
• Loss of power from inconsistent cylinder ignition
• Increased fuel use tied to poor combustion efficiency

Installation Notes and Tips

Verify engine build date and Bosch-unit application before ordering, since fitment is limited to vehicles built through 03/2006. Inspect the spark plug well, connector, and terminal condition before installation, and confirm the coil seats fully on the spark plug. For BMW 323i, 325i, 325xi, 330i, 330xi, 525i, 525xi, 530i, 530xi, and Z4 ignition service, replace any damaged coil connectors or worn spark plugs as needed to restore proper ignition performance.

Quality Assurance

Bosch ignition coils are built to OE-level standards for ignition voltage control, spark consistency, and dependable engine operation. The Bosch 0221504465 is a new ignition coil designed for accurate fitment and reliable performance in the listed BMW applications.