Thanks to our Tuning Box Evolution 5078 powerchip , your Bmw Serie 8 will have more power (+57 hp) and more dynamism (+80 Nm). Your petrol 840i 340 hp engine will have a total power of 397 hp* and a torque of 530 Nm*. Moreover, your fuel consumption will decrease by around -1L./100km*.
Tuning Box offers a 2-year engine warranty with this ECU tuning box.
Your engine with our Tune Pedal P13702 responds more spontaneously and more directly. This pedal box optimizes your engine response time by eliminating the latency . The result is that the power of your engine is released faster. This way your acceleration is much more direct.Read more
The Tuning Box Fusion is the combination of these two chiptuning units. This wonderful product provides an amazing driving experience and great performance. You will not recognize your Bmw Serie 8 anymore!
These plug-and-play performance chips especially developed for this petrol 840i 340 hp engine work as a custom engine reprogramming. Thanks to the supplied AMP plugs, these chiptuning units can be easily connected and they scrupulously respect the power reserves and motor protection systems of the german manufacturer.
You should send a tracking number. I ordered as express and it took 10 days to arrive and i couldnt track it.
Hi. I tried many times over Xmas/new year to ring and chat with a person to avail. If this company Cannot contact people over this period let us know. I hope thIs product works. ***
all very well
Everything is very explicit, .... commom knowledge. Connectivity very easy and app also no problem. Engine responds very well, no alterations registered for the moment. Sure to be recommended.
Great Service, keep as it is and no improvements needed
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Order your Tuning Box before the 31st of October and participate automatically in our drawing lots to be fully refunded.