BMW E46/E60/E65 Spark Plug ZF 12122158252 FR7KPP332 High Ignition Performance

KLP iridium spark plugs (OEM: 12122158252/FR7KPP332) benchmark BMW E46, E60, E65 factory standards; iridium electrodes resist burn-off, resistance stabilized at 6 kΩ, long-term ignition performance without degradation. Fits post-2000 3 Series, 5 Series, 7 Series and other models; directly improves idle stability and acceleration response. Replacement difficulty is medium; use standard sockets and torque wrench.