Tuning knowledge

Guides

Straight answers on ECU remapping, from what Stage 1 actually does to what to expect on the day.

Bosch MD1 and MG1 ECUs Can Now Be Unlocked In-House

One specific family of locked ECUs, the Bosch MDG1 units fitted to a lot of 2021-onward vehicles, no longer has to be posted away to be unlocked. Here is what that covers, and what it does not.

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KESS V2, K-TAG & KESS3: How ECU Tuning Tools Have Evolved

Every so often we dig back through old job photos, and this one's a good excuse to talk about how far ECU…

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What Is a Stage 1 Remap? (Explained)

If you've been looking into getting more from your car, "Stage 1 remap" is probably the term you've seen most. It's the…

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OBD vs Bench Remapping: What’s the Difference?

The two ways a map gets onto your ECU, through the diagnostic port, or on the bench. Same result either way.

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Petrol vs Diesel: What to Expect from a Remap

Petrol and diesel engines respond to a remap in different ways. Here's what to expect from each.

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Does Remapping Save Fuel?

It can, and on the right vehicle the difference is worth having. Here is what makes it work.

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Remap vs Tuning Box: Which Is Better?

Two very different ways of getting more from an engine. We used to offer both, and here is why we settled on remapping.

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What Does a Remap Cost?

Prices vary a lot, and the reasons why tell you plenty about what you are actually buying.

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DSG & Gearbox Remapping Explained

Your gearbox has its own computer, and on a tuned car it is often the thing holding you back.

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Stage 1 vs Stage 2 vs Stage 3

The stages describe hardware, not power, and the labels mean less than most people think.

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Do You Need a Rolling Road to Remap a Car?

A dyno measures a car. It does not, by itself, tune one. Here is when it earns its keep.

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