BimmerHeads high performance 8mm ignition wire set for the M20B25 engine. If you're still running your original 35+ year old ignition wire set, it's time to upgrade! Constructed using BERU connectors and high grade silicon, this wire set was made to meet or exceed OE performance and provide the longest lifespan possible.
These will also fit M20B27 engines but the impulse sensor will not be used. This set replaces Original BMW part number 12121720529.
