hdi 90 re mapping or chip

[landroverbob]

anybody got first hand facts and figures on the above, mpg, reliability, power etc, or would intercooling be better?

[Doggy]

In order to answer your question, you need to know whether yours has a Bosch or Siemens fuel system.

(For identification, the Bosch has an in-tank lift pump, the Siemens a priming bulb under the bonnet).

[landroverbob]

It's a bosch ecu and hp pump, year of car is W reg 2,000