I agree. A/c should be standard in Pakistan and when they are introducing a car with EFI engine. Installing a/c afterward will definitely ruin the engine and more importantly the on board computer which is every very expensive to replace.
As all new engines will be electronic, which is the norm in the west for more than two decades, the customer must also be educated about it.
Electronically controlled engines DONOT accept any modifications. If they do, then many parameters will have to be changed which means that only those who are expert at modifying that engine computer will be able to do it.
The street side ustaads cant do a jack about these engines and please those who buy these cars dont take them to that 'ustaad', please!