The N series style coil applies to the following engines: M54*, S54, N14, N18, N20, N26, N52, N54, N55, N62, N63*, N73, N74, S55 and S63*.
*M54: Some M54 applications split coil styles between M or N depending on vehicle production date. Cars produced up to 09/2002 will use the M series style coil whereas vehicles produced after 09/2002 will use N series style coils. Please visually compare / verify correct coil prior to purchase.