BMW N55 Turbo Upgrade Options & Setup Guide
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BMW N55 Turbo Upgrade Options & Setup 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…an upgraded turbo! This N55 turbo upgrade guide will dig into the intricacies of upgrading your N55 turbo and help you decide whether stage 1,…

BMW N54 Intercooler Guide – Best N54 FMIC’s
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BMW N54 Intercooler Guide – Best N54 FMIC’s

Front mounted intercoolers are extremely important applications on turbocharged cars. Intercoolers cool the compressed air created from the turbochargers, reducing the temperature and increasing the density of the air that is fed into the engine. Cooling the air makes the air more oxygen rich, therefore improving the combustion in the engine by allowing more fuel…

BMW N54 Downpipes: Catless vs. Catted High-Flow Downpipes
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BMW N54 Downpipes: Catless vs. Catted High-Flow Downpipes

Why Upgrade my N54 Downpipes? One of the biggest restrictions on the BMW N54 powered 135i, 335i and 535i is the factory catted downpipes. Downpipes bolt directly to the turbochargers and the factory catalytic converters create significant back-pressure which results in slower turbo spool. Modifying your N54 with catless or high-flow catted downpipes results in…

How-To Build a 500HP 135i, 335i, 535i N54 BMW for Less Than $1,500
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How-To Build a 500HP 135i, 335i, 535i N54 BMW for Less Than $1,500

The BMW N54 engine featured in the 135i, 335i, and 535i is one of the most tune-able engines ever. Some people call it the ‘2JZ’ of German engines, but we think the N54 is on a whole new level. The N54 engine has forged internals, meaning it can handle an immense amount of power without…

N54 Tuning Preparation: How to Prep your N54 for 500hp
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N54 Tuning Preparation: How to Prep your N54 for 500hp

The N54 is a very strong production motor that is restricted by the low-boost setting of the stock tune. Due to the n54’s capabilities there are no supporting modifications required despite a tunes ability to increase horsepower and torque by nearly 100 over stock. However, there are a few minor maintenance items that should be…