Jb4 Bmw M2 Competition
By the Editorial Staff
March 16, 2026
Take your turbo BMW M3/M4 and M2 Competition to the next level with JB4 The ultimate tune for your S55 powered vehicle, the JB4 allows you to go from factory stock to full race, and everywhere in between. Made in USA. 5 Year Warranty.
Fast Free Shipping on JB4 tuners. BMW M2 Forums 2023+ (G87) Engine, Exhaust, Drivetrain, Tuning Modifications 6MT JB4 Testing Results Thread Tools Bookmarks twitter Facebook Digg Google StumbleUpon del.icio.us My Yahoo! Tune your BMW S55 M3.
M4, or M2 Competition with the JB4. The JB4 tuner offers excellent features and power gains of 120whp and 140wtq. BMS JB4 Tuner - BMW F8X M3/M4/M2 Competition S55 (1 Review) Read Product Details $599.00 Pay over time with Affirm.
See if you qualify at checkout. Made in the USA Free USA Shipping 5 year warranty S55 JB4 Applications BMW M2 2018 2019 2020 M2 Competition (S55 Engine) BMW M3 2015 2016 2017 2018 2019 F80 M3 BMW M4 2015 2016 2017 2018 2019 F82 F83 M4, M4 GTS, M4 CS What is a JB4? The JB4 is a plug & play tune available for turbocharged vehicles. 5 year warranty S55 JB4 Applications BMW M2 2018+ M2 Competition (S55 Engine) BMW M3 2015-2019 F80 M3 BMW M4 2015+ F82 F83 M4, M4 GTS, M4 CS S55 BMW M3/M4 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. The BMW S55 engine is found in the M3, M4 and the new M2 competition. With already impressive stock power figures, once tuned the BMW S55 becomes a real super car slayer!
In today's video, we're taking my buddy's 2021 BMW M2 Competition to the next level with some serious upgrades. M2 Technical Topics > S55 Engine / Drivetrain / Exhaust / Bolt-ons / Tuning > JB4 for M2C? Both options allow you to record and analyse 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.
Separate JB4 Mobile app purchase also required. JB4 Tuner for S55 BMW M3 M4 M2 competition JB4 Features & Benefits.