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Price range: $853.59 through $1,012.78 VAT will be applied at the time of checkout Select OptionsS58 JB4 Tuner for 2020-Present BMW F97 X3M & F98 X4M
S58 JB4 Tuner for 2020-Present BMW F97 X3M & F98 X4M
Gains are up to 80hp and up to 135Nm on pump gas and even higher on higher octane or E85 mixtures.
The ultimate tune for your S58 powered vehicle, the JB4 allows you to go from factory stock to full race and everywhere in between. The JB4 installs and removes easily and includes many unique features not found in any other tune, including user-adjustable 1st and 2nd gear boost limiting, electronic wastegate control, smartphone integration, ethanol fuel support, and built-in advanced CANbus-based diagnostic tools. Installation is completely removable with no splicing or cutting of factory wires.
Wirelessly connect the JB4 to your Bluetooth 4.0 compatible iOS and Android device via the JB4 Mobile connect kit, or to your Windows laptop with the BMS data cable. Both options allow you to record and analyze vehicle and tuning data, change JB4 performance maps, and update JB4 firmware as we release free newer versions with updates, more powerful maps, and new features under development. A separate JB4 Mobile app purchase is also required.
Price range: $853.59 through $1,012.78 VAT will be applied at the time of checkout -

Price range: $853.59 through $1,012.78 VAT will be applied at the time of checkout Select OptionsS58 JB4 Tuner for 2021+ BMW G80 M3, G82 G83 M4, & 2023+ G87 M21
S58 JB4 Tuner for 2021+ BMW G80 M3, G82 G83 M4, & 2023+ G87 M21
Gains are up to 80hp and up to 135Nm on pump gas and even more on higher octane or E85 mixtures.
The ultimate tune for your S58 powered G87 M2, G80 M3, or G82 M4, the JB4 allows you to go from factory stock to full race and everywhere in between. The JB4 installs and removes easily and includes many unique features not found in any other tune, including user-adjustable 1st and 2nd gear boost limiting, smartphone integration, electronic wastegate control, ethanol fuel support, and built-in advanced CANbus-based diagnostic tools. Installation is easy and completely removable with no splicing or cutting of factory wires making the JB4 an excellent choice for your S58 engine.
Wirelessly connect the S58 JB4 to your Bluetooth 4.0 compatible iOS and Android® device via the JB4 Mobile connect kit or to your Windows® laptop with the BMS data cable. Both options allow you to record and analyze vehicle and tuning data, change JB4 performance maps, and update S58 JB4 firmware as we release free newer versions with updates, more powerful maps, and new features under development. A separate JB4 Mobile app purchase is also required.
Price range: $853.59 through $1,012.78 VAT will be applied at the time of checkout -

Price range: $960.44 through $1,119.61 VAT will be applied at the time of checkout Select OptionsS68 JB4 Tuner (BETA)
S68 JB4 Tuner (BETA)
Gains are up to 100hp on pump gas and up to 207hp on higher octane or E85 mixtures.
The ultimate tune for your 4.4L S68 powered BMW, the JB4 allows you to go from factory stock to full race and everywhere in between. The JB4 installs and removes easily and includes many unique features not found in any other tune, including user-adjustable 1st and 2nd gear boost limiting, smartphone integration, electronic wastegate control, ethanol fuel support, and built-in advanced CANbus-based diagnostic tools. Installation is easy and completely removable with no splicing or cutting of factory wires making the JB4 an excellent choice for your S68 engine.
Wirelessly connect the S68 JB4 to your Bluetooth 4.0 compatible iOS and Android® device via the JB4 Mobile connect kit or to your Windows® laptop with the BMS data cable. Both options allow you to record and analyze vehicle and tuning data, change JB4 performance maps, and update S68 JB4 firmware as we release free newer versions with updates, more powerful maps, and new features under development. A separate JB4 Mobile app purchase is also required.
Price range: $960.44 through $1,119.61 VAT will be applied at the time of checkout -

$319.22 VAT will be applied at the time of checkout Select OptionsSaab 9-3 Tuning (1998 – 2002)
Saab 9-3 Tuning (1998 – 2002)
Transform the way your Saab 9-3 (1998 – 2002) drives with custom ECU remapping and tuning from VIEZU. Available for Stage 1, Stage 2, and Stage 3 performance upgrades. Our ECU tuning solutions can increase power and acceleration, sharpen throttle response, and enhance fuel efficiency for diesel models.
At VIEZU, every ECU remap is developed around your vehicle and driving style. Optional rolling road testing is available, please speak to the team for more information.
After purchase you will be contacted by our team to arrange your booking.Need guidance for your remap? Call +44 (0)1789 774444 or contact us directly
$319.22 VAT will be applied at the time of checkout -

