Which BMW Models Have the B58 Engine?

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If you’ve spent any time in the world of BMWs, then there's a high chance you’ve heard about the B58 engine, and for good reason. It’s one of BMW’s most praised engines, loved for its power, reliability, and smooth delivery. But which BMWs actually come with this legendary engine? 

Let’s move in and find out what makes the B58 so special and which models you’ll find it in.

First Things First: What’s the B58 Engine?

The BMW B58 engine is part of BMW’s modular engine lineup and made its debut in 2015, stepping in to replace the older N55 engine. Right out of the gate, it brought noticeable improvements: more power, better efficiency, and a more refined driving experience.

Here’s a quick snapshot of what the B58 brings to the table:

  • Engine Type: 3.0-litre inline-six

  • Turbo: Single twin-scroll turbocharger

  • Horsepower: Ranges from about 322 hp up to 382 hp, depending on the model

  • Torque: Up to 369 lb-ft

It also features advanced technology, including direct fuel injection, Valvetronic variable valve timing, and BMW’s Double-VANOS system, which helps fine-tune performance and efficiency. All of that wrapped up in one package makes this engine a solid all-rounder: fast, efficient, and dependable.

Which BMWs Rock the B58 Engine?

Now let’s talk about the BMWs that actually run on this special engine. You’ll find it powering everything from sporty coupes to family-friendly SUVs.

  1. BMW 3 Series – M340i

This one's a fan favourite. The M340i uses the B58 to deliver up to 382 hp, and it absolutely flies. It’s quick off the line, sharp in the corners, and still comfy enough to use as a daily driver.

  1. BMW 4 Series – M440i Coupe, Convertible & Gran Coupe

It's the same story here. The M440i variants are built for fun. That B58 engine provides punchy acceleration and a smooth, satisfying growl, especially when you put your foot down.

  1. BMW 5 Series – 540i

If you're looking for something a bit more refined, the 540i blends luxury and performance, and the B58 is a big part of that equation. It’s the kind of car you can cruise in all day, and then open it up on the highway for a little adrenaline hit.

  1. BMW Z4 – M40i

This sporty roadster is built to turn heads and carve corners. The M40i version of the Z4 gets the full 382 hp B58 setup, and it sprints from 0 to 60 in just over 4 seconds. Top-down driving has never felt so good.

  1. BMW X Series – X3 M40i & X4 M40i

Need more space but don’t want to sacrifice driving thrills? These sporty SUVs hit the sweet spot. With the B58 under the hood, both the X3 and X4 M40i offer plenty of muscle, whether you’re commuting or road-tripping.

What Makes the B58 So Special?

You’ve got several options with BMW, but the B58 is in a league of its own. Here’s why it stands out:

  • Excellent Cooling System: It features a built-in water-to-air intercooler, which helps reduce turbo lag and keeps the engine running efficiently.

  • Tough as Nails: The engine uses a closed-deck design, making it stronger and more resistant to high boost levels. It is perfect for people who want to tune or push performance.

  • Smooth and Responsive: Whether you’re cruising or gunning it, the power delivery is smooth and always ready to go.

It’s no surprise this engine has landed on Ward’s 10 Best Engines list more than once. It's pretty special.

Want to Buy a B58 Engine?

Are you thinking about swapping engines or doing an upgrade? You can get used, genuine, OEM, or aftermarket B58 engines from MT Auto Parts. You can be sure you’re getting a good quality engine from us with a 30-day warranty (terms & conditions apply). 

MT Auto Parts is a family-run business with years of experience and state-of-the-art expertise in BMW cars and their parts. You can also have your engine delivered to your doorstep within 48 hours. 

B58 vs. Other BMW Engines: How Does It Compare?

Let’s talk about comparisons between the B58 and other engines.

Versus the N55: The B58 replaced the N55, and it’s a noticeable step up. The N55 was known for its reliability and smooth performance, but the B58 builds upon it in nearly every way: delivering more power, improved fuel economy, and a more modern design.

Versus the S58: Now, if you’re eyeing something even more performance-focused, you’ve probably heard about the BMW S58 engine. That’s what powers the full-blown M models, such as the X3 M and M4. It’s based on the B58 but tuned to deliver even more punch and sharper response. But for everyday performance with a little kick, the B58 hits the sweet spot.

Final Thoughts

The B58 engine truly lives up to the hype. Whether you’re driving a sleek Z4, a luxury 540i, or a sporty M340i, this engine delivers a blend of power, refinement, and reliability that makes every drive something to look forward to. BMW nailed it with the B58, and it’s no wonder it’s become such a favourite among fans and gearheads alike. So if you're thinking of getting that engine in your car, contact MT Auto Parts today.

FAQs

Which BMWs have the B58 engine?

You’ll find it in the M340i, M440i, 540i, 740i, Z4 M40i, and even in the Toyota Supra (A90).

When did the B58 engine come out?

BMW first rolled out the B58 in 2015.

Does the M4 have a B58 engine?

No. The BMW M4 is powered by the S55 or S58 engine. The F82 or F83 (F Gen) M4 have the S55 engine, while G82 or G83 (G Gen) M4 have the S58 engine.

Is the B58 better than the N55?

In most ways, yes. The B58 offers more power, better fuel efficiency, and greater reliability overall.

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