This page is dedicated to BMW Mod Guides. Guides range from 500+hp N54 bolt-ons, N54 port injection, S55 turbo guides, B58 downpipes, and plenty more. Check out all of the awesome BMW turbo engine performance content.
The 2018+ F90 M5 is an absolutely insane car from top to bottom. It’s no secret the S63tu4 engine in the M5 is severely underrated from the factory. BMW quotes the F90 M5 competition model at 617 horsepower and 553 torque. In reality, this engine puts down about 620 horsepower and 600+ torque to the…
We finally wrote some methanol injection guides for the N54 and B58 engines a couple of months back. Now it’s time to show the N55 some love and discuss water-methanol injection. It’s an excellent source of fueling for the N55, and also helps the engine run cooler. There are, however, some risks to running meth…
We believe BMW did an excellent job with the E90 and E92 chassis. They might not be the lightest cars compared to the previous 3 series models. However, the E9x chassis offers great balance and the power steering feels flawless. Of course, with most E90 and E92’s nearing or surpassing a decade old a lot…
We’re following up our S55 twin turbo upgrade guide with a similar article for single turbo kits. Many BMW enthusiasts are familiar with the S55 M3 & M4’s accomplishments. It didn’t take much time for the S55 to break into the 600whp ballpark on stock turbos. A few years later, RK Tunes broke the 1000whp…
The BMW N20 2.0L 4-cylinder is a great engine overall. They’re sporty, efficient, and fairly reliable engines. A tune and simple bolt-on mods can also push the N20 beyond 300whp. Those looking to push things to the next level will need to consider an N20 turbo upgrade. However, pushing the N20 engine too far doesn’t…
In this article, we discuss the B58 stock fueling limits and upgrades available? What are the limits on the B58 and B58TU fuel systems? What power do B58 HPFP and port injection upgrades become necessary? How do E85 mixtures tie into the fueling limits? We’ll move through this questions and then some. Additionally, we list…
The new BMW B series modular engines went in a new direction for charge air cooling. BMW changed to a top mount air-to-water intercooler design. As such, the B48 does not use a traditional FMIC. Whether or not these upgrades are worth it on the B46/B48 is up for debate. Worry not, though. In this…
Our blog has guides for most of the basic bolt-on mods for the BMW N55 engine. We always overlook exhaust upgrades, less the downpipe. There’s a reason we’ve skipped over exhausts, though. They’re pricey for minimal performance gains when you compare exhaust mods to tunes, downpipes, intercoolers, etc. However, aftermarket exhaust setups do have a…
BMW’s S65 engine in the 2008-2013 E90/E92 M3 is well-known for its amazing sounds and high-revving ability. With 414 horsepower from the NA V8 it’s no slouch, even by todays standards. However, some look to bolt-on performance mods to take the S65 M3 to the next level. In this guide, we’ll discuss a few of…
In this guide, we discuss the N55 fueling limits and upgrades available. What are the limits of the N55 fuel system? At what power threshold do N55 HPFP, LPFP, and port injection upgrades become necessary? How does E85 affect the N55 fueling limits? We’ll answer these questions and then some. Additionally, we will list a…
The BMW M54 engine first hit markets in 2000. It’s available in 2.2L, 2.5L, and 3.0L variants that offer 170-228 horsepower. It may not sound like a lot by today’s standards and it’s probably not. However, the performance is highly impressive for the early 2000s and the E46 BMW’s are pretty light. There’s no question…
A charge pipe (CP) is an excellent early mod to knock out on your BMW N54. It’s not so much for the performance benefit as it is for the peace of mind. The stock N54 CP is plastic and is prone to cracking under higher than stock boost. Chargepipe upgrades also allow the option to…
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