BMW N20 Engine Problems

BMW N20 Engine Common Problems & Reliability Issues

The BMW N20 is a 4-cylinder, turbocharged engine produced from 2011-2017, and was BMW’s replacement for the naturally aspirated 3.0L 6-cylinder N52/N53 engines. As the outgoing N52 and N53 were reliable engines, the BMW N20 had big shoes to fill, especially given its turbocharged design. Turbo engines are more complex and require several additional components,…

BMW N55 Engine Problems

The 5 Most Common BMW N55 Engine Problems – Failures & Performance 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 N55 engine problems; please keep in mind – this is not an exhaustive list of every single potential problem. All cars and engines will…

BMW N54 vs N55
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BMW N54 vs. N55 Comparison: Horsepower, Reliability, and Tune-ability

Before purchasing a turbocharged 135i, 335i or 535i it is important to consider the differences between the N54 and N55-powered BMWs. The N54 began production in 2006 and first appeared in the 2007 BMW 335i; in 2008, the N54 was introduced along with the 135i and 535i. BMW’s N55 engine began production in 2009 and…

N54 JB4 vs Cobb vs MHD
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BMW N54 Tune Comparison: JB4 vs. Cobb vs. MHD

Tuning is without question the most important modification when it comes to extracting maximum performance from your N54 engine. Before purchasing a tune for your N54 it is important to consider the pros and cons of the available tunes on the market. This post will highlight the differences between the common N54 tunes and hopefully…

BMW E85 Fuel Guide

​Ethanol (E85): Should You Use Ethanol Blends in Your BMW?

A quick Google search will reveal that there is no shortage of debates regarding the use of ethanol fuel. However, most articles focus on the sustainability and feasibility of ethanol fuels. Although sustainability is important to consider, the real question is whether or not higher ethanol mixtures increase engine longevity and performance in the long-term….