N55 F Chassis MHD Flash Tunes – Power Gains & Info For the most part, this is a similar post to our N55 E Chassis MHD post. However, we split up the posts since the E and F chassis N55's use different apps from MHD. Additionally, the F chassis N55's are a bit more capable given the EWG design as opposed to PWG. That said, some early year F chassis cars may use PWG. The … [Read more...] about BMW N55 F Chassis – MHD Flash Tunes Horsepower Gains
BMW N20 Stock Turbo Max Boost
Max Boost on Stock Turbo BMW N20 This is a question that comes up often. What is the max boost the N20 stock turbo can handle? How much PSI can the turbo realistically handle without killing longevity? These are valid questions, however it's not an exact science. Regardless, in this post we will lay it out as clearly as possible.N20 Stock Turbo Max Boost Before we dive … [Read more...] about BMW N20 Stock Turbo Max Boost
BMW B58 BM3 Tuning Guide – Info & Horsepower Gains
Bootmod3 B58 40i Tuning Guide Though bootmod3 (bm3) is a newer flash tuning option they have quickly become one of the most popular BMW tunes. Pro Tuning Freaks bm3 offers a web interface and mobile apps for simple flash tuning. Bootmod3 also offers a handful of off-the-shelf flash maps loaded with cool features. If you're in the market for a B58 tune the bm3 should … [Read more...] about BMW B58 BM3 Tuning Guide – Info & Horsepower Gains
BMW N55 Charge Pipe Upgrade Guide
N55 Upgraded Charge Pipe Guide Charge pipes are a common discussion on turbo BMW engines. The charge pipe (CP) is partly responsible for carrying charge air (or boosted air) to the engine. Unfortunately, BMW's N55 engine uses a plastic charge pipe. The N55 charge pipe is prone to cracking and popping off at higher than stock boost levels. It's not even an uncommon failure at … [Read more...] about BMW N55 Charge Pipe Upgrade Guide
BMW N63 Upgraded Twin Turbo Guide
N63 & N63TU 50i Guide to Upgraded Twin Turbos Previously, we wrote a post about modding BMW N63 engines to make 500+whp on stock turbos. These are already impressive results. However, that's simply not enough power for some N63 owners. That's where N63 and N63tu upgraded turbos come into play. Although, upgrading N63 twin turbos does come with additional risks. In this … [Read more...] about BMW N63 Upgraded Twin Turbo Guide