Price range: $319.22 through $370.50 VAT will be applied at the time of checkout Select OptionsSaab 9-3 Tuning (2002 – 2007)
Saab 9-3 Tuning (2002 – 2007)
Release the hidden performance within your Saab 9-3 (2002 – 2007) with expert ECU remapping and tuning from VIEZU. Our ECU tuning services are available for Stage 1, Stage 2, and Stage 3 performance upgrades. Delivering improved power, enhanced torque, sharper throttle response, and for diesels also helping improve fuel economy.
Every VIEZU ECU remap is custom tailored to your exact vehicle setup. Optional rolling road testing is available, please speak to the team for more information.
After purchase you will be contacted by our team to arrange your booking.Need guidance for your remap? Call +44 (0)1789 774444 or contact us directly
Price range: $319.22 through $370.50 VAT will be applied at the time of checkout -

Price range: $319.22 through $370.50 VAT will be applied at the time of checkout Select OptionsSaab 9-3 Tuning (2007 – 2010)
Saab 9-3 Tuning (2007 – 2010)
Augment the driving performance of your Saab 9-3 (2007 – 2010) with bespoke ECU remapping and tuning from VIEZU. Our ECU tuning solutions are available for Stage 1, Stage 2, and Stage 3 performance upgrades. Increasing power, improving torque delivery, enhancing throttle response, and diesel fuel efficiency.
Every ECU remap is tailored specifically to your vehicle and performance goals. Optional rolling road testing is available, please speak to the team for more information.
After purchase you will be contacted by our team to arrange your booking.Need guidance for your remap? Call +44 (0)1789 774444 or contact us directly
Price range: $319.22 through $370.50 VAT will be applied at the time of checkout -

Price range: $319.22 through $370.50 VAT will be applied at the time of checkout Select OptionsSaab 9-3 Tuning (2010 – Present)
Saab 9-3 Tuning (2010 – Present)
Amplify the driving experience of your Saab 9-3 (2010 – Present) with professional ECU remapping and tuning from VIEZU. Designed for Stage 1, Stage 2, and Stage 3 performance upgrades. Our ECU tuning solutions can improve power delivery, increase torque, sharpen acceleration, and help diesels improve fuel efficiency.
VIEZU develops every ECU remap around your vehicle and driving requirements. Optional rolling road testing is available, please speak to the team for more information.
After purchase you will be contacted by our team to arrange your booking.Need guidance for your remap? Call +44 (0)1789 774444 or contact us directly
Price range: $319.22 through $370.50 VAT will be applied at the time of checkout -

Price range: $319.22 through $370.50 VAT will be applied at the time of checkout Select OptionsSaab 9-5 Tuning (1997 – 2001)
Saab 9-5 Tuning (1997 – 2001)
Revolutionise the performance of your Saab 9-5 (1997 – 2001) with custom ECU remapping and tuning from VIEZU. Our ECU tuning services are available for Stage 1, Stage 2, and Stage 3 performance upgrades. Delivering increased power, improved torque, enhanced throttle response, and while also helping diesels improve fuel economy.
Every VIEZU ECU remap is tailored to your exact vehicle specification. Optional rolling road testing is available, please speak to the team for more information.
After purchase you will be contacted by our team to arrange your booking.Need guidance for your remap? Call +44 (0)1789 774444 or contact us directly
Price range: $319.22 through $370.50 VAT will be applied at the time of checkout -

Price range: $319.22 through $370.50 VAT will be applied at the time of checkout Select OptionsSaab 9-5 Tuning (2001 – 2005)
Saab 9-5 Tuning (2001 – 2005)
Redefine the performance of your Saab 9-5 (2001 – 2005) with expert ECU remapping and tuning from VIEZU. Available for Stage 1, Stage 2, and Stage 3 performance upgrades. Our ECU tuning solutions improve power, torque delivery, throttle response, and fuel efficiency for diesels.
Every ECU remap is custom tailored to your vehicle and performance requirements. Optional rolling road testing is available, please speak to the team for more information.
After purchase you will be contacted by our team to arrange your booking.Need guidance for your remap? Call +44 (0)1789 774444 or contact us directly
Price range: $319.22 through $370.50 VAT will be applied at the time of checkout


