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…
How much power can the N54 engine handle in stock form? What are the limits on the N54 block, pistons, rods, etc? These questions come up frequently, but there is no perfect answer. Nonetheless, there are generally accepted limits for the N54. We lay this out straight-forward and dive into a deeper analysis of N54…
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…
BMW diagnostic code P1345 indicates a misfire on cylinder 2 with fuel cut-off. There are many different causes of misfires on BMW engines. Really an engine for that matter. Fortunately, the fix for P1345 is typically simple and not something that’s going to break your bank. Let’s jump in and discuss BMW DTC P1345. Cylinder…
The BMW M5 and M6 aren’t your traditional BMW performance cars. They are big, heavy, luxurious BMW’s. Don’t let their size fool you, though. The BMW M division doesn’t mess around when it comes to performance, and the M5 & M6 are no exception. These cars both offer a great balance of size, performance, and…
Pro Tuning Freaks (PTF) bootmod3 flash tunes are a popular option for the newer F and G chassis BMW’s. Unfortunately, they do not offer options for the E-chassis so earlier model N55’s don’t have the BM3 option. PTF BM3 offers an excellent web interface and mobile app for easy N55 tuning. Bootmod3 also comes with…
There are so many problems with this topic. For one, the M3 and 335i aren’t even in the same ballpark when it comes to price. The M3 has also been around for decades while the 335i is limited to 2007-2015. For that reason, we’ll narrow this down to the E90 and F80 M3. Another problem…
BMW’s 3-series is a staple in the car industry; many have considered it among the best entry-level performance cars for decades. Car and Driver even named the 3-series to it’s annual 10 Best list 22 times – from 1992 to 2014. That’s quite the stretch. It’s also right in the heart of the E46 and…
The B48 in 20i and 30i models is looking to be an excellent engine thus far. It’s reliable, efficient, and sporty. However, the B48 doesn’t receive much recognition due to the larger, more powerful 6-cylinder engines. That said, we’re likely writing this article too soon. There is still a lot of time, development, and testing…
The BMW X5 began its life in 1999, just a few years prior to the release of the X3. BMW refers to the X5 as a SAV, or sport activity vehicle. The X5 is still in production today, now in it’s 4th generation. In this article, we discuss the four generations of the X5 along…
Water methanol injection is common subject in the BMW tuning world. We touch on WMI in several other B58 posts, but it’s time to finally tackle the topic in full. Methanol injection comes with a handful of benefits, but it’s not without risk. In this guide, we discuss the benefits, risks, and power gains of…
It’s about time we got around to writing a water methanol injection guide for the BMW N54. WMI is an excellent source of fueling for the N54, and comes with the added benefit of cooler intake temps. However, there are also some risks and things to consider prior to opting for methanol injection. In this…
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