![]() Some boxes also offer the capability of pre-installing multiple tunes, which you can easily switch between from a special app that comes with the device. You just have to connect the tuning box to already existing wires and you are ready to go. One of the most obvious pros of piggyback tunes is the fact that such modifications are plug & play – they don’t require any modifications. However, as you may have already guessed, such simplicity and the operating method based on software “trickery” also entail certain tuning limitations… Pros of Piggyback Tunes The biggest difficulty with installing piggyback tuners is finding the right spot to plug it in ) Piggyback tunes are a simple solution for increasing the performance of your car: as opposed to a BMW remap, they do not alter anything in the ECU, but rather trick it into thinking that the input from the affected sensors has changed. But, as you’ll find out when you read on, with piggyback tunes the initial cost-savings can be a very superficial advantage… This form of tuning is most popular among people who don’t want to spend much to gain some horsepower in their cars. However, the cheapest of the cheap boxes are much less sophisticated and if you were to open them up, you would probably find just a bunch of resistors to alter all the necessary signals. Usually, piggyback tunes consist of a circuit board and a processor enclosed in a small box (hence their other name, which is the “tuning box”) with wires running out of it. Similarly, a piggyback tune is a special device that you connect to the engine control unit (ECU) and various plugs under the hood, like the mass air flow (MAF) sensor in the intake manifold, the fueling connector, as well as the turbine speed or the charge pressure sensors. If you think about it, the explanation as to what a piggyback tune is in its name – a “piggyback ride” is when one person takes another on their back and carries them around. If you’re wondering how the two options differ from one another and which one is better, you’ve come to the right place! Join us as we explore the two ways to improve the performance of a car, as well as a third approach from Awaken Performance that brings the best of both worlds – perfect for anybody looking for a safe and reliable everyday performance boost that doesn’t sacrifice engine longevity for ¼-mile times. When looking for ways to increase the power of your BMW and crank up the excitement you experience when driving it, you’ll eventually end up learning that there are basically two roads you can take, without any physical performance upgrades: BMW ECU tuning or a piggyback tune (also known as box tune).
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