Manufacturer warranty
If your car is under manufacturer warranty, a remap can affect cover for related components — a manufacturer isn't obliged to honour a claim on, say, a turbo or clutch if the ECU has been modified. It won't void the entire warranty for unrelated items (a faulty window motor isn't affected by your engine map), but powertrain claims can be refused.
Because your original file is always backed up, the map can be removed and the car returned to standard before a dealer visit if you prefer. Many owners wait until the warranty period ends before tuning.
Insurance — the important one
A remap is a modification, and you must declare it to your insurer. Failing to declare it can invalidate your policy — a far bigger risk than any premium increase. Most insurers accept declared remaps, sometimes with a small premium adjustment; specialist modified-car insurers are very used to it.
Declaring it is non-negotiable. Driving on an undeclared modification means you may not be covered at all in a claim.
The practical approach
If the car is in warranty and you want to keep powertrain cover intact, either wait until it ends or accept the trade-off knowingly. Either way, declare the map to your insurer. We'll always back up your standard file so you have the option to revert.
Can the remap be removed?
Yes. We back up your original file before any work, so the car can be returned to standard at any time.
Will my insurer definitely cover it?
Most do, sometimes with an adjustment. The essential thing is to declare it — never drive on an undeclared modification.