NGK 97506 SILZKBR8D8S Spark Plug
Upgraded 2 step colder spark plugs for N54 and N20 and 1 step colder for N55 and S55 BMW engines
We can also regap these plugs if required before posting, please use link below:
https://williamsperformance.co.uk/products/spark-plug-gapping?_pos=1&_sid=64c170341&_ss=r
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
M135
M235
335
435
M2
M3
M4