And a link back to the specific post on the long thread: viewtopic.php?p=807547#p807547
Towing
There is a specific Electrical Harness showing for this vehicle with your build date (others are not compatible), so: TOW BAR WIRING LOOM 13-TRACK, part: 1611864380, £209.23 should be correct.
Comes with a 13 way socket, and Generic Trailer Relay Unit
This is the only toolbar listed for the vehicle with this wiring harness:
1608472480: SWAN’S NECK TOWING BALL, £239.38
Searching on the wiring harness part number:
This site quotes:
https://www.tradecarparts.uk/1611864380
That part for £157.35 Inc Vat. (Edit: plus P&P £5.90, or can collect from Newcastle

Searching for the towbar part number gives lots of results more expensive than the dealership price quoted above!
This site (which I have read through the phone's automatic translation!) Suggests they have it for €130.16
https://peugeot.commander-mes-accessoir ... break.html
Which seems very cheap! (£110-ish. Again p&p tbc - and indeed delivery to the UK at all TBC)
Parking the towbar plan for a bit (whilst having many jobs to do, and the grey 308 tows, as would the 406 Coupe when it returns to the road) so put the above links down for future reference
