For Bmw Z4m enthusiasts, the quest for the perfect exhaust note is a common pursuit. The S54 engine under the hood of the Z4M is a masterpiece, and unlocking its full auditory potential with an aftermarket exhaust system can dramatically enhance the driving experience. Navigating the vast landscape of available options can be daunting. This guide aims to be your definitive resource, consolidating information on a wide array of axel-back exhaust systems designed specifically for the BMW Z4M. Whether you are a seasoned owner or new to the Z4M community, this compilation will help you explore and compare various exhaust systems, from subtle enhancements to aggressive roars, ensuring you find the ideal sound to match your driving style and preferences. This article focuses on axel-back systems, providing a comprehensive overview excluding headers, section 1 pipes, and X-pipes, to give you a clear picture of your rear exhaust upgrade choices.
Exhaust Options for the BMW Z4M: A Detailed Overview
Let’s delve into the specifics of each exhaust system, exploring their characteristics, and aesthetics to help you make an informed decision for your BMW Z4M.
AC Schnitzer Exhaust for BMW Z4M
Retail: Discontinued (estimated original price unknown)
AC Schnitzer, a renowned name in BMW tuning, offers an exhaust system for the Z4M that embodies their signature blend of performance and understated style. Rumored to be manufactured by Remus, the AC Schnitzer exhaust maintains a refined sound profile, described as mellow and drone-free, making it suitable for drivers who prefer a subtle upgrade. The system is distinguished by its tip designs, offering both double rounded “Racing” trim tips and rectangular “Sport” trim tips, allowing for customization of the rear aesthetic. For those seeking a touch of classic BMW tuner elegance with a moderate sound enhancement, the AC Schnitzer exhaust presents a sophisticated option.
Image of AC Schnitzer exhaust “Sports” trim tips on a BMW Z4M
Image alt text: AC Schnitzer BMW Z4M exhaust system with “Sports” rectangular trim tips, showcasing the subtle and refined design.
Image of AC Schnitzer exhaust “Racing” trim tips
Image alt text: Close-up of AC Schnitzer “Racing” exhaust tips, featuring double rounded outlets for a sporty BMW Z4M aesthetic.
Image of Walkurie’s BMW Z4M fitted with the Racing trim ACS exhaust
Image alt text: BMW Z4M Roadster equipped with AC Schnitzer exhaust and Racing trim tips, demonstrating the exhaust system installed on the vehicle.
Image of Gold/bronze tipped ACS exhaust on a BMW Z4M
Image alt text: Unique gold or bronze tipped AC Schnitzer exhaust system on a BMW Z4M, highlighting a custom or rare variant of the exhaust.
Image of Rear view of Gold/bronze tipped ACS exhaust on a BMW Z4M
Image alt text: Rear angle shot of a BMW Z4M with gold or bronze tipped AC Schnitzer exhaust, showing the quad exhaust setup and vehicle stance.
Amuse Ericsson (Powerhouse Amuse) Exhaust for BMW Z4M
Retail: Price unknown (Extremely Rare)
The Amuse Ericsson, also known as Powerhouse Amuse, exhaust system stands as one of the most elusive and coveted options for the BMW Z4M. Hailing from Japan, Amuse is celebrated for its exceptional exhaust designs, particularly for the Honda S2000. This JDM (Japanese Domestic Market) exhaust system is a true rarity for the Z4M, appealing to enthusiasts seeking exclusivity and top-tier craftsmanship. Information remains scarce on this system, adding to its mystique and desirability among BMW Z4M purists. For collectors and JDM aficionados, the Amuse Ericsson exhaust represents the pinnacle of Z4M exhaust exotica.
Image of Amuse Ericsson exhaust system for BMW Z4M
Image alt text: Amuse Ericsson exhaust system for BMW Z4M, showcasing its rare JDM design and high-quality construction.
