Cars With B58 Engine: What You Need To Know

Table of Contents

Key Takeaways

The B58 engine takes everything great about the N55 and turns it up a notch—more power, better efficiency, and rock-solid reliability.
Popular models like the BMW 340i, 440i, M240i, and Toyota Supra (A90) showcase the best of what the B58 can do.
Performance metrics are impressive across the board, with strong horsepower and torque that translate into quick 0-60 MPH times.
Maintenance is straightforward, but it’s important to be aware of common issues and costs to keep everything running smoothly.
The future of the B58 is promising, with potential upgrades and a role in BMW’s sustainability goals, ensuring it stays competitive.
Comparisons with other engines highlight the B58’s strengths, showing why it’s a top pick for anyone in the market for a high-performance car.
Buying a B58-equipped car? There are key things to consider, like mileage, condition, and how well the car holds its value.

Introduction to the B58 Engine

Overview of the B58 Engine

When it comes to performance engines, the B58 from BMW has definitely grabbed my attention—and for good reason. As someone who’s always been fascinated by the inner workings of engines, I find the B58 to be a brilliant blend of innovation and tradition. It’s not just about raw power; it’s about delivering that power in a way that feels effortless and refined. Whether you’re new to BMW or a long-time fan, understanding what makes the B58 special is a must.

Evolution from the N55 Engine

The B58 engine isn’t just the next step after the N55; it’s a big leap forward. I was curious to see how BMW would improve on the already impressive N55, and after driving a few B58-powered cars, I’m convinced they nailed it. The B58’s closed-deck design and integrated water-to-air intercooler are just a couple of the smart upgrades that really make a difference. It’s more powerful, more reliable, and just feels more refined overall.

Key Features of the B58 Engine

Advanced Cooling System

If you’ve ever pushed an engine hard, you know how crucial it is to keep things cool. That’s where the B58’s advanced cooling system comes in. BMW made a clever move with the B58’s water-to-air intercooler. It keeps the engine cool and lets you push the car harder without worrying about overheating. I’ve found this feature especially useful on long drives where consistent performance is key.

Lightweight Construction

I’ve always believed that the balance between power and weight is what makes a great driving experience, and the B58’s lightweight construction nails it. BMW’s use of aluminum and magnesium isn’t just for show—it makes the car feel more agile and responsive. The first time I drove a B58-powered car, I could feel the difference in how it handled, especially in the corners. It’s lighter, and that translates directly into a more enjoyable drive.

Turbocharging Technology

Turbo lag can really ruin an otherwise great engine, which is why I’m so impressed with the B58’s twin-scroll turbocharger. This isn’t just any turbo—it’s designed to minimize lag and maximize power delivery across the rev range. From the moment you hit the gas, the B58 responds with a surge of power that’s immediate and smooth. If you care about having a responsive, powerful engine, this is a game-changer.

List of Cars Equipped with the B58 Engine

BMW 340i / 440i

The BMW 340i and 440i are where many enthusiasts, myself included, first encountered the B58 engine. These cars hit that sweet spot between luxury, performance, and practicality—a rare combo that’s tough to beat. I still remember my first drive in a 340i, where the engine’s smoothness and power delivery left a lasting impression. It’s no surprise these models are favorites among those who want a car that does it all.

BMW M240i

The M240i is one of those cars that just gets everything right. It’s compact, powerful, and an absolute blast to drive. Whether you’re carving up a back road or just getting through your daily commute, the M240i is a joy. The B58 engine in this model is tuned to deliver 335 horsepower, and believe me, you feel every bit of it when you’re behind the wheel.

Toyota Supra (A90)

When Toyota decided to bring back the Supra with a BMW engine, I’ll admit I was skeptical. But after spending some time with the A90 Supra, I’m all in. The B58 engine was the right call, delivering performance that lives up to the Supra’s legendary name while bringing the reliability and refinement of a modern BMW. It’s a partnership that works, and the end result is a car that’s both exciting and dependable.

BMW Z4 M40i

The BMW Z4 M40i shares the same heart as the Supra, but with its own distinct personality. If you love the idea of a top-down drive with a powerful engine, the Z4 M40i won’t let you down. The B58 engine provides the Z4 with plenty of punch, making it just as fun on twisty roads as it is cruising along the coast. This car is all about the joy of driving, and the B58 is a big part of that.

