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JB4 on G20 330i First impressions Technical Topics B48 4-Cylinder Turbo Engine / Drivetrain / Exhaust Modifications JB4 on G20 330i First impressions. B48/B58 GEN3 JB4 Performance Tuner Plug & play power - gain up to 130WHP on a stock vehicle without the risks of flashing! For models with the Gen3 B58 (B58N / B58TU2) and Gen3 B48 (B48N / B48P / B48TU2) engines only Brand: ES#: 4810267 Mfg#: B58GEN3-JB4 Qty: Availability: In Stock $699.00 USD. Hello r/BMW, I was wondering if anyone had any experience with piggyback tuning systems such as the ones listed in the title of this post.
I want to get some more performance out of my car without sacrificing reliability or having a huge risk of voiding the warranty. So far, the mods I have been considering are a catted downpipe, chargepipe, and a cold air intake + maybe a piggyback ECU tune. In this video I show you how to install a JB4 tuner into my 2020 BMW G20 (330i).
As it stands, I can't install the downpipe yet: (I'll be ordering some ramps or something to get this mod done. The JB4 is the most advanced and highly featured tuning system available for your B38, B46, and B48 powered BMW. Power gains are up to 40hp to the wheels (55hp crank) for a B48.
JB4 on G20 330i? All times are GMT -5. The time now is 05:59 AM. The JB4 is the most advanced and highly featured tuning system available for your B38, B46, and B48 powered BMW.
Power gains are up to 40hp to the wheels (55hp crank) for a B48, gains with bolt-on parts, higher octane, E85 mixtures, and larger turbos are even higher. In this video we put our all beutiful BMW 330i on our dyno to share the results of what the JB4 Performance Tuner can do for your B48 powered car! Purchase our BADASS MERCH: https://burgertuning. 2019+ BMW 3 AND 4-SERIES FORUMS (G2x Generation) General G20 Sedan / G22 Coupe / G26 Gran Coupe Discussions General Prerequisites for JB4 Stage 1 and Stage 2 (330i).