You already know how remapping the ECU can improve your vehicle's performance: more power and torque, smoother management, better fuel market. Today all you've got to do is find somebody to do the job. You'll likely notice that some companies advertise custom or bespoke maps and other companies discuss using library paths. It's very important that you be aware of the gap between both different types of remapping. Bespoke remapping can be expensive, however, it's significant advantages that allow it to be worth the cost.

Bespoke or custom remapping begins with the file that's on your car's ECU at this time. The tech downloads the original ECU map out of the car and then changes parts of it to increase engine performance. The files for most unique procedures are tuned with high priced computer software. The technician needs to understand the best way to recalibrate each atmosphere -- in other words, he's got to learn what he's doing.

In addition to the channels which restrain fuel combustion, the ECU additionally contains data pertinent to your vehicle such as immobiliser information, software upgrades and bug fixes from producer, etc. For this reason, just the records which have to be changed are touched during the remapping -- other crucial data regarding the vehicle is left intact. Afterward the map has been flashed back into the ECU, overwriting the existing file. A copy of this original ECU document is retained by the supplier, just in case. Bespoke remapping is tailored to a particular vehicle, which ensures the greatest possible results.

Remapping with a library document is rather different. engine remap will not make use of the original ECU document from your car. As an alternative, a modified ECU map can be preferred in the library of perhaps 10,000 generic files. The library file is copied back into the vehicle's ECU, overwriting everything -- for example any vehicle-specific information which may have been on the original file.

Now, this group of library files includes a shady past. It is composed of all ECU files that somebody compiled from unknown resources, copied to a CD, also sold for a few pounds online. Most, or even all, of the ECU records were stolen by professional remappers. Consequently, you truly do not understand anything concerning the characteristic of the files or how they may affect your engine.

Remapping that the ECU with a library file is an error which can have dire consequences. The library file probably wont contain the immobiliser applications that keeps your vehicle secure. It will not possess recent applications upgrades or bug fixes that are crucial. And let's not forget a service provider utilizing library records probably cuts corners in different ways, with inexpensive gear and minimal technician training.

What happens once you replace a vehicle's unique ECU map with a library document? Certainly the engine could output more energy following the remap, however there is no guarantee that the improvement will probably be exactly what you expected. Your engine system may suddenly develop glitches and fail to use as it should. Even bmw remap could freeze and be inaccessible so that you can not actually repair the harm. With no standard security features, your car might be stolen more easily. And worst of all, you may be forced to devote plenty of money replacing the ECU or repairing the webpage.

Now you realize why habit maps are much better than library maps, how do you find someone to accomplish the work? First of all, be certain that the provider really does offer bespoke remapping that's performed by qualified technicians. It isn't tough to tell whether you're dealing with a skilled or a poseur. Merely ask the tech a couple of questions about how the remapping has been accomplished, what sort of files he uses, which engine settings have been changed, etc. A certified and knowledgeable individual will likely soon be absolutely competent to explain the finer points of this remapping process to you. Of course, if someone mentions library files or tries to convince you the library files are just as excellent as custom files, cross them off the list.

You'll find nothing wrong with doing your research to compare prices, but don't make price the deciding factor. This is a high tech industry and tech costs money. If you discover a service provider with very low rates, ask your self why. In all likelihoodthey have been using library files and inexpensive programs for remapping.


You also ought to reassure your self about the firm's after-sales support. Could there be a trial period after the remapping? Do they retain a copy of the original map in case you ever wish to change back? Does the workmanship have a warranty? Does the business guarantee progress in BHP, torque, and fuel economy? Make sure you're happy with the responses to those questions

Remapping the ECU is definitely an efficient means to boost engine performance, however if it isn't done correctly you really do put your own car at risk. There's no question that custom or bespoke remapping is just a better option compared to remapping together with library files. You're going to receive the best results, and equally vital, you will secure your expensive vehicle from damage.