Max Boost on Stock Turbo BMW N55 This question comes up frequently. What is the max boost the N55 stock turbo can handle? How much PSI is realistic on the stock turbo without killing longevity? While there is no exact science, let's jump in and examine the limits of the N55 stock turbo.N55 Stock Turbo Max Boost PSI There are a few things to consider here. You don't want … [Read more...] about BMW N55 Stock Turbo Max Boost
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BMW N54 vs. N55 vs. B58 vs. S55: Performance & Reliability
BMW N54 vs N55 vs B58 vs S55 Ever since the twin turbo N54 hit the markets in the 2007 BMW 335i, BMW has been building on the design of the turbocharged, direct injected inline 6 engine. In 2010, the 335i received the updated N55 engine followed by the B58 in 2016, however, the model was rebranded to the 340i. Unsurprisingly, the success of the turbocharged inline 6 led to its … [Read more...] about BMW N54 vs. N55 vs. B58 vs. S55: Performance & Reliability
The 5 Most Common BMW N55 Engine Problems – Failures & Performance Problems
The Most Common BMW N55 135i, 235i, 335i, 435i, 535i Engine Problems N55 Common Engine & Reliability Problems For those in the market looking to purchase a BMW 135i, 335i, or 535i one important aspect to consider is reliability. In this post, we intend to highlight the most common problems with the N55 platform; please keep in mind – this is not an exhaustive list of … [Read more...] about The 5 Most Common BMW N55 Engine Problems – Failures & Performance Problems
How to Build a 400whp N55 for Under $1500
Building a 400WHP N55 with 5 Simple Bolt-Ons We wrote a similar post for the N54, which seemed to be a popular and informative post for those looking to learn more about the engines capabilities. For those who read our post about the BMW N54, it should be noted the N55 is not quite as capable as the N54 mod-for-mod for two reasons. One – the N55 features a twin-scroll single … [Read more...] about How to Build a 400whp N55 for Under $1500
BMW N55 Turbo Upgrade Options & Setup Guide
BMW N55 Turbo Upgrade Guide Turbos are great. Especially BMW’s N55 twin-scroll turbocharged engine. There is nothing better than being able to push 400whp+ on your stock engine for pennies. Well, maybe there is something better…UPGRADED TURBO!This N55 turbo upgrade guide will dig into the intricacies of upgrading your N55 turbo and help you decide whether stage 1, 2 or 3 … [Read more...] about BMW N55 Turbo Upgrade Options & Setup Guide