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Eco-Power
Speed
Multi-Speed
Ultimate
RXT Ultimate


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

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”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

Find your car
New car -50%
RXT Ultimate
Tractor / boat
Installation
bestchip.co.uk / Bilmerker / BMW
Selected car

BMW Z4 (E89) sDrive18i

1997 ccm - 115 kW (156 HK) - 240 Nm

Depending on which engine you have in your vehicle, you have different chip tuning options. You have 4 alternatives for your BMW Z4 (E89) sDrive18i. Please confirm that you have selected the correct engine from the car list. These are the choices for (E89) sDrive18i with 156 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,-
yes In stock
Effect with chip
206 HP ( +32%)
Torque with chip
312 Nm ( +30%)

Alternative 2

Ultimate

Ultimate

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

GBP £329,-
yes In stock
Effect with chip
208 HP ( +33%)
Torque with chip
315 Nm ( +31%)

Alternative 3

RXT Ultimate

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

GBP £419,-
no 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
211 HP ( +35%)
Effect about 156 HP at 50% throttle

Product comparison

Multi-Speed

yes World's smallest design?
yes Multiple engine connections
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yes Car switch warranty (-50%)
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yes Engine warranty
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yes 100% satisfaction: 30 dager
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yes Fuel savings: 5 - 20%
yes Eco-boost program
yes Water proof
yes Motor Protection System
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Ultimate

yes On/off switch
yes World's smallest design?
yes Multiple engine connections
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yes Best processor on the market
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yes Car switch warranty (-50%)
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yes Engine warranty
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yes 100% satisfaction: 30 dager
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yes Fuel savings: 5 - 20%
yes Eco-boost program
yes Water proof
yes Motor Protection System
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RXT Ultimate

yes {PatentedIntegration}
yes World's smallest design?
yes Multiple engine connections
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yes Best processor on the market
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yes RXT Power Booster
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yes Car switch warranty (-50%)
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yes Engine warranty
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yes 100% satisfaction: 60 dager
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yes Fuel savings: 5 - 20%
yes Eco-boost program
yes Water proof
yes Motor Protection System
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