FREQUENTLY ASKED QUESTIONS

WHY USE US?

We are trusted and honest and that should matter when choosing a tuning company to remap your vehicle. All of our tools are state of the art, genuine and up to date with the latest subscriptions. Our dyno-proven maps are 100% safe and we will never over-promise on unrealistic performance figures. The figures on our VRM are safe and well within the limits and still offer considerable performance gains. Our pricing is fair and is on par with any respectable tuning company and we will not get involved in a race to the bottom with other “tuners”.

WHAT IS ENGINE REMAPPING AND ECU REMAPPING?

Remapping is a process of altering your car engine’s computer, which is better known as an engine control unit (ECU). The ECU is programmed to manage functions such as fuel injection, sensors, airflow, etc. By changing or overwriting this program with new software, the functions can be customised and the performance of your car can be improved.

WHAT ARE THE BENEFITS OF REMAPPING?

Car manufacturers are known to program their models’ ECUs so that they are not performing at peak efficiency. This allows them to release a sportier model with a more efficient engine by simply reprogramming the ECU and making small design tweaks. Remapping your car means you can get the most out of your engine – improving performance, fuel efficiency and responsiveness.

WHO DO WE DO EXACTLY?

Our technicians connect to the vehicle’s ECU or ‘brain’ with a laptop PC via the OBD (Onboard Diagnostic) socket, to take a read of the engine management file. This is then uploaded to our files team, who optimise the code and send it back to the dealer technician to Our technicians connect to the vehicle’s ECU or ‘brain’ with a laptop PC via the OBD (Onboard Diagnostic) socket, to take a read of the engine management file. This is then uploaded to our files team, who optimise the code and send it back to the dealer technician to reprogramme the ECU. On some vehicles, it is necessary to physically remove the ECU so that it can be programmed on the bench. Tuning via OBD normally takes around an hour, on the bench slightly longer. The work can be carried out at one of Quantum’s offices, dealer premises, or at your home or place of work depending on location.. On some vehicles, it is necessary to physically remove the ECU so that it can be programmed on the bench. Tuning via OBD normally takes around an hour, on the bench slightly longer. The work will be carried out at the location of your choice as we are 100% mobile across the south-east.

IS IT SAFE FOR THE VEHICLE?

YES! Roadside remapping enhances and optimises the power of the engine within safe limits. We are taking up the slack of the high tolerance level that vehicle manufacturers always build in – often to ensure that warranty claims are kept to an acceptable minimum. A good remap from a file writer who understands the strategy within the ECU will not allow the engine to get close to component failure.

Note that quality tuning companies offer very similar gains – so be wary of some with a lesser reputation, who appear to offer enormous power increases. In reality, these claims are either simply untrue, or they are programming the ECU well outside of safe operating parameters. Every vehicle has a mechanical limit to the amount of power it can produce, so if it sounds too good to be true it generally will be.

DO WE HAVE A DYNO?

Roadside Remaps cover stage 1 and stage 2 remaps. When performing this level of remapping, a dyno is not always needed. All of our maps are stress-tested on a dyno so you can be assured that any changes we make to your vehicle are proven and safe. The reason for this is our remapped files have already been tested on a dyno where a slave or donor vehicle was remapped.

Stage 2 remaps normally provide a slight increase in performance over stage 1 but this is normally unlocked through the performance exhaust and air filter that you have rather than the tune itself.

As part of our service, we will before and after road test a vehicle when possible, ensure the car is ok before we start with no faults and running after the changes.

WHY DON'T MANUFACTURERS DO IT?

A manufacturer cannot risk selling a vehicle on the very edge of performance, so engine management calibration is a compromise: it has to take into account regional differences for fuel quality and operating conditions.

The way an engine delivers its power and driveability is also subject to sales and marketing constraints, to ensure it is portrayed in the best light possible when compared to its rivals. Marketing departments within the big vehicle manufacturers wield a surprising amount of influence; if they demand that a torque curve should look a certain way because they believe it gives them a sales advantage, they tend to get what they want – despite realistic opposition from those who actually calibrate the car.

WHAT ARE THE ADVANTAGES IN REMAPPING A DIESEL POWERED CAR?

By far the most effective way to increase the performance of a diesel-engined vehicle is to carry out a remap, which does not require any hardware changes and leaves the existing systems (such as ABS and stability control) unaffected.

Our modifications are only carried out on engine calibration parameters; and because we understand the strategy that the ECU is programmed with, the conversions we make are not ‘fooling’ related systems. This means that:

Nothing needs to be connected to the vehicle after tuning
No loose boxes and wiring are left in the engine compartment
Torque delivery is smooth
Torque is adjusted/limited in lower gears to ensure transmission system longevity
Boost pressure and air flow is optimised
Infotainment systems will display correct fuel consumption
Traction control / stability systems are unaffected
Torque reduction when shifting gear (for comfort and durability) is retained
Regeneration of the diesel particle filter (DPF) is retained
Exhaust gas temperatures are correctly calculated and applied
Service intervals are correctly applied
The diagnostic system remains unaffected
No enlarged NOx, HC, CO, CO2, or soot emissions compared with original when undertaking MOT testing
The original calibration can be reinstalled if required

DO YOU OFFER A TRIAL PERIOD?

We are very confident that your Roadside remap will improve your driving experience and give you fuel savings. But don’t take our word for it: try the upgrade for 30 days and if you are not delighted with the results we will take it off and give you a full refund.

WHAT ABOUT INSURANCE?

We advise that it is your responsibility to inform your insurance company of any modification to your vehicle. We are finding that more and more insurance companies are not penalising their customers for saving fuel and recognise our economy upgrades.

DO YOU KEEP A COPY OF THE ORIGINAL TUNING FILE?

Yes, in our encrypted archived storage, should you ever require your vehicle to put back to original.

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