Check out our N54 content ranging from common N54 engine problems to N54 port injection guides and everything between. Don’t miss our upgrade guides: Upgraded twin turbos, single turbo upgrades, downpipes, inlets & outlets, and more.
In our general MHD post we discussed some of the basics of the MHD tuning app and installation. This post will cover the various BMW N54 flash maps along with supporting mods and expected horsepower on each map. To note – this post is based on the V8.1 maps available for the N54. For more…
MHD offers flash tunes for the turbo BMW N54, N55, S55, B58, and N13 engines. Their app is easy to use and makes tuning your BMW a breeze. However, the app is only available on android devices. Unfortunately, Apple prohibits the use of 3rd party USB cables, so iOS is out of luck (not completely)….
Even today, we see this question asked all too often along with many conflicting responses. We’ll keep this post rather short and straight to the point. However, the answer does depend upon each persons goals and plans for their N54. What is the max boost you should run on your N54 stock turbos? N54 Max…
We recommend Burger Motorsports JB4 tune not only as an excellent stand-alone tune, but also for its advanced safety, boost control, and data logging. The JB4 works wonders whether you are running the JB4 as a stand-alone tune or coupling it with a back-end flash tune. Data logging is essential to ensure your tuned and…
The 30FF BMW fault code is one you do not want to see on your BMW. Unfortunately, if you are here, I’m guessing you’ve got the dreaded code and are looking for answers and hoping those answers don’t come with big dollar signs. The 30FF code will usually read “DME: Turbocharger, charge-air pressure too low“….
This is a DIY guide for replacing the rear brake pads on your E90, E91, E92, or E93 BMW 3-series. If you’re also replacing your front E90 brake pads, the steps are very similar, however, there are a few differences. We will link our front brake pad DIY here once we have completed it! This…
While the BMW N54 can push incredible power and torque through the small stock twin turbos, many enthusiasts want to take their N54 to the next level. Upgraded turbos are at the forefront of discussion when it comes to unleashing the N54’s full potential. Despite its reputation as a strong factory motor, upgrading to a…
How to Replace your BMW E90 Brake Pad Sensor Your BMW brake pad sensor is what controls the “brake” light on your dashboard or iDrive system and lets you know how much life you have left in your brake pads. The sensor mounts onto the brake pad; once the brake pads fully wear down, the…
BMW’s boost pressure release system is controlled by a diverter valve instead of a traditional blow off valve. A diverter valve serves the same purpose as a blow off valve, although they function somewhat differently. N54’s come stock with diverter valves, mounted onto a chargepipe, which is responsible for routing air to the engine. As…
Cost to Own a BMW 335i N54 When it comes to owning an N54 powered BMW 335i many are driven away due to concerns over the cost of repairs and maintenance. Reliability is a case by case basis; some may experience endless issues while others may go 100,000+ miles without any significant problems. A majority…
Ever since the twin-turbo N54 hit the market in the 2007 BMW 335i, BMW has been building on the design of the turbocharged, direct-injected inline 6 engine. In 2010, the 335i received the updated N55 engine followed by the B58 in 2016, however, the model was rebranded to the 340i. Unsurprisingly, the success of the…
Let me grab my flame suit in advance as I have a feeling this may turn ugly rather quickly. When it comes to modern BMW engines (lets define modern as engines produced by BMW after the year 2000) there are two engines that stand out to me. Two engines that hopefully represent the future of…
