Looking for aftermarket parts to modify or upgrade your 2012 BMW M3 with spark plugs? At Tunersports.com we carry a huge selection of the top name brand performance spark plug parts and accessories.

IN STOCK - LOW 4471Multi-ground electrodes improve ignition capabilities and are less sensitive to increased voltage requirements due to gap growth. Designed to specific manufacturer ignition requirements, NGK's multi-ground plugs maintain all the features of their standard plugs.... NGK Multi-Ground Spark Plug Box of 4 (LKR8AP) 2008-2013 BMW M3 Base $59.71 |

OUT OF STOCK 90465NGK Ruthenium HX is designed for newer engines which demand high ignitability. Double Fine Electrode (DFE) design promotes spark energy concentration and ignites a wider range of air-fuel ratios, offering improved performance in rich or lean engine conditions.... NGK Ruthenium HX Spark Plug Box of 4 (LKR8BHX-S) 2008-2013 BMW M3 Base $66.88 |