QUICK REFERENCE GUIDE: NOTE: To get the multi-item discount prices listed above for ARM Downpipes, Charge Pipe, and Intake, please select these additional items from the drop down menu on the. The BMW N54 is bursting with opportunity and changing the tuning scene due to its easy horsepower and now inexpensive price tag. Starting back in 2007, the N54 engine first hit the scene in the BMW 335i. It then made its way to the 135i in 2008 and a slew of other models all the way through 2010.

Out of the box, the 335i comes with a 300hp engine which produces an equal 300ft/lbs of torque. But we’re here for REAL power!

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So how do we get it? N54 TUNE It all begins with a tune. A tune will absolutely transform your N54 and increase power by almost 100hp! Not a bad start, right? There are many tuning options out there for the N54 platform, but there are a few that stand head and shoulders above the rest. The N54 tune that deserves prime recognition is Burger Motorsports’ JB4. This piggyback tune flipped the N54 tuning game on its head.

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Before it came about, only expensive flash tunes were available. There are many features that make this a great tuning option, among which is the unique ability to change tuning maps on the fly with your steering wheel controls! COBB Tuning also released a flash tuner, the AccessPort. It comes with a well-designed programmer that hooks up to your OBD port. With this unit, you can change the tuning program on your N54 to one of their off-the-shelf maps or a custom map.

Another tuning option that has been becoming increasingly popular is the MHD Flasher tune. This is available as a download on Google Play. The MHD Flasher allows you to buy tunes for your N54 right off the mobile app and upload it to your ECU via OBD connection. An excellent option if you don’t want the hassle of rearranging your DME wires under the hood.

Vikings season 1 cast. Most importantly, regardless of which tuning platform you go with, you will want to make sure you have access to a map that allows you to run E85. It may come as a surprise to some, but an N54 can pick up anywhere from 30-50hp from adding this eco-friendly alternative to the tank. Of course, you can use any of these Stage 1 tunes as is on a stock car, but if you want to go Stage 2 and beyond you'll need to get.

N54 DOWNPIPES Downpipes for your N54 are the next biggest bang for your buck. It’s simple: if it weren’t for the restrictive OEM N54 downpipes, you would be able to increase boost on a Stage 2 tune and make more power. But the OEM downpipes are so restrictive that they prevent this simple increase in boost from being a safe option. By replacing your OEM N54 downpipes with catless or high-flow catted downpipes, you allow more flow through your exhaust system, and now you can increase the boost! Expect gains of approximately 50HP when upgrading the downpipes and flicking the switch to Stage 2 tuning. The difference in power gains from a catless downpipe compared to a high flow catted downpipe are only a few horsepower.