Bosch OE Fine Wire Double Platinum Spark Plugs feature a platinum firing pin and ground electrode inlay that provide 3X longer service life compared to standard copper plugs
Unique 360 degree, continuous laser welded fine wire platinum firing pin design delivers better corrosion resistance, ignitability, and performance
Nickel-plated rolled threads provide superior resistance to corrosion and do not require anti-seize for installation
Bosch Double Platinum spark plugs are pre-gapped at the factory and ready to install right out of the box - gap adjustment prior to installation not required
Meets or exceeds manufacturer design requirements for OE fit, form, and function for modern gasoline engines
Compatible with select vehicles (Note: engine affects fitment - verify specific fitment details with amazon confirmed fit fit checker above): BMW: 2017-21 230i, 2017-21 230i xDrive, 2016-18 330e, 2016-19 330i, 2017-19 330i GT xDrive, 2017-19 330i xDrive
Compatible with (continued): BMW: 2016-18 340i, 2017-19 340i GT xDrive, 2016-18 340i xDrive, 2017-20 420i, 2018-21 420i Gran Coupe, 2017-20 430i, 2017-20 430i Gran Coupe, 2017-20 430i xDrive, 2017-20 430i xDrive Gran Coupe, 2017-20 440i
Compatible with (continued): BMW: 2017-20 440i Gran Coupe, 2017-20 440i xDrive, 2017-20 440i xDrive Gran Coupe, 2018-20 530e, 2018-20 530e xDrive, 2017-19 530i, 2017-19 530i xDrive, 2017-19 540i, 2017-19 540i xDrive, 2018-19 640i xDrive Gran Turismo