BMW N55 Upgraded Intercooler (FMIC) Guide
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BMW N55 Upgraded Intercooler (FMIC) Guide

An often overlooked performance upgrade on the BMW N55 engine is the cooling system. When you’re focused on horsepower, it doesn’t seem too appealing to spend $500 on a “mod” that doesn’t really produce meaning performance gains. However, an N55 upgraded intercooler (FMIC) is one of the best modifications for tuned N55s. Rather than being…

BMW N55 Downpipes Guide: Catless vs. High-Flow
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BMW N55 Downpipes Guide: Catless vs. High-Flow

The exhaust downpipe is the first part of the exhaust system on the N55 engine. It bolts-up straight to the turbocharger and passes air from the turbo to the cat-back portion of the full exhaust system. The OEM downpipes have catalytic converters on them, for emissions purposes. However, the catalytic converters are extremely restrictive and…

BMW N55 EWG vs PWG

BMW N55 EWG vs PWG

What is the difference between PWG and EWG N55 engines? This question comes up often and is a big talking point regarding the N55’s performance. EWG and PWG refer to the turbocharger wastegates. Though it sounds like a minor difference, the wastegates play an important role in tuning and power. Let’s jump in and examine…

BMW N55 FAQ

BMW N55 FAQ

If you want to search for a specific topic use the following keys: Windows: Ctrl + F Mac: Command + F We’ll break this down into the following sections: If you are looking for a long-form article that goes into detail about N55 specs, modifications, common engine problems, and reliability, check out our Ultimate BMW…

BMW MHD Tuning App – N54, N55, S55, B58 & N13 Flash Tunes
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BMW MHD Tuning App – N54, N55, S55, B58 & N13 Flash Tunes

MHD offers flash tunes for the turbo BMW N54, N55, S55, B58, and N13 engines. Their app is easy to use and makes tuning your BMW a breeze. However, the app is only available on android devices. Unfortunately, Apple prohibits the use of 3rd party USB cables, so iOS is out of luck (not completely)….