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NGK 54311 Spark Plug Wire Set
NGK Spark Plug Wire Set for BMW Ignition Service
Restore consistent ignition performance with the NGK Spark Plug Wire Set, part number 54311. Built with blue silicone insulation, tinned copper core material, and noise suppression, this specific-fit wire set is made for select BMW applications and supports reliable spark delivery in demanding engine environments.
Key Features
- NGK Spark Plug Wire Set, part number 54311
- Specific-fit design for select BMW 533i, 635CSi, and 735i applications
- Blue silicone insulation for heat resistance and durability
- Tinned copper core material for stable conductivity
- Noise suppression type included
- 7.00 mm insulation outside diameter
Product Details
NGK Spark Plug Wire Set 54311 is part of NGK’s ignition product line, which draws on decades of OE-focused automotive experience. NGK manufactures ignition components to meet OE standards for durability and operational performance, and this wire set follows that approach with a specific-fit design for the listed BMW models. It is a practical replacement for BMW 635CSi ignition service, BMW 735i ignition maintenance, and BMW 533i vehicles with ignition upgrade requirements. This part cross-references Four Seasons 55713 for the same application.
What It Helps Address
- Misfires caused by worn or damaged plug wires
- Weak spark transfer from coil to spark plugs
- Ignition noise that can interfere with system operation
- Cracked or heat-aged wire insulation
- Rough running or inconsistent engine performance on BMW 635CSi, 735i, and 533i models
Installation Notes and Tips
Verify engine application before installation and match the wire routing to the original layout. Confirm the correct fitment for 1983-1984 BMW 533i with ignition upgrade, 1985-1986 BMW 735i, and 1985-1987 BMW 635CSi; 1988 BMW 635CSi applies to vehicles built to 6/1987. Inspect related ignition components such as spark plugs, distributor cap, and ignition coil during service to avoid repeat faults.
Quality Assurance
NGK is known for OE-oriented ignition engineering and global automotive coverage. Part number 54311 is manufactured to support durability and consistent performance in replacement service for select BMW ignition systems.
| Brand | NGK |
|---|---|
| Part Number | 54311 |
| Position | NGK Spark Plug Wire Set |
| Insulation Color | Blue |
| Insulation Material | Silicone |
| Noise Suppression Type | Yes |
| Core Material | Tinned copper |
| Universal Or Specific Fit | Specific |
| Insulation Outside Diameter | 7.00 |
| Part Number | Rc-euc017 |
| Stock Number | 54311 |
This part fits 8 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 1988 | BMW | 635CSi | 3.5L | L6 | N/A | To 6/1987; NGK Spark Plug Wire Set |
| 1987 | BMW | 635CSi | 3.5L | L6 | N/A | NGK Spark Plug Wire Set |
| 1986 | BMW | 635CSi | 3.5L | L6 | N/A | NGK Spark Plug Wire Set |
| 1986 | BMW | 735i | 3.5L | L6 | N/A | NGK Spark Plug Wire Set |
| 1985 | BMW | 635CSi | 3.5L | L6 | N/A | NGK Spark Plug Wire Set |
| 1985 | BMW | 735i | 3.5L | L6 | N/A | NGK Spark Plug Wire Set |
| 1984 | BMW | 533i | 3.2L | L6 | N/A | with Ignition Upgrade; NGK Spark Plug Wire Set |
| 1983 | BMW | 533i | 3.2L | L6 | N/A | with Ignition Upgrade; NGK Spark Plug Wire Set |
* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
This part directly replaces or is cross-referenced with the following part numbers:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.