M157 / M278 NGK Laser Iridium Spark Plugs 2012-2015 ML63 AMG M157 - 2019-2023 BMW Z4 sDrive30i

- 2019-2023 BMW Z4 sDrive30i (2

- 2015-2017 S550e

2020-2021 GLS 580

- 2017-2020 C43 AMG

M157 / M278 NGK Laser Iridium Spark Plugs 2012-2015 ML63 AMG M157 - 2019-2023 BMW Z4 sDrive30iNGK Laser Iridium Spark Plugs with a one step colder heat range are essential for optimal performance in tuned M157 and M278 Mercedes Benz engines. Pre gapped at 0. 032", they reduce misfire frequency even in stock vehicles while being critical for maintaining reliable ignition in modified setups. Featuring a platinum disc welded to the ground electrode for durability and trivalent metal plating to resist corrosion and seizing, these plugs deliver