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 N20 Upgraded Intake Guide
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BMW N20 Upgraded Intake Guide

Upgraded intakes are our first mod recommendation for people just getting into modding their BMW’s, but also for people looking to push crazy horsepower. An upgraded intake is the building block to further modification as it provides the engine with the additional air capacity needed for high-horsepower applications. Additionally, it’s a great bang-for-the-buck mod if…

BMW B58 Upgraded Downpipe Guide
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BMW B58 Upgraded Downpipe Guide

When it comes to exhaust systems on turbocharged vehicles, specifically BMW turbo vehicles, everyone talks about the downpipe instead of the traditional cat-back system that people are most familiar with upgrading. That’s because cat-back exhaust systems and expensive and don’t really provide any power benefit. They sound great, but we’re bargain performance guys here! The…

BMW B58 Intercooler & Heat Exchanger Upgrade Guide
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BMW B58 Intercooler & Heat Exchanger Upgrade Guide

Yes, the B58 engine does have an intercooler. However, it is not the common intercooler setup you would see on most turbo vehicles. While most forced induction engines use “direct” air-to-air cooling, the B58 intercooler uses an “indirect” water-to-air cooling system. The B58 intercooler is integrated into the intake manifold. Compressed air flows through the…

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…