I swapped the KE control unit over but overlooked the EZL unit. Unfortunately I sent the car to scrap after I took what I thought I wanted from it, I'm not sure where it went either!

The car doesn't have a catalytic converter (neither did the original chassis) and so no O2 sensor. The injectors are old but were checked by the gentleman who rebuilt the fuel distributor and they were fine.

I've checked the part number that is currently installed and according to the EPC (& Mercedes), its for a catalyst equipped car. The part number for my engine, as checked by Mercedes via the chassis number, is 003545 ending in 1432 or 1532 or 4332 or 4732. Does anybody know how different the maps between the cat and non-cat cars are? They retail for over £1,300 ($2600!), I've got to find one from a breakers.