If you want to search for a specific topic use the following keys: Windows: Ctrl + F Mac: Command + F We’ll break this down into the following sections: If you are looking for a long-form article that goes into detail about N55 specs, modifications, common engine problems, and reliability, check out our Ultimate BMW…
BMW is showing their commitment to the N63. The N63 was released in 2008 and remains in production as of 2020. However, the N63 is almost a completely different engine compared to 12 years ago. Really, the only thing that hasn’t changed is the 4.4L twin turbo V8 design. Let’s dive in and examine the…
When the BMW N20 and B48 engines were released, they had big shoes to fill. They power 20i, 25i, 28i, and 30i models; a large percentage of all BMW models. Additionally, the N20 was tasked with replacing BMW’s wildly successful naturally aspirated inline 6 engines. These small 2.0L turbo engines are fuel efficient, emissions friendly,…
BMW’s B58 engine received quite a few important technical updates beginning in 2018. The new variant is dubbed the B58TU1. It is also available in “ML” and “OL” versions. ML represents the “middle output” 335hp version, while OL is the “high output” 382hp engine. Given the B58 is still a new engine, only time will…
Around 2009, BMW launched the “BMW EfficientDynamics” program. EfficientDynamics is the name of a strategy for BMW to reduce CO2 emissions and improve fuel efficiency all while maximizing performance. The strategy features approximately six different technologies developed by BMW to do just that. BMW BluePerformance with AdBlue is one of the EfficientDynamics technologies, launched in 2009…
Differenzierte Sauganlage – and because German’s can’t pronounce this either, BMW just took the first two letters from each word and called this the DISA Valve. BMW’s engineers discovered that the air path through the engine system has an impact on performance. In an effort to improve performance, BMW released the DISA valve in 1995….
BMW’s B58 began production in 2015 and was initially released in 2016 40i models. Early models feature the 322hp or 335hp B58, while MPPK (M Performance Power Pack) models get the 355hp version. Certain G series models began receiving the updated B58TU1 in 2019. The TU1 update is mostly intended to improve emissions. However, it…
This question comes up frequently. What is the max boost the N55 stock turbo can handle? How much PSI is realistic on the stock turbo without killing longevity? While there is no exact science, let’s jump in and examine the limits of the N55 stock turbo. BMW N55 Stock Boost Factory N55 boost levels are…
BMW’s S54 engine debuted in the 2000 E46 M3 and remained in production through 2008, powering only the E85 Z4 M Roadster in the later years. The stout inline-6 S54 managed an impressive 102.5hp per liter in the 333hp US models. Notably, it is the last naturally aspirated inline-6 M3 engine. BMW tested the V8…
If you want to search for a specific topic use the following keys: Windows: Ctrl + F Mac: Command + F We’ll break this down into the following sections: *We will continue adding to this post over time. Please let us know in the comments if there is something you would like to see discussed….
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…
The BMW M50 engine is the successor to the M20, and predecessor to the M52 engine. The M50 was used solely in the E34 520i and 525i, and the E36 320i and 325i. It is a straight six, or inline-6, coming in at either 2.0L (M50B20) or 2.5L (M50B25). In September of 1992, the engine…
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