Arqray Exhaust for BMW Z4M
Retail: $2250 – $6875
Arqray, another esteemed Japanese tuner, offers a more accessible yet still premium exhaust solution for the BMW Z4M. Available in both stainless steel and titanium, with an optional X-pipe, Arqray provides a range of configurations to suit different budgets and performance demands. The pricing variability reflects the material choices, with titanium versions commanding a higher premium. Known for a relatively tame sound profile compared to some competitors, Arqray exhausts designed for the US market differ from their JASMA (Japanese Automotive Sports Muffler Association) counterparts, prioritizing a balanced sound for street use. For those desiring a blend of Japanese engineering and a refined exhaust note, Arqray is a compelling choice.
Image of Arqray stainless steel exhaust system
Image alt text: Arqray stainless steel exhaust system for BMW Z4M, demonstrating its construction and design before installation.
Image of Zubydafa’s old stainless steel Arqray setup on a BMW Z4M
Image alt text: BMW Z4M fitted with Zubydafa’s previous Arqray stainless steel exhaust system, showing the exhaust installed on the car.
Image of Arqray titanium exhaust setup for BMW Z4M
Image alt text: Arqray titanium exhaust system for BMW Z4M, highlighting the lightweight material and performance benefits.
Image of Arqray titanium exhaust tips on a BMW Z4M
Image alt text: Close up of Arqray titanium exhaust tips on a BMW Z4M, showcasing the finish and design of the titanium outlets.
Bluewave Exhaust for BMW Z4M
Retail: $4000+ (Estimated)
Bluewave exhaust systems for the BMW Z4M are exceptionally rare, with very limited information available. Notably, only a few sets were reportedly brought into the United States. This JDM exhaust is recognized for its striking design, incorporating a helmholtz resonator aimed at minimizing drone. The combination of rarity, Japanese origin, and perceived high build quality positions Bluewave as a premium and exclusive option. Enthusiasts seeking a truly unique and visually impressive exhaust may find the Bluewave system highly appealing, albeit difficult to acquire.
Image of Bluewave exhaust system – angle 1
Image alt text: Bluewave exhaust system for BMW Z4M, angle 1, displaying the overall system layout and components.
Image of Bluewave exhaust system – angle 2
Image alt text: Bluewave exhaust system for BMW Z4M, angle 2, providing a different perspective on the system’s design and construction.
Image of Bluewave exhaust system – angle 3
Image alt text: Bluewave exhaust system for BMW Z4M, angle 3, focusing on specific details of the exhaust system’s build.
BMS Exhaust for BMW Z4M
Retail: Discontinued (estimated original price unknown)
The BMS exhaust system for the BMW Z4M, now discontinued, appears to have been a more conventional design, likely utilizing Magnaflow mufflers as a base. While the company is no longer operational, the BMS exhaust may still surface in the used market. Its design simplicity could make it a foundational reference point for those considering crafting a custom exhaust setup. For budget-conscious enthusiasts or those interested in DIY modifications, the BMS exhaust, if found used, could represent an accessible entry point into aftermarket exhaust upgrades.
Image of BMS exhaust system on a BMW Z4M
Image alt text: BMS exhaust system installed on a BMW Z4M, showing the exhaust tips and rear view installation.
Image of BMS exhaust system detail 1
Image alt text: Detail view of the BMS exhaust system for BMW Z4M, showcasing the muffler and piping construction.
Image of BMS exhaust system detail 2
Image alt text: Close-up detail of the exhaust tips on a BMS exhaust system for BMW Z4M, highlighting the tip style and finish.
DKF Modular Exhaust for BMW Z4M
Retail: $1700 – $2400 (Discontinued, Estimated Original Price Range)
DKF is primarily recognized within the BMW community for its modular section 1 pipes. However, they also produced a complete modular exhaust system for the BMW Z4M, featuring interchangeable components. Though seemingly discontinued, this system offered a unique level of customization. While the section 1 pipes remain DKF’s hallmark, the modular exhaust system showcased an innovative approach to exhaust design, appealing to enthusiasts who value adaptability. For those interested in modular exhaust concepts, the DKF system serves as an intriguing, albeit rare, example.
