Bumper cuts are cut on the underside of the bumper.
None visible : the cut will not be visible unless you look up at the bumper from the ground.
Visible: the cut will be visible when standing behind the vehicle.
No cut: No cutting required.
Many modern vehicles require a bypass relay for the towbar electrics to work correctly.
If your vehicle requires this relay then damage can occur to the cars electrics if one isn't fitted.
Our data is collected from the tow bar and tow bar wiring manufacturers with regards to whether your vehicle needs a bypass relay.
BMW 3 Series Saloon E90 2005-2012 Westfalia Detachable Towbar
E90, fits M Sport
Angular position of the towball, receptor tube is not in centre With vehicles year of construction 03/05 the fixed towbar attachment bolts on the vehicle must be changed at a BMW garage. For models 335i and 335td and/or vehicles with turbocharger please order extra carriers for exhaust, order no. 303240600015
Vertical detachable tow bar demonstration video
No FAQ found