NGK 54274 Spark Plug Wire Set

NGK Spark Plug Wire Set 54274

NGK Spark Plug Wire Set 54274 is a specific-fit ignition wire set built for BMW 325 applications from the mid-1980s. It uses silicone insulation, a tinned copper core, and noise suppression to support stable ignition performance and reduced electrical interference.

Key Features

• Specific-fit spark plug wire set for targeted BMW applications.
• Silicone insulation helps resist heat and maintain flexibility.
• Tinned copper core supports consistent current transfer.
• Noise suppression type helps reduce ignition interference.
• Blue insulation for easy visual identification during service.

Detailed Description

This NGK ignition wire set is engineered for 1984-1988 BMW 325, BMW 325e, and BMW 325es applications, including the 1984 BMW 325e with ignition upgrade. The 54274 part number is also identified by NGK stock number 54274 and part number RC-EUC015. As part of the NGK Spark Plug Wire Set line, it reflects NGK’s long-standing focus on OE-level ignition components for domestic and import vehicles.

This part cross-references Four Seasons 55709 and TYC 700358 for the same application.

What It Helps Address

• Misfires caused by worn or degraded ignition wires.
• Electrical noise that can affect ignition system operation.
• Heat-related insulation breakdown in aging wire sets.
• Inconsistent spark delivery from damaged conductor materials.

Installation Notes and Tips

Verify the vehicle year, model, and ignition configuration before ordering. Fits 1986-1988 BMW 325, N/A. Fits 1985-1987 BMW 325e, N/A. Fits 1986-1987 BMW 325es, N/A. Fits 1984 BMW 325e, N/A, with ignition upgrade. Route each wire to match the original layout and confirm secure terminal engagement at both ends.

Quality Assurance

NGK manufactures premium ignition products to meet OE standards and draws on more than 80 years of automotive experience in ignition engineering.