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.
For the most part, this is a similar post to our N55 E Chassis MHD post. However, we split up the posts since the E and F chassis N55’s use different apps from MHD. Additionally, the F chassis N55’s are a bit more capable given the EWG design as opposed to PWG. That said, some…
Though bootmod3 (bm3) is a newer flash tuning option they have quickly become one of the most popular BMW tunes. Pro Tuning Freaks bm3 offers a web interface and mobile apps for simple flash tuning. Bootmod3 also offers a handful of off-the-shelf flash maps loaded with cool features. If you’re in the market for a…
Charge pipes are a common discussion on turbo BMW engines. The charge pipe (CP) is partly responsible for carrying charge air (or boosted air) to the engine. Unfortunately, BMW’s N55 engine uses a plastic charge pipe. The N55 charge pipe is prone to cracking and popping off at higher than stock boost levels. It’s not…
Previously, we wrote a post about modding BMW N63 engines to make 500+whp on stock turbos. These are already impressive results. However, that’s simply not enough power for some N63 owners. That’s where N63 and N63tu upgraded turbos come into play. Although, upgrading N63 twin turbos does come with additional risks. In this guide, we’ll…
Alright, this is a tough article to write after we’ve written so much of this content for turbo BMW engines. The N52’s performance potential is often overshadowed by that of the N54 and other turbo BMW engines. When it comes to N52 performance mods, many will simply say, “buy a turbo BMW”. We’re here to…
We’re finally getting around to writing about upgraded N54 inlets and outlets. Oddly, they’re mods we often overlook despite running upgraded inlets and outlets on our 2007 335i. Inlets and outlets are also some of the best mods for the N54. Turbo inlets are the intake pipes that run from the intakes to the turbos….
We’re finally following up on our general MHD post. This guide will go more in-depth on BMW N55 MHD E series flash tunes and expected power gains. All E series N55s use PWG. However, some F series are also PWG rather than EWG. The F series uses a different MHD app, so we will write…
Some were pessimistic about the B58’s tuning potential; especially after N55’s took a step down from the N54. Fortunately, the B58 has exceeded the expectations of many. There are already a handful of B58 engines pushing into the 700-800+whp range. It makes sense the B58 is progressing quickly given the N54 and N55 helped the…
We previously wrote a post about modding an S55 to make 600+whp on stock turbos. It’s pretty insane what the S55 M3 and M4 accomplish on stock turbos. However, it’s simply not enough for some. If you maxed your turbos and still want more then upgraded turbos may be for you. While the S55 is…
The BMW S55 intercooler and heat exchanger debate is a touchy subject. Not many debate that the factory S55 cooling system is capable. Especially when compared to the N54 or N55. However, some believe there are still gains to be had from aftermarket upgrades. Others believe it’s a waste of money. In this guide, we…
Dual cone intakes are one of our favorite bolt-on mods for twin turbo BMW engines. The factory air-boxes are restrictive on tuned S63’s, leading to a reduction in air flow and sounds. Wake up your modded BMW S63tu M5 or M6 with upgraded dual cone intakes. In this guide, we will discuss the benefits to…
BMW’s S63 is a seriously powerful engine when tuned. Actually, the S63 M5 and M6 are so powerful it just about maxes the stock DCT with a tune-only. Following a tune, upgraded downpipes are the next best bolt-on to extract more power. Although, this may push the transmission past it’s limits. More on this later….
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