Hey car enthusiasts! Ever dreamt of transforming your BMW E39 M5 into an even more exhilarating machine? Well, you're in the right place! We're diving deep into the world of performance upgrades, specifically focusing on the Eisenmann Race Exhaust system for the legendary E39 M5. This upgrade is a game-changer, and we're going to explore what makes it so special, why it's a must-have for M5 owners, and what you can expect from the installation and, most importantly, the sound! Get ready to rev your engines, because we're about to make your M5 sing a tune like never before.

Why Choose the Eisenmann Race Exhaust for Your E39 M5?

So, you might be wondering, why the Eisenmann Race Exhaust? What sets it apart from the myriad of other exhaust systems out there? Simply put, Eisenmann is renowned for its exceptional quality, precision engineering, and, let's be honest, that unforgettable sound. The E39 M5 is already a performance icon, a masterpiece of engineering. However, the stock exhaust, while good, doesn't quite unleash the full potential of the S62 V8 engine. That's where Eisenmann steps in. They design their exhausts not just to sound better, but to perform better. This means optimized flow, reduced backpressure, and a noticeable increase in horsepower and torque.

• Performance Gains: The Eisenmann Race Exhaust is meticulously crafted to improve exhaust flow. This reduction in backpressure allows the engine to breathe more freely, resulting in increased horsepower and torque. You'll feel the difference, especially in the mid-range and top end. It's not just a subtle change; it's a transformation that makes the car feel more alive and responsive. You'll notice quicker acceleration, improved throttle response, and a more eager engine. Guys, let me tell you, it's a grin-inducing experience every time you hit the gas.
• Superior Build Quality: Eisenmann's commitment to quality is evident in every aspect of their exhaust systems. Constructed from high-grade stainless steel, these exhausts are built to last. They can withstand the rigors of daily driving and the demands of track use. The welds are impeccable, the fitment is precise, and the overall construction exudes quality. You're not just buying an exhaust; you're investing in a piece of engineering art that will enhance both the performance and the aesthetics of your E39 M5. Believe me, these exhausts are a long-term investment that you won't regret.
• The Sound: Ah, the sound! This is where the Eisenmann Race Exhaust truly shines. It's a symphony of raw power and refined aggression. The deep, throaty growl at idle transforms into a high-pitched, race-inspired scream as you accelerate. It's a sound that turns heads, demands attention, and leaves an unforgettable impression. The exhaust note is perfectly tuned to complement the character of the S62 engine. It enhances the driving experience, making every journey more exciting and engaging. Trust me, once you hear it, you'll be hooked. It's addictive.

Understanding the Eisenmann Race Exhaust System

Let's delve deeper into what makes the Eisenmann Race Exhaust system tick. These systems are not just a simple bolt-on affair; they are engineered with precision to extract maximum performance from your E39 M5. The design incorporates several key elements:

• Material and Construction: The exhaust systems are typically made from T304 stainless steel. This material is known for its durability, resistance to corrosion, and ability to withstand high temperatures. The stainless steel construction ensures that the exhaust system maintains its integrity and appearance over time, even under harsh driving conditions. The construction process includes precision welding and meticulous attention to detail, resulting in a product that is both robust and visually appealing.
• Design and Flow Dynamics: Eisenmann engineers the exhaust systems to optimize exhaust flow. This involves careful consideration of pipe diameters, bends, and the placement of resonators and mufflers. The goal is to minimize backpressure, allowing the exhaust gases to escape quickly and efficiently. This optimized flow improves engine performance and contributes to the distinctive sound. The design also takes into account the specific characteristics of the S62 engine, ensuring that the exhaust system complements the engine's power delivery.
• Components of the System: The Eisenmann Race Exhaust system typically consists of a rear muffler section and connecting pipes. Some systems may also include a mid-pipe with resonators or catalytic converter replacements (for off-road use). The rear muffler section is the heart of the system, responsible for the exhaust note. The connecting pipes are designed to fit seamlessly with the existing exhaust system, ensuring a straightforward installation. The modular design allows for customization and flexibility, allowing you to tailor the system to your specific needs and preferences. Each component is meticulously engineered to work together harmoniously, creating a cohesive and high-performing system. The mid-pipe design often incorporates specific features like Helmholtz resonators, which are tuned to eliminate specific frequencies of drone and ensure a smooth, pleasant exhaust note.

