• BMS Audi Seat VW JB4 Tuning Box (inc. S3, Leon & Golf R) - ML Performance UK
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BMS

BMS Audi Seat VW JB4 Tuning Box Group 18 (Inc. 8Y S3, Cupra Leon & MK8 Golf R)

BMS Audi Seat VW JB4 Tuning Box Group 18 (Inc. 8Y S3, Cupra Leon & MK8 Golf R)

£521.89 Inc. VAT
£521.89 Inc. VAT
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The JB4 is a true user adjustable plug and play solution.  Power Gains: Starting at peak 370bhp and 380ft lb.

The JB4 features CANbus connectivity for more advanced tuning, direct AFR control, advanced safety systems for boost, air/fuel ratio, fuel trims, and engine knock, boost mapping by gear for improved traction, integrated water/meth control, and much more. 

The unit can be used with our JB4 Bluetooth Connect kit providing for full in-car engine parameter display, map switching, and adjustment.

Stored maps available for 91/95ron and 93/98ron for manual and DSG.

You may also wish to add the Date Cable or the Bluetooth Connect Kit for additional features.


  • Up to 75hp on a stock vehicle, 50hp/65ft lbs on 91/95ron and 65hp/70ft lbs on 93/98ron
  • Improves 0-60 times and 1/4 mile times
  • Preloaded with custom tuning software and up to 8 maps for various fuel and modification levels
  • The JB4 offers a lot more performance, functionality, and safety than your average performance chip
  • Quick Plug & Play Installation
  • CANbus OBDII integration offering unrivaled tuning features and performance
  • Improved performance over non-integrated chip tunes
  • Runs as smoothly as stock, this is how your vehicle should have come from the factory
  • Compatible with all driving modes
  • Fuel economy unchanged during normal driving
  • Compatible with JB4 Mobile for smartphone logging, tuning changes, and adjustment
  • 91 octane fuel or better required for performance gains
  • Able to read/delete fault codes
  • Not VIN locked and can be removed without a trace and resold down the road
  • Made in the USA
  • Free USA Shipping
  • 5 year warranty


  • Audi S3 8Y (2021+)
  • Audi SQ2 (2021+)
  • Seat Cupra Leon (2021+)
  • Seat Formentor (2021+)
  • Volkswagen MK8 Golf R (2021+)
  • Volkswagen MK8 GTI Clubsport (2021+)
  • Volkswagen Tiguan R (2021+)

 

To ensure the part(s) you have ordered fits your vehicle, we run a compatibility check prior to dispatch. We can do this either using your registration number(UK) or the last 7 digits of your VIN. Simply enter your car details prior to checkout. 

 

2022 Golf R, 91 octane, 3rd gear runs BMS Audi Seat VW JB4 Tuning Box (inc. S3, Leon & Golf R) - ML Performance UK

2022 Golf R, 91 octane + 3 gallons E85, 3rd gear runs 

BMS Audi Seat VW JB4 Tuning Box (inc. S3, Leon & Golf R) - ML Performance UK

 


BMS191

 

Manufactured by

Burger Motorsports

 

Warranty

5 Year BMS Repair Warranty

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  • Price Match Guarantee

    We are committed to giving you the best price. if you find a lower price on the same item at an eligible UK retailer website, we will match it.

  • Next Day UK Delivery

    For in stock items, get FREE Guaranteed next day UK delivery for orders over £199, excluding delicate items, larger items and certain remote postal codes/areas. Same day dispatch available if your order is placed before 1pm UK Time.

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