Image of DKF Modular Exhaust system components
Image alt text: Components of the DKF Modular Exhaust system for BMW Z4M, illustrating the interchangeable parts and modular design.
Image of Prototype DKF Modular Exhaust on crfine88’s BMW Z4M
Image alt text: Prototype DKF Modular Exhaust installed on a BMW Z4M, specifically crfine88’s vehicle, showing the system in a real-world application.
Eisenmann Exhaust for BMW Z4M
Retail: $2200 – $2350
Eisenmann, a venerable German exhaust manufacturer, is synonymous with premium quality and performance for BMWs. Owners consistently praise Eisenmann exhausts for their meticulous craftsmanship, superior build quality, and distinctive sound. For the BMW Z4M, Eisenmann provides a comprehensive selection, including quad 83mm tip and dual 160mm x 80mm tip configurations, each available in “Sport” and “Race” versions. The “Race” variant is known for its aggressive volume, while the “Sport” offers a more subdued, street-friendly tone. For BMW purists seeking a top-tier exhaust from a respected European brand, Eisenmann delivers a range of sound and style options.
Image of rare dual configuration Eisenmann exhaust
Image alt text: Rare dual tip configuration of the Eisenmann exhaust system for BMW Z4M, showcasing an uncommon tip style.
Image of Eisenmann exhaust system components
Image alt text: Components of the Eisenmann exhaust system for BMW Z4M, highlighting the build quality and materials used in construction.
Image of Eisenmann exhaust system tips detail
Image alt text: Close-up of Eisenmann exhaust system tips, showing the quality of finish and design detail.
Image of bmwtmx’s BMW Z4M setup with Eisenmann exhaust
Image alt text: BMW Z4M, owned by bmwtmx, equipped with an Eisenmann exhaust system, demonstrating the installed look.
Image of Quad configuration Eisenmann exhaust system
Image alt text: Eisenmann exhaust system for BMW Z4M with quad tip configuration, a popular style for this model.
Image of Eisenmann quad exhaust tips detail 1
Image alt text: Detail of Eisenmann quad exhaust tips, angle 1, highlighting the tip design and construction.
Image of Eisenmann quad exhaust tips detail 2
Image alt text: Detail of Eisenmann quad exhaust tips, angle 2, providing another perspective on the tip finish and style.
Image of mousitch’s BMW Z4MC with Eisenmann exhaust
Image alt text: BMW Z4M Coupe (Z4MC) owned by mousitch, fitted with an Eisenmann exhaust, showcasing the quad tip style on the coupe model.
Hamann Exhaust for BMW Z4M
Retail: $4000 (Estimated)
The Hamann exhaust for the BMW Z4M is shrouded in some ambiguity. It is known that Hamann exhausts are manufactured by Supersprint, leading to speculation that this system might be a variant of the Supersprint Powerloop. Featuring quad 76mm tips and a standard appearance, detailed information on the Hamann exhaust is limited. For those drawn to the Hamann brand aesthetic or seeking a Supersprint-manufactured system with potentially unique tuning, further investigation may be warranted.
Image of Hamann exhaust system on a BMW Z4M – angle 1
Image alt text: Hamann exhaust system installed on a BMW Z4M, angle 1, showing the quad tip setup and rear car view.
Image of Hamann exhaust system on a BMW Z4M – angle 2
Image alt text: Hamann exhaust system on a BMW Z4M, angle 2, focusing on the exhaust tips and rear bumper integration.
Image of Rear view of Hamann BMW Z4M Roadster
Image alt text: Rear view of a Hamann-tuned BMW Z4M Roadster, highlighting the quad exhaust tips and overall vehicle styling.
(To be continued with other exhaust brands in the subsequent sections)
