NGK BKR7EIX Iridium Spark Plugs BMW E30 316i 318i M40 M42 M43

Set of 4 NGK BKR7EIX iridium spark plugs with heat range 7, one grade colder than standard BKR6EIX plugs. Designed to dissipate heat more effectively, they are ideal for lightly tuned engines and sporty road or track use.

Heat range: 7 – one grade colder than standard

Thread: M14 x 1.25

Thread length: 19 mm

Hex size: 16 mm

Quantity: 4 spark plugs

Made in Japan

Use colder spark plugs only when required by the engine setup. Not recommended for engines running on E85 fuel.