NGK 94201 SILZKGR8B8S Spark Plug
NGK Replacement OEM spark plug for BMW B58 engine - M140i M240i
 
With the smallest tip diameter available, OE Iridium spark plugs provide superior ignitability and long service life. The iridium/platinum surfaces ensure a slow wear rate, providing stable idle and superior anti-fouling.
Laser-welded iridium centre electrode tip.

Platinum disc welded to backside of ground electrode provides long life
Trivalent metal plating for superior anti-corrosion and anti-seizing
Faster starts and quicker acceleration
Better fuel economy and lower emissions
Best OEM Iridium spark plug available
OEM-approved design#
ITEM SPECIFICS:
Spanner Size : 14.0 mm Bi-Hex
Outer thread : 12 mm
Thread Length : 26.5 mm
Spark Position : 4.7 mm
Connector type :
Material : Iridium
interference Suppression : 5kOhm
Sealing Type : Copper gasket