Number One Cylinder: Locations
Number One CylinderV - 12 M70 / M73 / M73 TU / N73
ARRANGEMENT OF CYLINDERS:
Cylinders 1 ... 6 are on the right-hand side of the car as seen looking forward from the drivers seat (beginning with cylinder no. 1 at the front end).
This is referred to as Bank 1.
Cylinders 1 > 6 front to back.
Cylinders 7... 12 are on the left-hand side of the car as seen looking forward from the drivers seat (beginning with cylinder no. 7 at the front end).
This is referred to as Bank 2.
Cylinders 7 > 12 front to back.
Air intake manifold, throttle valve necks and air cleaner with air flow sensor for a concerned bank of cylinders are, however, located on the opposite side in each case (crossflow).