Remapping and Tuning At Volks Workshop

What is Remapping / Chipping / Tuning / Chip Tuning ?

All of these terms are used to describe the same thing. Modern car and van engines have an electronic management system that controls fuelling.  The ECU (Engine Control Unit). When you put your foot down, the ECU decides how much fuel and air to mix, squirt into the cylinder and ignite. Diesel and petrol engines work a bit differently, but that isn’t really important right now. The ECU also controls the boost of the turbo (if you have one).

If you have your engine remapped / chipped / chip tuned or whatever term you want to use then the ECU parameters can be changed, giving more performance and in certain cases more economy  from your engine.

Why don’t they do this from the factory then ?

This is a valid question. There are several reasons that manufacturers don’t supply the car or van already maximised as far as performance and economy go.

The first is that manufacturers focus mainly on reliability. Some people look after their cars, regularly servicing them and taking good care of them. Some don’t  other than put fuel in. There are also different grades of fuel, depending where you are.

In an ideal world, everybody would look after their car and fuel would be good quality everywhere you go. Since this isn’t the world we live in, then if manufacturers err on the side of safety and supply their vehicle at a less than optimal tune, then there’s a higher chance of it lasting longer. This means that the manufacturer gets a reputation for reliability as their cars are less likely to break down. If you are prepared to service your car, look after it a bit, and also use good fuel, then having the engine remapped won’t be an issue.

The other issue is that manufacturers often have a range of vehicles, and the most powerful vehicles in the range are usually the most expensive. Manufacturers often stifle the performance of engines to make sure there is a clear difference in power as you step up the range. In some cases, you can buy a cheaper version of the car or van and then remap it to equal or beat the next model in the range.

What does Stage 1, Stage 2, Stage 3 Remapping mean ?

Basically these terms are used to describe the tuning level of your car, here’s a simple description..


This is generally a software only tune requiring no extra hardware for the engine for the remapping process but simple bolts on like cat back exhaust, panel or induction kit can be used to enhance the tune.


Realises more power by using a high flow or decat exhaust to increase flow to get the best out of your factory hardware, also the use of a larger intercooler ( if turbo ) to keep things cool and the above parts mentioned in Stage 1.


This is when you have reached the peak efficiency of your standard factory engine parts and its time to upgrade, This can consist of larger or hybrid turbo or and stronger performance engine internals ( Cam shafts – forged conrods – valves – cylinder head – forged pistons )    Stage 3 really has no limit, how far do you want to go ?

Hope this simple explanation helps this sometimes confusing subject.

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