NGK 8196 Spark Plug

NGK Iridium IX Spark Plug for BMW M5

The NGK Iridium IX Spark Plug, part number 8196, is built for drivers who want precise ignition performance and dependable operation. This plug uses an iridium center electrode, a nickel ground electrode, and a copper core to support consistent spark delivery in demanding street applications.

Compatible with 1991-1993 BMW M5 models, this NGK 8196 spark plug is a direct-fit ignition service part for the specified application. The 5/8 hex, flat seat, 0.75-inch reach, and 12 mm thread diameter align with the listed fitment, while the removable nut terminal supports standard ignition connections.

Iridium IX Product Line Details

NGK’s Iridium IX line is focused on fine-wire iridium construction for stable ignition performance and long service life in everyday driving conditions. For BMW M5 owners, that means a spark plug engineered around accurate fitment, reliable combustion, and OE-style serviceability.

Key Features

• Iridium center electrode tip for precise spark delivery
• Copper core center electrode for efficient heat transfer
• Nickel ground electrode with taper-cut tip design
• Pre-gapped at 0.032 inches
• 5000 ohm resistance
• Flat seat design with 12 mm thread diameter
• Manufacturer heat range 6
• Removable nut terminal for common ignition setups

Detailed Description

NGK part number 8196 is a DCPR6EIX Iridium IX spark plug designed for 1991-1993 BMW M5 applications. It combines an iridium center electrode tip with a copper core and nickel ground electrode to support consistent ignition performance and dependable combustion under normal driving and maintenance intervals. The taper-cut ground electrode design and 0.032-inch pre-gap help maintain a stable spark profile when installed to the vehicle’s specified requirements.

NGK has extensive OE supply experience and manufactures ignition components for a wide range of automotive applications. For BMW M5 service work, this spark plug offers the correct dimensions and electrical characteristics for the listed model years, making NGK 8196 a straightforward replacement choice when servicing the ignition system.

This part cross-references Anchor 8196 for the same application.

Common Issues This Part Can Address

• Rough idle caused by worn spark plug electrodes
• Hard starting related to weak ignition output
• Misfire conditions from degraded plug performance
• Reduced throttle response from inconsistent combustion
• Maintenance replacement for worn factory-style spark plugs

Installation Notes and Tips

• Verify the vehicle application before installation: Fits 1991-1993 BMW M5.
• Confirm the plug gap matches the engine specification before use; the listed pre-gap is 0.032 inches.
• Use the correct torque procedure for the 12 mm flat-seat design.
• Inspect ignition wires, coils, and related components during spark plug service.
• Check the removed plug for signs of oil fouling, carbon buildup, or overheating to help diagnose engine condition.

Quality Assurance

NGK is a long-established OE supplier with broad coverage across domestic and import vehicles in North America. Part number 8196 is manufactured to support original-equipment-level fit and performance expectations for the listed BMW M5 applications.