you will going some were mate if you have a crash with tha tank of yours .
You need to get a suitable motor van or pickup . mike
I was thinking about James' situation during the course of the day and came to the same conclusion. The bulkhead that Citroen/Peugeot supplied as a factory fitted option gets its strength from the rigidity and strength of the van floor of which it becomes an integral part. The van floor is incorporated into the chassis.
At the moment he has nothing to protect him, not even a flimsy ladder frame bulkhead they fitted as standard in the vans. A Multispace was designed as a people carrier who would be expected to wear seat belts.
To get an engineering company to fabricate a one off bulkhead will probably cost more than the vehicle is worth unfortunately.
Spruce