3 Things to Expect When You Upgrade Your B58 Turbocharger 

The B58 is a turbocharged, straight-six engine that powers many G Series BMW models and the Toyota A91 Supra. Since its debut in 2015, it has earned a strong reputation for both performance and tuning potential.

If your car is equipped with a B58 engine and you want more power, you are starting from a great foundation. The engine already comes with a factory turbo, but moving to an upgraded or custom B58 turbo can unlock noticeably stronger performance. Here are three things you can expect when you take that step.

Where to Start? A B58 Turbocharger Kit

If “more power” is your main goal, a B58 single turbo kit is a logical place to begin. A B58 top mount single turbo kit that retains factory control gives you a complete solution for replacing or upgrading the original turbocharger.

Opting for a full kit instead of piecing parts together on your own saves time and simplifies the project. Enthusiast-focused kits are typically built around high quality components, using materials and designs that often surpass what you get from stock hardware.

Turbocharger Choices

A B58 single turbo kit also lets you tailor the setup to your specific needs. You can select the turbo size that matches your power goals and pair it with a turbine housing A/R that suits your driving style. After that, you choose the supporting pieces needed to complete the system.

You can also look at B58 upgraded turbo options that drop directly into place with all factory style connections. These turbos are built to work with OEM connections, which keeps installation straightforward while still delivering a serious bump in performance.

Key Aftermarket Advantages

So why upgrade when the engine is already turbocharged from the factory? Aftermarket B58 turbo solutions offer several important advantages. The most obvious is more power than the stock setup can provide, which shows up clearly in real world metrics like 60 to 130 MPH times. With the right combination of hardware and calibration, it is possible to cut those times by roughly 2.6 seconds compared to a stock configuration.

Trap speed is another area where you can see a significant difference. With better flowing hardware and improved power retention at higher RPMs, gains of around 19 MPH are achievable in the right conditions. For example, a build that traps 148 MPH in stock form might reach about 167 MPH with an upgraded turbo setup.

Upgrade your B58 turbo with help from Vargas Turbocharger Technologies at vargasturbo.com