Ok I am new to this forum and have been watching and reading up on comments as I also am from the UK and have a Jeep kj.
I took it in a few weeks ago to get tested for the N46 recall. I was informed over the phone that with my westfallia tow hitch it failed. I told them to hold off on doing any work untill I had made a few phone calls. as with everyone else it seems I logged my complaint with Jeep UK and searched the internet for a solution.
Jeep UK comfirmed to me that some Jeeps with tow bars had passed but they had no record of what ones they were. I relayed this to the dealership and spent about half an hour talking to them and came up with a compromise of a 2 week window where they would hold off on filing their findings while I found a tow bar that fitted. They also helped in giving me a print out of the points they measure and the measurments. It is the 42mm in the middle but also 1inch and a half at the ends (38mm i think). I will attach a colour copy I found on the net so you can see for yourself (Page 6 on the pdf)
I researched the forums for bars that had the most clearence and found the Mopar and Brink tow bars were best (They are actually both made by Brink which from what I hear is now part of Thurl).
Hopefully you will be able to see from the photos attached the difference. I had to get an engineer to do the work to cut the back of the hitch flat and weld a plate accross for added strength (He said if was completly over engineered but would tidy it up and give me peace of mind) and painted it myself.
I took it back yesterday and it passed with flying colours. I really hope this helps people with the same problem.
n46 recall.pdf
