Sun's Out Deals On! Enjoy 10% off a wide range of car parts with no minimum spend. Hurry, these sizzling deals won’t last long!
BMS
Notify Me When Available
Collect 0 points
Purchasing this product will earn you 0 loyalty points worth £0.00 GBP.
Fitting service at Xatrix, West Yorkshire
We can offer a fitting service for this part. Contact us for a fitting quote.
The ultimate tune for your S55 powered vehicle, the JB4 allows you to go from factory stock to full race, and everywhere in between, with the push of a button on your steering wheel. 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, map switching in dash, electronic wastegate control, ethanol fuel support, and built in advanced CANbus based diagnostic tools. Installation is completely removable with no splicing or cutting of factory wires.
You may also wish to add the Data Cable or the Bluetooth Connect Kit for additional features.
For the latest performance results, updates, firmware, and map guide be sure to visit N54tech.com.
JB4 Map Guide
Map 0: Disable JB4 / Full Pass Through Mode
Map 1: Stage1 map adding approximately 40whp and 40wtq across the power band on pump gas. Suitable for all stages and fuel mixtures.
Map 2: Slightly more aggressive version of map 1 intended for vehicles with exhaust modifications and 93+ octane fuel. Can also be used with E85 and racing fuel mixtures.
Map 3: Slightly less aggressive version of map 1 intended for vehicles running on lower grade fuels such as 91 octane.
Map 4: OEM performance but with JB4 active for diagnostics only.
Map 5: //M low torque / linear throttle map.
Map 6: Custom tuning map.
Map 7: Race gas map. Requires 100 octane unleaded fuel and for the fuel mass connector to be installed. This map can also be used with up to 35% E85.
Map 8: Methanol injection map. Requires BMS FSB controller or methanol kit for progressive mapping and safety systems.
2018+ F87 LCI M2 Competition (S55)
2020+ F87 LCI M2 CS (S55)
2014+ F80 M3 (S55)
2014+ F82 M4 / M4 CS (S55)
JB4 Dyno results
Dragy run on Stock F87 LCI M2 Competiton with unfinished custom map6 setup
F-S55-JB4
Manufactured by
Burger Motorsports
Warranty
5 Year BMS Repair Warranty
JB4 Optional Phone Software
Change maps on the fly
JB4 S55 CAN Flap DEMO
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.
For in-stock item, get guaranteed next day UK delivery. Same day dispatch available on in-stock items if your order is placed before 1pm UK Time.
We ship worldwide via DHL International, simply enter your full address at checkout to see the shipping option(s) and quote(s). Same day dispatch available if your order is placed before 1pm UK Time on all in stock items!
