Bosch 0221503489 Ignition Coil

Bosch Ignition Coil for BMW 318i, 318is, 318ti and Z3

The Bosch Ignition Coil (New), part number 0221503489, is an OE-quality ignition coil built to deliver the correct ignition voltage and a consistent spark. For BMW 318i, 318is, 318ti, and Z3 applications, it supports smoother engine operation, improved fuel use, and lower exhaust emissions.

Key Features

• OE-quality Bosch ignition coil for direct replacement service
• Delivers correct ignition voltage for stable spark output
• Supports long-lasting spark performance under normal operating conditions
• SAE terminal type for factory-style electrical connection
• Voltage rating: 14
• Previously cataloged as Bosch 0221503005

Product Details

Bosch ignition coils are engineered for reliable ignition performance in everyday driving and service replacement applications. This Bosch 0221503489 ignition coil is listed for 1993-1999 BMW 318i, 1994-1997 BMW 318is, 1995-1999 BMW 318ti, and 1996-1998 BMW Z3 models, making it a direct-fit option for BMW ignition coil replacement needs. This part cross-references BMW 12131247281 for the same application.

Common Issues This Part May Address

• Misfire caused by weak or inconsistent spark output
• Hard starting related to ignition coil failure
• Rough idle from unstable ignition voltage
• Reduced fuel economy linked to incomplete combustion
• Increased exhaust emissions from poor ignition performance

Installation Notes and Tips

Verify the terminal style and connector match before installation. Confirm vehicle year and model against the fitment list, including the 1994 BMW 318is from 01/1994 note. Inspect related ignition components for wear or corrosion during replacement to help maintain consistent ignition performance.

Quality Assurance

Bosch manufactures this ignition coil as an OE-quality replacement part for dependable ignition system service. The design focuses on correct voltage delivery, stable spark output, and consistent operation across the listed BMW applications.