Selected car
BMW X4 (G02) M40d
2993 ccm - 240 kW (326 HK) - 680 Nm
Depending on which engine you have in your car, you have different tuning box alternatives. You have 3 alternatives for your BMW X4 (G02) M40d. Please make sure that you have selected the correct engine from the vehicle list. These are the options for M40d with 326 HP. The product images are illustrative and colors may vary from actual product.
Choose chip type. The price includes customs, taxes and fees, no surprises!
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Alternative 1

Ultimate
Our top model, most power and durability with quality electronics and remote control included for on/off.
GBP £329,-

Effect with chip
412 HP ( +26%)
412 HP ( +26%)
Torque with chip
843 Nm ( +24%)
843 Nm ( +24%)
Alternative 2

RXT Power Booster
Pedal box for advanced fuel regulation! Fuel economy and more power in the same box. NOTE no increase in HP!
GBP £189,-

Discover power you didn't know your car had!
Alternative 3

RXT Ultimate
Set of both Ultimate and RXT Power Booster. Maximum effect and fuel savings controlled from your drivers seat.
GBP £419,-

Because of the global shortage of components we haven't been able to obtain enough of this product and may be out of stock.
Effect with chip
418 HP ( +28%)
418 HP ( +28%)
Effect about 326 HP at 50% throttle
Product comparison
Ultimate![]() ![]() ![]() i ![]() i ![]() i ![]() i ![]() i ![]() ![]() ![]() ![]() i | RXT Power Booster![]() i ![]() i | RXT Ultimate![]() ![]() ![]() i ![]() i ![]() i ![]() i ![]() i ![]() i ![]() ![]() ![]() ![]() i |
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