Does the BMW 840i Feature the B58 Engine? Expert Analysis
Determining whether the BMW 840i has a B58 engine involves understanding its engine lineage and production history. The BMW 840i, a flagship luxury sedan, originally featured the B58 inline-six as its core powertrain—a well-regarded unit known for balance, smoothness, and performance. While some market confusion exists due to overlapping naming or variant references (such as 'B58' appearing in related BMW platforms), the 840i specifically uses the B58 (or a closely related derivative) in its core engine configuration.
The B58 engine, a 3.0-liter inline-six, delivers 523 horsepower in V8 variants but in the 840i’s context, it refers to a high-efficiency, low-emission version optimized for luxury and efficiency. Engineers integrated the B58 into the 840i architecture during its 2020s redesign, ensuring alignment with BMW’s push for refined performance and emissions compliance.
Thus, the BMW 840i does have a B58 engine—specifically adapted for its platform—delivering both power and refinement.
For owners and enthusiasts, understanding this engine’s role enhances appreciation of the 840i’s engineering depth. Verify your vehicle’s service history or consult official BMW specs to confirm the B58 configuration.
Conclude by emphasizing the synergy between design excellence and powertrain precision in BMW’s premium lineup, urging readers to explore the 840i’s capabilities with confidence.
BMW changed the name of coupes to the 4 series when it introduced the F chassis in 2013. As you can see, if we compare every 335i and 340i model that is offered, there is a lot to unpack. The older 335i vehicles have both the N54 and N55 engine, while the more recent 340i variants come with the B58 or an upgraded B58TU.
The BMW B58 is a turbocharged straight-six engine, which began production in 2015. [1] The B58 replaced the N55 and was launched in the F30 340i. [2] The B58 is part of BMW's modular engine family, each engine using a displacement of 500 cc (30.5 cu in) per cylinder, following the B38 and B48 engine.
[3] The B58 engine was named to Ward's World's 10 Best Engines five times, in 2016 (installed. The standard 840i model touts the B58 engine under the hood, which is as delightful here as it is anywhere else in the BMW stable. The BMW B58 engine powers many of the brand's high-performance sedans, coupes, SUVs and sports cars.
Find out exactly which BMW models utilize this acclaimed 3.0L turbo inline. We focus mostly on the B58 since that had the most changes. TL;DR - Knowing which B58 you have can be key to ordering the right parts or upgrades.
B58A = "F" chassis BMW models - F22 M240i, F30 340i, F32 440i, G01 X3 M40i (2019), G02 X4 M40i (2019) and "early" models of 540i/740i/840i. Under the hood of the 840i you have BMW's famous B58 in-line six which is found in the entire BMW lineup including the M340i, M440i, and even the MKV Toyota Supra. Comprehensive technical documentation detailing the drivetrain specifications for the 2018-Present BMW 840i, including engine, transmission, differential, and drivetrain components.
Covers technical data, performance metrics, and maintenance guidelines specific to the B58 inline. The B58 engine is a powerful 3.0-liter turbocharged inline-six that's found in numerous BMW models from 2016 to present. You can spot it in the BMW 340i/M340i, Z4 M40i, X3 M40i, X4 M40i, 540i, 640i GT, 740i, 840i, and even the Toyota Supra (co-developed with BMW).
This engine is known for its smooth performance and quick acceleration. The BMW B58 engine is a 3.0L inline-6 turbocharged powerhouse that has garnered acclaim for its performance and modifiability. BMW knows they made something special and are using the B58 to its maximum potential.
BMW has put the B58 engine in almost all of their models including the M140i, M240i, 340i, 440i, 540i, 640i, 740i, X3 M40i, X4 M40i, X5 40i, X6 40i and the X7 40i. As you can see. Why can't I find any tuned 840i since B58? All times are GMT.