NGK spark plugs BCPR7ES. Resistor spark plug. 0.8mm electrode gap.
NGK spark plugs BCPR9ES. Electrode gap 1.1 mm. Resistor spark plug that works with almost everything!
Spark plug NGK BCR8ES
Resistor spark plug Works with methanol. Good replacement for older non resistor spark plug.
Fits BMW S50 engine.
