BMW’s N20 engine featured in the 228i, 328i, 428i, 528i, as well as other 28i variants, did not built up the greatest aftermarket and tuning reputation, as the engine has been touted as fragile. Although the N20 is not the strongest motor there is still plenty of power to be unleashed with a tune and basic bolt-ons. In stock form, the N20 was quoted right around 240hp and … [Read more...] about BMW N20 Tuning Guide – 350hp for $1,500
The 5 Most Common BMW N55 Engine Problems – Failures & Performance Problems
The Most Common BMW N55 135i, 235i, 335i, 435i, 535i Engine Problems N55 Common Engine & Reliability 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 problems with the N55 platform; please keep in mind – this is not an exhaustive list of … [Read more...] about The 5 Most Common BMW N55 Engine Problems – Failures & Performance Problems
How to Build a 400whp N55 for Under $1500
Building a 400WHP N55 with 5 Simple Bolt-Ons We wrote a similar post for the N54, which seemed to be a popular and informative post for those looking to learn more about the engines capabilities. For those who read our post about the BMW N54, it should be noted the N55 is not quite as capable as the N54 mod-for-mod for two reasons. One – the N55 features a twin-scroll single … [Read more...] about How to Build a 400whp N55 for Under $1500
BMW N55 Turbo Upgrade Options & Setup Guide
BMW N55 Turbo Upgrade 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…UPGRADED TURBO! This N55 turbo upgrade guide will dig into the intricacies of upgrading your N55 turbo and help you decide whether stage 1, 2 or 3 … [Read more...] about BMW N55 Turbo Upgrade Options & Setup Guide
BMW N54/N55 E-Series Electric Water Pump Replacement DIY (Video)
BMW N54/N55 Electric Water Pump Replacement DIY Signs of N55 Water Pump Failure: Engine overheating significantly – usually rapid over-heating once the pump fails Cooling Fan running full speed (noisy) Coolant boiling out of coolant cap N55 CEL Codes for Failing Water Pump: 2E81, 2E82, 2E83, 2E84, 2E85 377A Remember to check fuses Replacement … [Read more...] about BMW N54/N55 E-Series Electric Water Pump Replacement DIY (Video)