Ignition Wire Set, Bank 1, BMW - E31 850i/850CSi

This part is listed by BMW as BMW part number 12121733010 (12 12 1 733 010) and is described as the spark plug wire set for cylinders 1-6 on the M70 V12 used in E31 850i and 850CSi.

This Genuine BMW wire set includes an anti-rodent, anti-mouse feature called a marten repeller. It's supposed to deter mice and other rodents from chewing on the wires or making a nest nearby.

This is a Genuine BMW M70 spark plug wire set with a two year warranty. Buying a Genuine part will usually be more expensive than an OEM or aftermarket brand but you are assured that it meets BMW's designs for fitment, performance, and longevity. It will also be the very latest design, incorporating any updates or revisions that an aftermarket brand typically will ignore.

For full BMW fitment information or for assistance from one of our BMW experts, we recommend calling us at 877-639-9648.