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.
When it comes to exhaust systems on turbocharged vehicles, specifically BMW turbo vehicles, everyone talks about the downpipe instead of the traditional cat-back system that people are most familiar with upgrading. That’s because cat-back exhaust systems and expensive and don’t really provide any power benefit. They sound great, but we’re bargain performance guys here! The…
Yes, the B58 engine does have an intercooler. However, it is not the common intercooler setup you would see on most turbo vehicles. While most forced induction engines use “direct” air-to-air cooling, the B58 intercooler uses an “indirect” water-to-air cooling system. The B58 intercooler is integrated into the intake manifold. Compressed air flows through the…
The exhaust downpipe is the first part of the exhaust system on the N55 engine. It bolts-up straight to the turbocharger and passes air from the turbo to the cat-back portion of the full exhaust system. The OEM downpipes have catalytic converters on them, for emissions purposes. However, the catalytic converters are extremely restrictive and…
A lot of people cringe at the idea of a “cold-air” intake. Theory has it that a cold air intake has a bigger filter which lets in more particles which kills your engine life quicker. And that they don’t offer that much of a performance benefit. The first part about engine lifespan is blah blah….
The BMW S63tu is a 4.4L twin turbo V8 found in 2012-2017 M5 and M6 models. It produces an astounding 560hp and 500 lb-ft of torque from the factory. Even better, like many BMW engines, the S63 is also underrated. Aftermarket dyno tests show the S63 around 530whp and 520wtq. Nor does it end there….
Following our general MHD post, we will now go more in-depth on B58 MHD tunes and expected power gains. Scroll down a bit if you’re only interested in the power gains. Otherwise, let’s quickly discuss some basic MHD B58 tuning concepts. About B58 MHD Flash Tunes MHD offers OTS (off the shelf) flash tunes for…
A few months ago I published an article about N54 upgraded twin turbo setups. Finally, after months of researching, we are happy to present this BMW N54 single turbo guide. These two guides can be used in conjunction to help N54 owners decide on the ultimate upgraded turbo setup. We also have a guide on…
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)….
BMW has shown their commitment to the BMW N63 engine. It was first released in 2008 and remains in production as of 2020. The twin turbo 4.4L V8 N63 received a few updates along the way. 2012 saw a large improvement (N63TU) with the addition of valvetronic, revised turbos, lighter pistons, forged rods and crank,…
BMW really did it this time. The N54 shattered expectations in the tuning world, but suffered early reliability issues. BMW took a step back with the N55, focusing on improving reliability. Enter the BMW S55. The engine that took some of the great aspects from each engine, but took it 7000 levels higher. BMW’s S55…
The B48 is one of BMW’s newer modular engines, that are fitted in a host of entry-level models in their lineup including the 230i, 330i, 430i, and 530i. You will find this 4-cylinder turbo to be responsive and fuel-efficient. However, once you get used to the power, the B48 may feel a bit flat and could…
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