What is the max boost the stock N63tu twin turbos can handle? How much PSI can the N63tu twin turbos handle without completely killing longevity? We see the questions asked often, and they’re valid questions. However, there is not always a perfect answer. Regardless, we will lay it out as clearly and straight-forward as possible….
What is the max boost the B48 turbo can handle? How much PSI can the B48 stock turbo handle without ruining longevity? These are questions we see come up often. They’re valid questions, however, there is no perfect answer. Nonetheless, we’ll lay it out as straightforward as possible. In this guide, we will discuss B48…
We know, we know. The title of the site is not going to help plead our case. Regardless, we will do our best to make this an unbiased comparison. It’s true – we love BMW’s because we believe they’ve built some of the best inline-6 turbo engines ever. We also believe the N54 is an…
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 see this question come up often with various answers. What is the max boost S55 stock twin turbos can handle? How much PSI can they handle without completely killing longevity? These are valid questions but, unfortunately, there is no one size fits all answer. In this guide, we will lay it out as straightforward…
This is a popular question asked for all the modern turbo BMW engines. The S63 powered M5 and M6 are certainly powerful cars with capable turbos. However, everything has its limits. In this post, we’ll discuss the S63 stock turbo limits along with longevity and altitude effects. S63tu Stock Turbo Max PSI Before we give…
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…
In this article we will aim to have some fun and showcase unique sounds of the N54 engine. The N54’s reputation in the tuning world has led to a large aftermarket scene. You’ve got massive single turbos revving to 8k RPM’s to almost stock N54’s with loud exhaust, and everything between. N54 pops, burbles, flames,…
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….
Dual cone intakes on twin turbo BMWs are an excellent bolt-on mod. The factory S55 air-box is restrictive on the top-end and muffles turbo and induction sounds. However, replacing the restrictive OEM M3 & M4 system with a performance intake is a great way to extract some extra power and sound. In this guide, we…
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