How exactly does chip tuning (car) work?
Hello, as you can read in the question, I need a "professional" opinion (or from someone who can explain it to me as simply as possible) on this topic.
I'm currently driving a 2009 Opel Astra GTC. There seem to be different types of these "chips" and in all price ranges.
So I ask myself the question…
Is it worth spending €200, €300 or even €500 on it or is it more of a rip-off?
And how exactly does this “chip tuning” work?
If you install something like that, what happens with the TÜV?
Thank you in advance
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That's illegal and you're losing your admission and insurance coverage.
In the case of chip tuning, the compuer chip on which the parameters for the driving point control are stored is replaced by another. This allows higher speeds, higher exhaust emissions, higher wear. It allows the control to run the engine closer to its load limit.
A motor from the hunting 2009, which works for years with the retracted parameters, will be overloaded and scraped in no time with this reprogramming that does not match him.
Basically, it is simple, the charge pressure is increased, so more air can be squeezed into the combustion chamber and for this purpose more fuel injection = more power.
So good. But the chip vendors promise a lot but guarantee absolutely nothing, whether the cheaper chip is worse than the expensive, no idea, you finally buy the cat in the bag. Whether and how much the car then actually has more power can only determine a test bench test.
The increase in performance is often soberly low, see the long faces that you see very often in the test bench videos of Hall 77:
https://www.youtube.com/watch?v=OjK0EA-_MQY
Don't let the crap with the cheap universal chips.
However, a well-tuned characteristic field optimization brings advantages.
If you have a sucker, you can save the whole thing.
There everything is explained
https://www.autobild.de/artikel/chiptuning-6978555.html#-347510307