Max Boost on Stock Turbo BMW B58 While the phrase that something is "an art, not science" is used frequently, it does not hold true with turbo boost and tuning. Turbochargers, engine internals, and ancillarily engine support systems can only hold so much boost before they give in. We're here to answer some frequently asked questions on B58 boost levels:How much boost can … [Read more...] about BMW B58 Stock Turbo Max Boost
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BMW MPPSK Package: Performance Benefits & Is it Worth the Cost?
What is the BMW MPPSK Package? The BMW MPPSK package stands for the "M-Performance Power and Sound Kit". The kit is BMW-designed and manufactured and includes a more aggressive engine tune and a performance exhaust system to increase the performance, horsepower, and sound. The kit is only available for 40i models, featuring the B58 engine. What's included in the MPPSK … [Read more...] about BMW MPPSK Package: Performance Benefits & Is it Worth the Cost?
BMW B58 MHD Tuning Guide – Info & HP Gains
B58 MHD Flash Tunes Following our general MHD post, we will now go more in-depth on B58 MHD tunes and expected power gains. Scroll down a bit if you're only interested in the power gains. Otherwise, let's quickly discuss some basic MHD B58 tuning concepts.About B58 MHD Flash Tunes MHD offers OTS (off the shelf) flash tunes for the B58 engine. OTS tunes from MHD are … [Read more...] about BMW B58 MHD Tuning Guide – Info & HP Gains
BMW B58 vs B58TU1 – Technical Update
BMW B58TU1 Technical Revision BMW's B58 engine received quite a few important technical updates beginning in 2018. The new variant is dubbed the B58TU1. It is also available in "ML" and "OL" versions. ML represents the "middle output" 335hp version, while OL is the "high output" 382hp engine. Given the B58 is still a new engine, only time will tell how much of an impact the … [Read more...] about BMW B58 vs B58TU1 – Technical Update
The 4 Most Common BMW B58 Engine Problems
Common BMW B58 40i Engine Problems BMW's B58 began production in 2015 and was initially released in 2016 40i models. Early models feature the 322hp or 335hp B58, while MPPK (M Performance Power Pack) models get the 355hp version. Certain G series models began receiving the updated B58TU1 in 2019. The TU1 update is mostly intended to improve emissions. However, it also carries … [Read more...] about The 4 Most Common BMW B58 Engine Problems