OE Quality
60-Day Returns

NGK 1208 Spark Plug
NGK Laser Iridium Spark Plug Overview
The NGK Laser Iridium Spark Plug 1208 is engineered for precision ignition performance in select BMW models. Designed with advanced materials and specifications, this spark plug supports efficient combustion and reliable engine operation.
- Iridium center electrode tip for enhanced durability
- Copper core center electrode for optimal conductivity
- Standard ground electrode with nickel core material
- Non-removable nut electrical terminal type
- Pre-gap size of 0.044 inches for precise spark delivery
- Tapered seat type and 14mm thread diameter
- Compatible with multiple BMW models including 3 Series, 5 Series, X3, X5, and Z4
Detailed Product Features and Specifications
The NGK Laser Iridium Spark Plug 1208 features a 5000 ohm resistance rating to reduce electrical noise and protect sensitive vehicle electronics. Its single ground electrode with a standard design and nickel core ensures consistent spark grounding. The center electrode combines a copper core for excellent heat dissipation with an iridium tip that offers a longer service life compared to conventional plugs. The spark plug’s pre-gap is set at 0.044 inches, optimized for efficient ignition in BMW engines. With a 5/8 inch hex size and 26.5 mm reach, it fits securely in the combustion chamber. The tapered seat type and 14 mm thread diameter match OEM specifications for proper sealing and fitment.
About the NGK Laser Iridium Spark Plug Line
The Laser Iridium Spark Plug line by NGK is designed to provide precise ignition performance and durability. Iridium tips offer improved wear resistance and consistent spark over time, which is critical for maintaining engine efficiency and emissions standards. This product line is suitable for vehicles requiring high-quality ignition components, such as the BMW models listed for part number 1208.
Compatible BMW Models and Applications
- BMW 323i, 325i, 325xi, 328i, 328xi
- BMW 330i, 330xi
- BMW 525i, 525xi, 530i, 530xi
- BMW X3, X5
- BMW Z4
Common Issues Addressed by NGK Laser Iridium Spark Plug 1208
- Engine misfires and rough idling
- Poor fuel efficiency and increased emissions
- Difficulty starting the engine
- Reduced engine power and acceleration
- Ignition system electrical interference
Installation Notes and Tips
Ensure the spark plug gap is set to the specified 0.044 inches before installation if adjustment is necessary. Use a torque wrench to tighten the spark plug to the manufacturer’s recommended torque to avoid damage to the tapered seat. The non-removable nut terminal type requires compatible ignition wiring connectors. Inspect the spark plug threads and combustion chamber for debris before installation to ensure proper fit and sealing.
Quality Assurance and Warranty
NGK spark plugs are manufactured to meet strict OEM standards for fit, form, and function. The Laser Iridium Spark Plug 1208 undergoes rigorous quality control to ensure consistent performance and durability. While specific warranty details are not provided here, NGK products typically come with manufacturer-backed quality assurance to support reliable operation in compatible BMW vehicles.
| Brand | NGK |
|---|---|
| Part Number | 1208 |
| Position | Laser Iridium Spark Plug |
| Center Electrode Core Material | Copper |
| Center Electrode Tip Material | Iridium |
| Electrical Terminal Type | Non-Removable Nut |
| Ground Configuration | Standard |
| Ground Electrode Core Material | Nickel |
| Ground Electrode Quantity | 1 |
| Ground Electrode Tip Design | Standard |
| Hex Size | 5/8 |
| Insulator Height | 50.50 |
| Manufacturer Heat Range | 6 |
| Part Number | ILZFR6D11 |
| Pre-Gap Size | .044 |
| Reach | 26.5 |
| Resistance | 5000 |
| Seat Type | Tapered |
| Stock Number | 1208 |
| Thread Diameter | 14.00 |
This part fits 20 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2007 | BMW | 323i | 2.5L | L6 | N/A | Gap 0.044"; Actual OE Manufacturer; 100,000 mi OE Mfr Recommended Service Interval; Laser Iridium Spark Plug |
| 2007 | BMW | 328i | 3.0L | L6 | N/A | Spark Plug Gap is 0.044 inches per OE specifications.; Laser Iridium Spark Plug |
| 2007 | BMW | 328xi | 3.0L | L6 | N/A | Spark Plug Gap is 0.044 inches per OE specifications.; Laser Iridium Spark Plug |
| 2007 | BMW | 525i | 3.0L | L6 | N/A | Spark Plug Gap is 0.044 inches per OE specifications.; Laser Iridium Spark Plug |
| 2007 | BMW | 525xi | 3.0L | L6 | N/A | Spark Plug Gap is 0.044 inches per OE specifications.; Laser Iridium Spark Plug |
| 2007 | BMW | 530i | 3.0L | L6 | N/A | Spark Plug Gap is 0.044 inches per OE specifications.; Laser Iridium Spark Plug |
| 2007 | BMW | 530xi | 3.0L | L6 | N/A | Spark Plug Gap is 0.044 inches per OE specifications.; Laser Iridium Spark Plug |
| 2007 | BMW | X3 | 3.0L | L6 | N/A | Gap 0.044"; Actual OE Manufacturer; 100,000 mi OE Mfr Recommended Service Interval; Laser Iridium Spark Plug |
| 2007 | BMW | X5 | 3.0L | L6 | N/A | Gap 0.044"; Actual OE Manufacturer; 100,000 mi OE Mfr Recommended Service Interval; Laser Iridium Spark Plug |
| 2007 | BMW | Z4 | 3.0L | L6 | N/A | Gap 0.044"; Actual OE Manufacturer; 100,000 mi OE Mfr Recommended Service Interval; Laser Iridium Spark Plug |
| 2006 | BMW | 323i | 2.5L | L6 | N/A | Gap 0.044"; Actual OE Manufacturer; 100,000 mi OE Mfr Recommended Service Interval; Laser Iridium Spark Plug |
| 2006 | BMW | 325i | 3.0L | L6 | N/A | Gap 0.044"; Actual OE Manufacturer; 100,000 mi OE Mfr Recommended Service Interval; Laser Iridium Spark Plug |
| 2006 | BMW | 325xi | 3.0L | L6 | N/A | Gap 0.044"; Actual OE Manufacturer; 100,000 mi OE Mfr Recommended Service Interval; Laser Iridium Spark Plug |
| 2006 | BMW | 330i | 3.0L | L6 | N/A | Spark Plug Gap is 0.044 inches per OE specifications.; Laser Iridium Spark Plug |
| 2006 | BMW | 330xi | 3.0L | L6 | N/A | Spark Plug Gap is 0.044 inches per OE specifications.; Laser Iridium Spark Plug |
| 2006 | BMW | 525i | 3.0L | L6 | N/A | Spark Plug Gap is 0.044 inches per OE specifications.; Laser Iridium Spark Plug |
| 2006 | BMW | 525xi | 3.0L | L6 | N/A | Spark Plug Gap is 0.044 inches per OE specifications.; Laser Iridium Spark Plug |
| 2006 | BMW | 530i | 3.0L | L6 | N/A | Spark Plug Gap is 0.044 inches per OE specifications.; Laser Iridium Spark Plug |
| 2006 | BMW | 530xi | 3.0L | L6 | N/A | Spark Plug Gap is 0.044 inches per OE specifications.; Laser Iridium Spark Plug |
| 2006 | BMW | Z4 | 3.0L | L6 | N/A | Gap 0.044"; Actual OE Manufacturer; 100,000 mi OE Mfr Recommended Service Interval; Laser Iridium Spark Plug |
* 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.