N55 WMI Guide We finally wrote some methanol injection guides for the N54 and B58 engines a couple months back. Now it's time to show the N55 some love and discuss water methanol injection. It's an excellent source of fueling for the N55, and also helps the engine run cooler. There are, however, some risks to running meth injection. In this article, we discuss benefits, risks, … [Read more...] about BMW N55 Water Methanol Injection (WMI) Guide
N55
BMW E90 E92 Suspension Upgrade Guide
E90 & E92 Suspension Mods We believe BMW did an excellent job with the E90 and E92 chassis. They might not be the lightest cars compared to the previous 3 series models. However, the E9x chassis offers great balance and the power steering feels flawless. Of course, with most E90 and E92's nearing or surpassing a decade old a lot of the suspension parts are likely on their … [Read more...] about BMW E90 E92 Suspension Upgrade Guide
BMW N55 Upgraded Exhaust Guide
BMW N55 Exhaust Upgrades Our blog has guides for most basic bolt-on mods for the BMW N55 engine. We always overlook exhaust upgrades, less the downpipe. There's a reason we've skipped over exhausts, though. They're pricey for minimal performance gains when you compare exhaust mods to tunes, downpipes, intercoolers, etc. However, aftermarket exhaust set ups do have a few … [Read more...] about BMW N55 Upgraded Exhaust Guide
BMW N55 Fueling Mods Guide
N55 Fueling Limits & Upgrades In this guide, we discuss the N55 stock fueling limits and upgrades available. What are the limits of the N55 fuel system? At power power do N55 HPFP, LPFP, and port injection upgrades become necessary? How does E85 affect the N55 fueling limits? We'll answer these questions and then some. Additionally, we will list a few of the top fueling … [Read more...] about BMW N55 Fueling Mods Guide
BMW N55 BM3 F-Chassis Tuning Guide
Bootmod3 N55 F-Chassis Tunes Pro Tuning Freaks (PTF) bootmod3 flash tunes are a popular option for the newer F and G chassis BMW's. Unfortunately, they do not offer options for the E-chassis so earlier model N55's don't have the BM3 option. PTF BM3 offers an excellent web interface and mobile app for easy N55 tuning. Bootmod3 also comes with a few off-the-shelf map options … [Read more...] about BMW N55 BM3 F-Chassis Tuning Guide