BMW X3 M40i / X4 M40i

I’ve always had a soft spot for SUVs that don’t skimp on performance, and the BMW X3 M40i and X4 M40i deliver in spades. These aren’t just your average family SUVs—they’ve got real driving pleasure baked in, thanks to the B58 engine. Whether you’re towing, commuting, or just enjoying a spirited drive, these models balance power and practicality in a way that’s hard to find.

BMW M340i / M440i

The M Performance versions of the 3 and 4 Series take everything that’s great about the standard models and crank it up. I’ve had the chance to drive both the M340i and M440i, and the enhanced B58 engine in these cars offers a driving experience that’s nothing short of exhilarating. The extra power and M-specific tuning make these cars stand out even among BMW’s already impressive lineup. If you want the best of both worlds—performance and refinement—these models are worth every penny.

Other Models Featuring the B58 Engine

While the B58 is most commonly associated with the models mentioned above, it’s also found in other BMW vehicles like the 740i, X5, and X6. Each of these cars brings something different to the table, but they all share the B58’s core strengths—power, smoothness, and efficiency. If you’re looking for something a little off the beaten path, these models are definitely worth a closer look.

Performance Metrics of the B58 Engine

Horsepower and Torque

One thing that really stands out about the B58 engine is how consistent the power delivery is, no matter which model it’s in. Whether you’re driving a 340i or a Z4, the engine feels potent and responsive. In most cases, you’re looking at between 320 and 382 horsepower, with torque figures ranging from 330 to 368 lb-ft. What those numbers mean for you? A driving experience that’s both exciting and reliable, no matter which B58 model you’re in.

0-60 MPH Times

I’m all about the numbers when it comes to performance, and the B58’s 0-60 MPH times never disappoint. Most cars with the B58 can hit 60 MPH in the low 4-second range, with some models even dipping below 4 seconds. These acceleration figures aren’t just about bragging rights—they show how well the B58 can deliver power quickly and efficiently, making every drive a thrill.

Fuel Efficiency

I love a powerful engine, but I also appreciate not having to stop for gas every few hours. That’s where the B58 really impresses me—it balances power and efficiency in a way that’s rare for engines in this class. On the highway, you can expect to see fuel efficiency in the range of 25 to 30 MPG, which is pretty impressive considering the performance on offer. It’s a best-of-both-worlds situation that makes the B58 stand out.

The B58 Engine in Motorsports

Racing Successes

While I haven’t personally raced a B58-powered car, I’ve been following its success in various motorsport events. The engine’s reliability and power output make it a natural choice for endurance racing and time attack challenges. Seeing the B58 handle tough race conditions really drives home just how capable this engine is. It’s not just about putting up big numbers—it’s about doing it consistently, race after race.

Popularity in Tuning and Aftermarket

The B58 is a tuner’s dream, and I’ve seen how well it responds to aftermarket modifications. Whether you’re looking to bump up the boost, upgrade the intercooler, or even go for a bigger turbo, the B58 can handle it. The aftermarket support for this engine is massive, allowing you to push its performance even further while keeping its reliability intact. If you’re into tuning, the B58 is an excellent platform to start with.

Maintenance and Reliability of the B58 Engine

Common Maintenance Issues

No engine is perfect, and the B58 is no exception. That said, it’s one of the more reliable performance engines I’ve come across. Common issues include oil leaks, especially from the oil filter housing gasket, and the occasional cooling system problem. But these are things you can stay on top of with regular maintenance. From my experience, keeping up with oil changes and coolant levels goes a long way in preventing bigger problems down the road.

Cost of Ownership

Owning a car with a B58 engine doesn’t have to break the bank, but you should be prepared for some costs. While the engine is generally reliable, performance parts and labor can get expensive, especially if you’re pushing the car hard or taking it to the track. Budgeting for regular maintenance and the occasional repair is key to enjoying a trouble-free ownership experience. It’s worth it, though, for the performance you get in return.

Pros and Cons of Owning a B58-Equipped Car

Advantages

Performance: The B58 engine offers a perfect blend of power and efficiency, making it ideal for both spirited driving and daily commuting.
Reliability: With proper maintenance, the B58 is known for its durability and longevity.
Tuning Potential: The B58 engine responds well to tuning, with many aftermarket options available to increase power output.

Disadvantages

Cost: The B58 is usually easy on the wallet when it comes to maintenance, but repairs—especially big ones like the turbo—can get pricey.
Potential Maintenance Issues: Like any high-performance engine, the B58 can develop issues over time, particularly if not properly maintained.

