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Customer reviews

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”Very satisfied. For the first time i'm almost down to 0.5L/10km. And the car lost traction when i accelerated in first gear!“

– Alfa Gulietta

”Went home with 265HP, came with 224, and saving over 10% fuel as well!“

– Mercedes Viano

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”Came with 116HP. Drove home with 153, and also about 30% more Nm from the bottom.“

– Toyota Previa

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”Hello. New fuel record 400km drive without even trying. Down from 0,54 to 0,5 per 10km. Much more comfortable driving with less shifting and better low end torque. Not to mention it's awesome to feel that extra kick when stepping on it! Thanks for job well done!“

– Berlingo HDI

bestchip.co.uk / Bilmerker / BMW

Selected car

BMW 6er (F06) 640d Gran Coupé

2993 ccm - 230 kW (313 HK) - 630 Nm

Depending on which engine you have in your car, you have different power box options. You have 4 choices for your BMW 6er (F06) 640d Gran Coupé. Please confirm that you have selected the correct engine from the car list. These are the options for (F06) 640d Gran Coupé with 313 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

Multi-Speed

Multi-Speed

Our Speed technology - combined with connection to multiple sensors give you maximum power and economy.

GBP £279,-

In stock

Effect with chip
388 HP ( +24%)

Torque with chip
773 Nm ( +23%)

Alternative 2

Ultimate

Ultimate

Our top model, most power and durability with quality electronics and remote control included for on/off.

GBP £329,-

In stock

Effect with chip
394 HP ( +26%)

Torque with chip
781 Nm ( +24%)

Alternative 3

RXT Ultimate

Set of both Ultimate and RXT Power Booster. Maximum effect and fuel savings controlled from your drivers seat.

GBP £419,-

Preorder! Coming soon!

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
398 HP ( +27%)

Effect about 313 HP at 50% throttle

Product comparison

Multi-Speed

World's smallest design?

Multiple engine connections

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Car switch warranty (-50%)

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Engine warranty

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100% satisfaction: 30 dager

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Fuel savings: 5 - 20%

Eco-boost program

Water proof

Motor Protection System

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Ultimate

On/off switch

World's smallest design?

Multiple engine connections

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Best processor on the market

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Car switch warranty (-50%)

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Engine warranty

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100% satisfaction: 30 dager

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Fuel savings: 5 - 20%

Eco-boost program

Water proof

Motor Protection System

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RXT Ultimate

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World's smallest design?

Multiple engine connections

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Best processor on the market

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RXT Power Booster

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Car switch warranty (-50%)

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Engine warranty

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100% satisfaction: 60 dager

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Fuel savings: 5 - 20%

Eco-boost program

Water proof

Motor Protection System

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