Karlyn 491W/LOOM Spark Plug Wire Set

Reliable Spark Plug Wire Set for BMW 318i, 318is, 318ti, and Z3

The Karlyn Bremi-STI 491W/LOOM spark plug wire set is designed to meet the ignition needs of select BMW models. Engineered with OEM boot type and color-matched in black, this set ensures compatibility and consistent performance for your vehicle's ignition system.

• OEM boot type for precise fit and secure connection
• Black color for seamless integration with engine components
• Compatible with BMW 318i, 318is, 318ti, and Z3 models
• Part number 491W/LOOM for accurate identification
• Designed to maintain OEM engine specifications

About the Bremi-STI Product Line

The Bremi-STI line by Karlyn focuses on ignition wire and related components that adhere closely to original equipment manufacturer standards. This product line emphasizes durability and fitment accuracy, making it suitable for maintaining the integrity of your BMW's ignition system. The 491W/LOOM spark plug wire set is part of this line, ensuring it meets the specific requirements of the compatible BMW models.

Product Details and Specifications

This spark plug wire set features OEM-style boots that provide a secure and reliable connection to the spark plugs and ignition coils. The black color matches the original wiring harness, maintaining a clean and professional engine bay appearance. Designed specifically for BMW 318i, 318is, 318ti, and Z3 models, the 491W/LOOM part number ensures you receive the correct set for your vehicle’s ignition system. The wires are engineered to meet OEM engine specifications, supporting optimal ignition performance and engine efficiency.

Common Applications and Issues Addressed

• Replacement of worn or damaged spark plug wires in BMW 318i, 318is, 318ti, and Z3
• Resolving misfires caused by faulty ignition wiring
• Improving engine starting and smoothness by restoring proper spark delivery
• Eliminating rough idling linked to ignition wire degradation
• Maintaining OEM ignition system integrity for consistent performance

Installation Notes and Tips

When installing the Karlyn Bremi-STI 491W/LOOM spark plug wire set, ensure the engine is cool to avoid burns. Carefully remove old wires one at a time to prevent mixing connections. Match each wire to its corresponding spark plug and ignition coil terminal, confirming the OEM boot type fits securely. Inspect boots and wire routing to avoid contact with hot or moving engine parts. Proper installation helps maintain ignition system reliability and engine performance.

Quality Assurance and Warranty

Karlyn’s Bremi-STI spark plug wire sets are manufactured to meet OEM standards, ensuring consistent quality and fitment. While specific warranty details are not provided, Karlyn products typically undergo rigorous quality control to support durability and performance in automotive ignition applications.