Case Studies: Popular Cars with B58 Engine

Case Study: BMW 340i

The BMW 340i is a perfect example of how the B58 engine can elevate a car. I’ve spent a lot of time behind the wheel of a 340i, and it’s one of those cars that just feels right in every situation—whether you’re cruising on the highway or tackling a twisty back road. Owners love the car’s blend of luxury and performance, and the engine is a big part of that. It’s smooth, powerful, and has proven to be reliable over time, even as the miles pile up.

Case Study: Toyota Supra

The Toyota Supra has been reborn with the B58 engine, and the results speak for themselves. I was a little unsure when I first heard about BMW powering the new Supra, but after driving it, I’m convinced it was the right move. The engine’s contribution to the Supra’s success can’t be overstated. It delivers the performance you expect from a Supra while offering the kind of reliability and refinement that BMW is known for. Long-term feedback has been overwhelmingly positive, with many owners praising both the car and the engine.

Future of the B58 Engine

Potential Upgrades and Enhancements

I’m really excited to see what BMW has in store for the B58. As they continue to refine their engines, I wouldn’t be surprised to see the B58 get even better—whether that’s through improved fuel efficiency, lower emissions, or even more power. Hybrid technology might even be in the cards, blending traditional engine performance with modern innovation. Whatever comes next, I’m confident the B58 will continue to be a standout in BMW’s lineup.

Environmental Considerations

Sustainability is becoming more important in the automotive world, and BMW is leading the charge. The B58 engine is likely to play a role in BMW’s efforts to reduce emissions and improve fuel efficiency. I believe the B58’s future is bright, especially as it adapts to meet stricter environmental regulations without losing the performance edge we’ve come to love.

Comparison with Other Engines

B58 vs. N55

When you compare the B58 to its predecessor, the N55, it’s clear that BMW has made some big improvements. The B58 is more powerful, more efficient, and more reliable—a trifecta that makes it the better choice. Having driven both, I can say the B58 feels like a natural evolution of what made the N55 great, with all the rough edges smoothed out.

B58 vs. S55

The B58 often gets compared to the S55 engine found in BMW’s M models. While the S55 has more power on tap, the B58 strikes a better balance for everyday driving. It’s versatile, smooth, and plenty powerful for most enthusiasts. Unless you’re regularly hitting the track, the B58 is more than enough engine to keep you smiling.

B58 vs. Competitor Engines

When you stack the B58 up against similar engines from other manufacturers, like Mercedes-Benz’s M256 or Audi’s 3.0 TFSI, it more than holds its own. The B58 offers comparable performance with the added benefit of BMW’s engineering expertise. If you’re in the market for a high-performance car, B58-equipped models should definitely be on your radar.

Buying Guide for B58-Equipped Cars

What to Look for When Buying

When you’re in the market for a B58-equipped car, there are a few key things to keep in mind. Mileage, service history, and overall condition are all important factors. From my experience, it’s worth taking the time to find a well-maintained example. Look for cars with a full service history and avoid those with signs of neglect or excessive wear. It might take a bit longer to find the right car, but it’s worth it for the peace of mind.

Pricing Guide

Prices for B58-equipped cars vary depending on the model and year, but the good news is that these cars tend to hold their value well. Even older models with the B58 engine are still sought after, thanks to the engine’s reputation for reliability and performance. If you’re thinking about making a purchase, I’d recommend keeping an eye on the market—these cars offer a great mix of performance and long-term value.

Conclusion

The B58 engine is BMW engineering at its best—powerful, efficient, and reliable. It’s hard to find an engine that does it all as well as this one. Whether you’re after a sporty coupe, a luxurious sedan, or a versatile SUV, a car with the B58 engine is sure to provide a rewarding driving experience. With the right maintenance, these engines can deliver years of dependable performance, making them a smart choice for anyone who loves to drive.

Frequently Asked Questions (FAQs)

What is the lifespan of a B58 engine?

With regular maintenance, the B58 engine can easily surpass 150,000 miles, with many examples reaching 200,000 miles or more without major issues.

How does the B58 engine compare to the N55?

The B58 engine is more powerful, efficient, and reliable than the N55, making it a significant upgrade in BMW’s lineup.

What are the most common problems with the B58 engine?

Common issues include oil leaks and cooling system problems, but these can be mitigated with regular maintenance.

Can the B58 engine be tuned for more power?

Yes, the B58 engine responds well to tuning, with many aftermarket options available to increase its power output.

Is the B58 engine reliable for long-term ownership?

Yes, the B58 is known for its reliability and durability, making it a good choice for long-term ownership.

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