NGK 54212 Spark Plug Wire Set

NGK Spark Plug Wire Set for BMW 325i

The NGK Spark Plug Wire Set, part number 54212, is a specific-fit ignition wire set for select 1988-1991 BMW 325i, 325is, and 325iX applications. Built with blue silicone insulation and a tinned copper core, it is made for stable spark delivery and noise suppression in the ignition system.

Key Features

• Specific-fit spark plug wire set for confirmed BMW applications
• Blue silicone insulation for heat resistance and durability
• Tinned copper core for consistent electrical conductivity
• Noise suppression type: yes
• Insulation outside diameter: 7.00
• NGK part number 54212 / stock number 54212

Product Details

NGK Spark Plug Wire Set 54212 is part of the NGK Spark Plug Wire Set line, backed by NGK’s long history in ignition components and OE-focused manufacturing. This wire set is built to meet the demands of domestic and import vehicles with attention to durability, operational performance, and ignition reliability. For BMW 325i, BMW 325is, and BMW 325iX models from 1988-1991, this specific-fit set supports direct replacement service where correct wire routing and ignition performance matter.

This part cross-references Dorman - HELP 96483 for the same application.

What It Helps Address

• Misfires caused by worn or damaged spark plug wires
• Hard starting related to weak ignition transfer
• Intermittent spark loss under load
• Radio-frequency ignition noise in the electrical system
• Cracked, heat-aged, or deteriorated wire insulation

Installation Notes and Tips

Verify cylinder routing before removal and replace one wire at a time when possible to preserve firing order. Inspect spark plugs, distributor cap, and ignition coil condition during service, since worn ignition components can affect wire performance. Confirm the specific-fit application before installation on 1988-1991 BMW 325i, 325is, or 325iX models.

Quality Assurance

NGK manufactures ignition products to OE-level standards with global automotive experience and a focus on durability and performance. The 54212 spark plug wire set reflects NGK’s ignition specialization for replacement service on BMW 325i applications.