NGK 48817 Ignition Coil

NGK COP Ignition Coil for BMW Applications

The NGK COP Ignition Coil, part number 48817, is a direct ignition coil built for distributorless ignition systems. It is engineered to meet or exceed OE standards for durability and consistent electrical performance on select BMW models.

With 12-volt operation, a COP (coil on plug) design, and a 3-terminal blade connection, this ignition coil is built for precise fitment on late-model BMW direct ignition setups. The NGK COP Ignition Coil line is developed and tested to support dependable spark delivery under demanding operating conditions.

Key Features

• NGK COP Ignition Coil for distributorless ignition systems
• 12-volt ignition coil with COP (coil on plug) design
• 3-terminal blade connection with female connector and male terminals
• Oil filled: No
• Mounting bracket included: No
• Built for OE-style fit and electrical performance
• Part number 48817 for easy identification

Product Details

NGK ignition coils are manufactured with OE-level standards in mind and are backed by the brand’s long history in ignition components. The NGK COP Ignition Coil line is developed for late-model domestic and import coverage, including BMW 318i, 325i, 525i, 740i, and M3 applications listed below. If you are replacing a failing BMW ignition coil, part number 48817 provides a direct replacement path for vehicles using a direct ignition coil setup.

This part cross-references Delphi GN10335 and Standard Ignition UF-226 for the same application.

Common Problems This Coil Can Address

• Engine misfire under load
• Rough idle or unstable idle speed
• Hard starting caused by weak spark output
• Intermittent ignition performance on direct ignition systems
• Check engine light related to ignition coil faults

Installation Notes and Fitment

Compatible With 1991-1995 BMW 318i, N/A; 1994-1995 BMW 318i, N/A with Direct Ignition Coil; 1991-1993 BMW 318is, N/A; 1994-1995 BMW 318is, N/A with Direct Ignition Coil; 1992-1995 BMW 320i, N/A; 1992-1995 BMW 325i, N/A; 1992-1995 BMW 325is, N/A; 1991-1995 BMW 525i, N/A; 1993 BMW 525iT, N/A; 1994-1995 BMW 530i, N/A; 1994-1995 BMW 540i, N/A; 1993-1995 BMW 740i, N/A; 1993-1995 BMW 740iL, N/A; 1994-1995 BMW M3, N/A; 1994 BMW 840Ci, N/A.

Verify connector style, terminal count, and OE part match before installation. This coil uses a female connector with male terminals and is intended for distributorless ignition systems with COP configuration.

Quality Assurance

NGK develops ignition coils using state-of-the-art manufacturing and rigorous testing in an ISO 17025 accredited laboratory. The brand’s OE legacy and broad vehicle coverage support confident replacement selection for BMW ignition service.