News

B58 Charge Pipe Failure: Why the Plastic Pipe Cracks and What to Replace It With
A sudden loss of power, a loud whoosh and a limp-mode warning usually means the factory plastic charge pipe has let go. Here is why it happens on tuned B58s and which aluminum replacements fit your car. Read more...
Best First Mods for a B58: A Stage-by-Stage Guide for the Supra, M340i, M240i and Z4
The B58 is one of the easiest engines to make power with, but the order you do things in matters. Here is the mod path we recommend, stage by stage, with the supporting parts each step needs. Read more...
B58 Gen 1 vs Gen 2 (B58TU): What Changed, and Which Parts Fit Which
BMW revised the B58 in 2019 and again in 2022. Here is how to tell which generation you have, what actually changed, and why charge pipes, fuel pumps, plugs and tuners are generation-specific. Read more...
Spark Plugs for Tuned B58 & S58 Engines: When to Replace, What to Gap, and Why It Matters
Misfires under boost? Start with your plugs. Here's the replacement interval, gap spec, and step-by-step approach for tuned B58 and S58 engines. Read more...
Why Port Injection Is the Key to Big Power on E85 (B58 & S58 Explained)
The B58 and S58 make easy power on ethanol — until the factory fuel system runs out. Here's why port injection and an auxiliary fuel system are the real unlock. Read more...
JB4 vs MHD vs bootmod3: Which Tune Is Right for Your B58?
Piggyback or flash tune? We break down the real differences between the JB4, MHD, and bootmod3 for the B58-powered Supra and BMW, and help you pick the right path. Read more...