hello again,
I have posted another question in the forum, but still waiting on opinions over it.

Something of a different vibe.
My 1993 325td, I have been told has the exact engine spec with the 325tdS model, only difference being the larger turbine (like the 525tds) and the intercooler. So ... Question is :

If I am able to install the larger turbine and an intercooler (the only problem I forsee is AC and price of coarse), will I have to do anything to the electronics of the engine, remapping or however it is called, in order to instruct eh ECU that the engine now has a bigger potential and thus exploit it as a 325tdS ???

and if that is true, what am I suppose to ask for at my dealer/repairman?

Pls, enlighten me

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DO NOT WASH
THIS VEHICLE IS UNDERGOING A SPECIAL DIRT TEST