Installation Process: What to Expect

Installing an Eisenmann Race Exhaust on your E39 M5 is a relatively straightforward process, especially if you have some experience with car modifications. However, it's always recommended to have a professional mechanic handle the installation if you're not comfortable working on your car. Here's a general overview of what you can expect:

• Preparation: Before you start, gather all the necessary tools and equipment. This includes a jack and jack stands, wrenches, sockets, a torque wrench, and potentially a saw or cutting tool if you're removing the old exhaust system. Make sure you have enough space to work comfortably and safely. Safety glasses and gloves are also essential. If you are replacing the catalytic converters, you may need additional tools and equipment.
• Removal of the Old Exhaust: Start by safely lifting the car and securing it with jack stands. Then, locate the existing exhaust system and begin disconnecting it. This typically involves unbolting the exhaust from the catalytic converters or headers, as well as any hangers or brackets that secure the system to the chassis. Be careful not to damage any surrounding components during the removal process. The old exhaust system can be heavy, so be prepared to handle it safely.
• Installation of the Eisenmann System: With the old exhaust removed, you can begin installing the Eisenmann Race Exhaust. Align the new system with the existing exhaust connections and secure it with the provided hardware. Ensure all connections are properly aligned and tightened to the specified torque. Double-check all connections to ensure there are no leaks. Pay close attention to the placement of the exhaust tips, ensuring they are positioned correctly and look aesthetically pleasing.
• Final Checks and Adjustments: Once the installation is complete, lower the car and start the engine. Listen for any leaks or unusual noises. Check the exhaust tips to ensure they are properly aligned. Make any necessary adjustments to ensure a perfect fit and finish. It's also a good idea to take the car for a short test drive to ensure the exhaust system is performing as expected. Check everything again after the test drive. You are good to go! If you encounter any issues during the installation, don't hesitate to seek professional assistance.

Sound Comparison: Stock vs. Eisenmann Race Exhaust

The difference in sound between the stock exhaust and the Eisenmann Race Exhaust is significant. The stock exhaust is designed to be relatively quiet, prioritizing comfort and minimizing noise. While it provides a pleasant sound, it doesn't fully showcase the potential of the S62 engine. The Eisenmann Race Exhaust, on the other hand, is all about enhancing the sound, producing a deep, throaty growl at idle that transitions into a high-pitched scream under acceleration.

• Idle Sound: The stock exhaust produces a subtle rumble at idle, barely noticeable in some cases. The Eisenmann Race Exhaust, however, creates a much more pronounced and aggressive sound. It’s a low, resonant growl that immediately grabs your attention, hinting at the power and performance that lies beneath the hood. The difference is night and day; the Eisenmann exhaust makes a bold statement from the moment you start the car.
• Under Acceleration: When you hit the gas, the stock exhaust's sound remains relatively muted, even under hard acceleration. The Eisenmann Race Exhaust truly comes alive. It unleashes a high-pitched, race-inspired scream that reflects the engine's revs. The sound is much more vibrant and exciting. It's a visceral experience that adds to the thrill of driving the E39 M5. The sound is more defined, crisp, and pure, giving the car a more aggressive and sporty feel.
• Overall Impression: The Eisenmann exhaust completely transforms the sound of the E39 M5. It enhances the driving experience, making it more engaging and exciting. The difference is more than just about volume; it’s about character. The Eisenmann exhaust adds a layer of depth and emotion to the car, making it a true performance machine. It’s a change that you'll hear and feel every time you drive. You can really feel the difference!

