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1312, 2017

The 8 Most Common BMW N54 Engine Problems – Common Failures and Performance Issues

By |December 13th, 2017|Categories: General, N54 Maintenance|35 Comments

The 8 Most Common BMW N54 135i, 335i, 535i Engine Problems The BMW N54 engine might be the best tuner engine of all time…at least we think so. Before we even get started, I’m going to drop a plug for a soon-to-come post on why the N54 engine is better and more tuner friendly than a 2JZ. Hopefully I can get some Toyota fans to read it so we can stir up some drama. Anyways, back to the point. The [...]

712, 2017

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

By |December 7th, 2017|Categories: General|7 Comments

BMW N54 vs. N55: The Key Differences You Need to Know to make an Informed Decision Before purchasing a turbocharged 135i, 335i or 535i it is important to consider the differences between the N54 and N55 powered BMW’s. 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 started replacing the N54 in 2010. However, most [...]

412, 2017

Diagnosing a Failing BMW Vanos System – When to Repair Your Vanos

By |December 4th, 2017|Categories: N54 Maintenance|27 Comments

When to Replace or Rebuild your BMW VANOS System This guide brought to you by BMW N54 Tuners will explain what the VANOS system is, the importance of the technology, and most importantly when and why it should be replaced or rebuilt. The VANOS system isn't unique to the N54 engine; it is used in many variations of BMW engines. However, for tuning purposes it is important to at least be able to identify VANOS problems, and know how to [...]