With the Tuning Box Classic BMW-N-B4 power box, you get a power boost of +20 hp and an improved torque of +40 Nm. Your diesel 840d 320 hp engine has a total power of 340 hp* and a torque of 720 Nm*. Moreover, your fuel consumption will decrease by around -1L./100km*. Tuning Box offers a 1 year engine warranty with this diesel chip.
The Tuning Box Evolution EVO X6347 S - 3.0 is more efficient because it acts on several parameters. You gain even more power (+35 hp) and more torque (+55 Nm). With this high-end ECU tuning box connected , your diesel 840d 320 hp engine gets a total power of 355 hp* and a torque of 735 Nm*. Moreover, your fuel consumption will decrease by around -1L./100km*.
Tuning Box offers a 2-year engine warranty with this powerchip.
Your engine with our Tune Pedal P13702 responds more spontaneously and more directly. This pedal box optimizes the response time of your engine by eliminating the latency . The result is that the power of your engine is released sooner. This way your acceleration is much more direct.
The Tuning Box Fusion is the combination of the Tuning Box Evolution powerbox and the Tune Pedal - the throttle response controller. This wonderful product provides an amazing driving experience and great performance. You will not recognize your Bmw Serie 8 (F91, F92, F93, G14, G15, G16) 2018 - ... anymore!
These plug-and-play chiptuning units especially developed for this diesel 840d 320 hp engine work as a custom engine remapping. Thanks to the supplied AMP plugs, these performance chips can be easily connected and they scrupulously respect the power reserves and motor protection systems of the german manufacturer.
Totally happy with the whole process of buying. Clear and easy to use web site and a seamless transition to the payment site. Contacted customer service before purchase, quick and clear reply.
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. ***
Everything is working fine.
When I ordered, there was no stock for the particular car I owned. I waited one week for the stock but had to write in to check what was the status. However, I must say the response was good.