03 r53 spark plugs recommendation
If you haven't changed/reduced the supercharger pulley, go with the OEM plugs, no need to get fancy.
NGK BKR6EQUP (3199) Laser Platinum
Torque: 20 ft/lbs.
If you've changed/reduced the supercharger pulley, go one step cooler...
NGK BKR7EQUP (4285) Laser Platinum
Torque: 20 ft/lbs.
NGK BKR6EQUP (3199) Laser Platinum
Torque: 20 ft/lbs.
If you've changed/reduced the supercharger pulley, go one step cooler...
NGK BKR7EQUP (4285) Laser Platinum
Torque: 20 ft/lbs.
If you haven't changed/reduced the supercharger pulley, go with the OEM plugs, no need to get fancy.
NGK BKR6EQUP (3199) Laser Platinum
Torque: 20 ft/lbs.
If you've changed/reduced the supercharger pulley, go one step cooler...
NGK BKR7EQUP (4285) Laser Platinum
Torque: 20 ft/lbs.
NGK BKR6EQUP (3199) Laser Platinum
Torque: 20 ft/lbs.
If you've changed/reduced the supercharger pulley, go one step cooler...
NGK BKR7EQUP (4285) Laser Platinum
Torque: 20 ft/lbs.




