Remapping and Chip-Tuning Methods

We're sure you'll want to know the methods we use to remap or chip tune the ECU in your car, van or motorhome.

Lets take the More-bhp Polo 1.8T GTI as an example.

The first job is to plug in the diagnostics software into a socket inside the car. This will tell us if there are any major problems with the engine that we should know about. Any errors are logged and explained to you. They will then be cleared from the ecu.

In some cases we will then ask you to take us for a short drive so we can take live readings on the road. We do this for a couple of reasons the main one being so we have before and after results to compare so you can see the difference, the second to make sure the car has not already had a chip or remap.

We will also inspect the engine to check for any obvious problems such as split or loose hoses. It is just a quick inspection not a repair session. We talk you through components of the engine so you can better understand what we are doing and how the remap works.

If all is well then we progress to the remapping / chip install.

Pre 2000 cars very often require the chip removing from the board inside the ecu so we can re-program it. 

The pictures below show the ecu open with the chip in its original location, the empty slot after the chip has been removed, the chip in the reader/writer and finally the chip being soldered back into place.

Cars from 2000 onwards can in many instances have the new software loaded directly through the diagnostic socket inside the cabin. This has the advantages of being quicker and less invasive. The tools required for this method are complex and very expensive.

First we take a copy of the original software inside the ecu. This is kept safe so the car can be put back to its exact original state at a later date if required. We will then load a tuned version of your software that has been optimised for increased performance.

Some later cars still require the ecu removing from the car for tuning. But instead of soldering these can be re-programmed on the bench using special equipment that can talk directly to the ecu.

So whichever method we have used we now have the new information inside the ecu. Its time for you to take us out for another drive to feel the difference.

We will have the diagnostic equipment running so you can also see the difference.

More-BHP home page.

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