MT Auto Parts Blog | Expert Tips for BMW enthusiasts on BMW Parts, Accessories, Engines and More

So, your M5 or X5M just gave you the dreaded warning light, and you're facing the nightmare scenario: your BMW S63 engine is on its way out. Before you panic or drain your savings on a brand-new replacement, take a breath. There are better, smarter options out there, especially if you know where to look and what to watch for. Whether you're hunting for a reliable S63 engine for sale or just doing some research, this guide will give you the heads-up you need. We’ll also talk about why MT Auto Parts might just be the best starting point for getting your hands on a used BMW S63B44B engine without the stress. What Is the BMW S63 Engine? If you’re not deep into BMW-talk, here’s a quick refresher. The S63 engine is BMW’s high-performance, twin-turbocharged V8 that powers monsters like the M5, M6, X5M, and X6M. It's based on the N63 block but seriously upgraded. This isn’t your average engine. The BMW S63B44B (specifically in F90 M5s and newer models) delivers explosive power and...

The BMW M6 S63 engine is an absolute beast. It powers high-performance M models like the F06, F12, and F13 M6—perfect for anyone who craves serious speed without giving up that signature BMW luxury. But let’s be real—what do you do when this powerhouse needs new parts or even a full replacement? That’s where finding a trustworthy source for used BMW S63 engines (especially models from 2012 onward) becomes super important. In this guide, we’ll walk you through what makes the S63B44B engine so special, why it's earned its spot as one of BMW’s most respected motors, and how to shop smart when you're on the hunt for quality used parts. What Is the S63 Engine? BMW’s S63 is the high-performance beast—a 4.4-litre twin-turbo V8 engineered with the M models in consideration. It is the brainchild from the N63 engine, but is further enhanced with serious improvements to push it to the next level. We’re talking about goodies like twin-scroll turbochargers in the “hot-vee” setup, direct f...