Turning up the boost on the N54 can put a strain on your ignition system.
If you are looking for an upgrade that does not require modification of wiring, or additional brackets, look no further than the OEM S55 M3/M4 Ignition coils made by Delphi.
Turning up the boost on the N54 can put a strain on your ignition system.
If you are looking for an upgrade that does not require modification of wiring, or additional brackets, look no further than the OEM S55 M3/M4 Ignition coils made by Delphi.