What is the brand of BMW's original spark plugs?
1 Answers
BMW's original spark plugs are branded as NGK. Additional information: 1. Spark plug characteristics: The thermal characteristics of a spark plug are typically represented by its heat value. 2. Spark plug heat value: This indicates the balance between heat absorption and dissipation at the insulator skirt of the spark plug. A higher heat value means better balance between heat absorption and dissipation. Therefore, hot-type spark plugs have a low heat value, while cold-type spark plugs have a high heat value. Generally, high-power engines with large compression ratios use cold-type spark plugs with high heat values; conversely, low-power engines with small compression ratios use hot-type spark plugs with low heat values. The selection of spark plugs is usually determined by manufacturers through product qualification tests and should not be changed arbitrarily.