Useful resources for getting started: Difference between revisions

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We should add, this area of tuning divides opinions. There are some who are criticise those who examine the tunes on their car as being cheats. Meanwhile others consider that building on previous work is the best way to make progress. One explanation for the tetchiness in this area is that there are a lot of commercial interests tied up in engine calibration but, being software, it is hard to protect these interests. This leads to nervousness that reading tunes off the car will open the way to wider piracy. Nonetheless, tuners who own their own car also own the calibration on it. Our view therefore is that tuners should be able to use existing calibrations as a basis for their own work but should not share them or sell them on without the express permission of the originator.
We should add, this area of tuning divides opinions. There are some who are criticise those who examine the tunes on their car as being cheats. Meanwhile others consider that building on previous work is the best way to make progress. One explanation for the tetchiness in this area is that there are a lot of commercial interests tied up in engine calibration but, being software, it is hard to protect these interests. This leads to nervousness that reading tunes off the car will open the way to wider piracy. Nonetheless, tuners who own their own car also own the calibration on it. Our view therefore is that tuners should be able to use existing calibrations as a basis for their own work but should not share them or sell them on without the express permission of the originator.


* ECU bench tool will read Gen 1 B58 ECUs (Bosch MG1 with the SPC5777M chipset): https://www.ecuhelpshop.com/products/ecu-bench-tool-ecu-programmer.html. There are other more expensive professional options available, like autotuner and bitbox.
If you want to proceed down this route, ECU bench tool will read Gen 1 B58 ECUs (Bosch MG1 with the SPC5777M chipset). There are other more expensive professional options available, like autotuner and bitbox.


=== Creating tunes ===
=== Creating tunes ===
* MHD's excellent repo of tuner pro XDFs: https://github.com/dmacpro91/BMW-XDFs
* MHD's excellent repo of tuner pro XDFs: https://github.com/dmacpro91/BMW-XDFs

Revision as of 23:16, 17 March 2024

Modern engines for dummies

N54 and N55 Tuning

There are a lot of similarities but N54 tuning is simpler.

PID control

Dialling in boost control requires a familiarity with PID error control. Watch this video from Motec a couple of times and you should have enough knowledge to get started.

Other B58 tuning resources

Getting tunes off of your car

If you have a dialled-in tune on your car, it is useful to read it off the ECU and get and feel for the settings.

We should add, this area of tuning divides opinions. There are some who are criticise those who examine the tunes on their car as being cheats. Meanwhile others consider that building on previous work is the best way to make progress. One explanation for the tetchiness in this area is that there are a lot of commercial interests tied up in engine calibration but, being software, it is hard to protect these interests. This leads to nervousness that reading tunes off the car will open the way to wider piracy. Nonetheless, tuners who own their own car also own the calibration on it. Our view therefore is that tuners should be able to use existing calibrations as a basis for their own work but should not share them or sell them on without the express permission of the originator.

If you want to proceed down this route, ECU bench tool will read Gen 1 B58 ECUs (Bosch MG1 with the SPC5777M chipset). There are other more expensive professional options available, like autotuner and bitbox.

Creating tunes

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