Maintaining Your Eisenmann Race Exhaust

Proper maintenance is essential to ensure that your Eisenmann Race Exhaust continues to perform at its best and retains its stunning appearance. Here’s how to keep your system in top condition:

• Regular Cleaning: Regularly clean the exhaust system to remove dirt, grime, and road salt. Use a mild soap and water solution and a soft cloth to avoid scratching the stainless steel. Be sure to dry the exhaust thoroughly after cleaning to prevent water spots and corrosion. Frequent cleaning will keep the exhaust looking its best and protect the finish. Guys, you want your M5 to look as good as it sounds, right?
• Inspection for Damage: Regularly inspect the exhaust system for any signs of damage, such as dents, cracks, or corrosion. Check the welds and connections for any leaks or signs of wear. Address any issues promptly to prevent them from worsening. Early detection of any problems can prevent bigger, costlier repairs down the road. It’s wise to keep an eye on your exhaust to catch any issues early.
• Material Protection: Consider using a protective coating or sealant on the stainless steel to protect it from the elements and prevent corrosion. Products specifically designed for exhaust systems can enhance durability and maintain the exhaust’s appearance. These coatings can provide an extra layer of protection, especially if you live in an area with harsh weather conditions or road salt.
• Professional Servicing: Although the exhaust system is robust, it's wise to have it inspected by a professional mechanic during routine car servicing. They can identify any potential issues that may not be immediately apparent. This can help prevent larger problems and ensure the longevity of your exhaust system. It is always wise to seek expert advice, and the professionals will make sure your investment is well taken care of.

Common Issues and Troubleshooting

While the Eisenmann Race Exhaust is generally very reliable, here are some common issues and how to troubleshoot them:

• Exhaust Leaks: Exhaust leaks can manifest as unusual noises, reduced performance, or even the smell of exhaust fumes inside the car. Check the connections at the flanges and around the mufflers for any leaks. Tighten any loose bolts or replace gaskets as needed. You can often detect a leak by listening for a hissing sound when the engine is running or by feeling for escaping exhaust gases. Make sure you don't burn yourself in the process. Any mechanic will tell you to be careful.
• Drone: Drone is a low-frequency noise that can be annoying at certain engine speeds. Some exhaust systems can produce drone. If you experience drone, it may be due to the design of the exhaust. Solutions may include adding resonators or modifying the exhaust system. If the drone is excessive, it is wise to consult a professional mechanic. Don't worry, there's always a fix.
• Rattling or Vibration: Rattling or vibrations can be caused by loose components or improper installation. Inspect all brackets, hangers, and connections to ensure they are securely fastened. Make sure that the exhaust system is not touching any other parts of the car. Check to see if anything has become loose from driving too fast, or maybe some rough terrain. If the issue persists, a professional assessment is your best option.
• Performance Problems: If you notice a reduction in performance, it could be due to a leak, restriction, or other issue with the exhaust. Have a professional inspect the exhaust system for any problems. Reduced performance could also be due to unrelated issues, so have your car inspected to determine the cause.

Conclusion: Is the Eisenmann Race Exhaust Right for You?

So, is the Eisenmann Race Exhaust the right upgrade for your E39 M5? If you're looking to elevate your driving experience, enhance the sound of your car, and unlock the full potential of the S62 engine, then the answer is a resounding yes. This exhaust system is a premium upgrade that delivers both performance and aesthetics. It’s a true investment in your driving pleasure.

• Pros: The Eisenmann Race Exhaust offers significant performance gains, superior build quality, and an incredible sound that truly sets the E39 M5 apart. The sound alone makes it worth the investment. It’s loud, it’s aggressive, and it’s pure adrenaline on wheels.

• Cons: The Eisenmann Race Exhaust is a premium product, and the price reflects its quality and performance. If you're on a tight budget, it may not be the best choice. Some people might find the exhaust noise too loud for daily driving, though most M5 owners consider it a plus. There might be some drone at certain speeds, but this can often be mitigated. However, if you're seeking the ultimate driving experience, the pros far outweigh the cons.

• Final Verdict: If you're serious about upgrading your E39 M5 and are looking for a top-of-the-line exhaust system that delivers both performance and auditory pleasure, then the Eisenmann Race Exhaust is a fantastic choice. It will transform your driving experience and make every drive an unforgettable event. Do it. You won't regret it. You're giving your car the gift of a lifetime.