BMWdoctor provides service chip tuning BMW engines since 1998. The original control program for chip tyunninga we receive from the German tyunning studio, with whom we have long been working successfully change the motor control firmware.
Chip tuning is the setting for the electronic engine control units, by adjusting the internal parameters to optimize the engine. Also, often in the chip tuning is removing errors on catalysts and diesel particulate filters, as such work is the same way - by altering the programming of the control unit.
What are the benefits of chip tuning?
If we consider the chip-tuning in terms of the increase of power, it is to turbinirovannyh and atmospheric engines, different, as when tuning the engines use different reserves.
If you configure the modes of atmospheric engine by correcting the ignition and fuel injection can be achieved gain torque and power within, rarely exceeding 8-12%, then the engines turbinirovannyh increase is mainly achieved through the redistribution of pressure turbine and can be 20-30% the initial value.
So after changing the PLC program, aimed at increasing the capacity, usually slightly reduced fuel consumption, contrary to the opinion, formed as a result of the few literate tyuningerov.
Another positive aspect of chip-tuning is possible to compensate for the service life of the engine spent. The fact that the software produced by the plant is designed for the new engines, and even less wear, the engine work harder to factory settings, especially if we consider the engines of the brand BMW, which are very finely tuned mechanism.
With the correction of the control program can recover the initial engine power and torque.
How is chip tuning?
The entire volume of work on the chip tuning can be divided into three main stages:
Reading and writing programs are in most cases through the diagnostic connector, as manufacturing plants, with about 1996 began to implement in the control unit is electrically reprogrammable flash memory. In more rare cases, removal and disassembly of the engine control unit, and the application of in-circuit reading.
On the new engine control systems, especially in diesel engines installed on the modification of memory protection, which is required to bypass the block and disassembly of its introduction into the programming mode. Our equipment allows us to read and write the program in such protected control units. Editing program is made on the spot, unlike many firms who bought programs abroad, which allows fine-tune the engine, taking into account the client.
What parameters are changing?
To increase the capacity of the engine, we change the angle settings ignition timing, fuel injection amount of time, if necessary can turn off or change the mode of the systems that control the exhaust emissions, for engines with turbo boost pressure changes value.
It is believed that the chip-tuning the quantity of pollutants released into the atmosphere, but it is not so, since optimizing the composition of the mixture, the fuel is completely burned, reducing the amount of these emissions. According to current environmental standards, the manufacturers suppress real opportunities motor, causing it to run on lean mixtures. We let go of these limitations, align the mix and give the motor to operate at full capacity, while the fuel consumption is reduced.
- Reading and preserve the original program with the engine control unit.
- Modification and optimization software.
- Record modified program back to the control unit.
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