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

BMW N54 Tune Comparison: 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…

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

​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….