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Description

Eisenmann Rear Muffler for E34 BMW 525iS

The Eisenmann Rear Muffler for the E34 BMW 525iS is a hand-built performance exhaust designed to elevate both the character and capability of one of BMW’s most iconic 5 Series models. Precision-engineered in Germany, this system enhances exhaust flow to unlock a more responsive driving feel, while offering two distinct sound levels to match your style — Sport, for a deep, refined tone ideal for daily driving, or Race, for an aggressive, motorsport-inspired roar that transforms every throttle input into an exhilarating experience. Finished with elegant dual 70mm round tips, this muffler not only boosts performance but also adds a bold, period-correct look that complements the E34’s classic lines. As a direct-fit system tailored specifically for the 525iS, it delivers unmatched quality, durability, and acoustics — perfect for enthusiasts who want to preserve BMW heritage while enjoying a more dynamic, engaging drive.

Features

Designed specifically for the E34 BMW 525iS
Handcrafted in Germany for superior quality and durability
Available in Sport (refined tone) or Race (aggressive, motorsport-inspired) sound levels
Optimized exhaust flow for improved performance and throttle response
Dual 70mm round exhaust tips for classic styling
Direct bolt-on installation using factory hangers and hardware
Instructions included

Applications

BMW 525iS: E34 (1988-1992)
[M30 – 3.5L I6]

Notes

Only available with dual 70mm exhaust tips
Please read instructions carefully before installation

About Eisenmann Exhaust Systems

Eisenmann Exhaust Systems is a German manufacturer recognized worldwide for its precision-crafted, stainless steel performance exhaust systems. Since its founding in 1988, the company has built a reputation for blending advanced engineering with traditional craftsmanship, delivering products that meet the demands of both automotive enthusiasts and OEM clients. With experience supplying original equipment to brands like Porsche and AMG, Eisenmann combines cutting-edge production techniques with rigorous quality standards to produce exhaust systems known for their performance, durability, and signature sound. Each product is handcrafted in Germany, reflecting the company’s commitment to excellence and innovation in the high-performance exhaust market.

Additional Information

The Bulletproof Automotive website contains many thousands of products purchased in multiple different currencies. All of the prices are entered manually and accurately at the time of entry. Due to the consistently fluctuating international exchange rates, at times prices may not be able to be honored at their original intended rate. We apologize for any inconvenience this may cause, unfortunately our website is unable to compensate dynamically for what can at times be volatile changes in the cost of items due to currency values fluctuating, changes in prices from suppliers, changes in shipping and import duties, and other factors. Rest assured that any order you place on line will be at zero risk to you in this area. If in the event your order cannot be fulfilled at the original intended website price we will offer you a 100% refund, no questions asked. We will continue to do our best to maintain updated prices and we will always continue to offer our price match guarantees as well to ensure our prices are always the best for you. In short, prices may change without notice. It is always advised to give us a call prior to placing your order online to confirm availability and to confirm current pricing.

Shipping Policy

Items that are in stock in the US, either at Bulletproof’s warehouse or at a supplier’s warehouse, are generally delivered within 7-10 days. Special order items from overseas take considerably longer. As a courtesy Bulletproof offers delivery estimates to our customers which take into consideration manufacturer availability and shipping schedule. These estimates represent our best guess based on previous orders from the manufacturer and do not in any way imply a guaranteed delivery window. Many manufacturers work in a “just in time” inventory system and often take 2-20+ weeks to produce an item once an order is submitted. All deliverable items are then sent to our Japanese warehouse. Bulletproof ships a minimum of one full ocean freight container every month from Japan, oftentimes more than one a month. Ocean freight takes an average of 4 weeks. Typically it breaks down to one week in Japan for paperwork and customs, two weeks by boat and one week in US customs/clearance. Due to the wide number of variables between manufacturer and shipping schedules, delivery estimates are simply just that – estimates. We attempt to estimate conservatively and we usually deliver faster than our estimates suggest. It is not Bulletproof’s policy to guarantee delivery time of any special order item, this is impossible for us to do. By ordering you acknowledge that there is no required delivery ETA and an order may not be canceled or altered due to manufacturing or shipping delays, all ETA’s are provided as a best guess only. Please review the full Terms & Conditions here.

BP Pricing Difference

We do pricing a little differently on our JDM brands and we believe in making things simple and clear. No hidden fees or surcharges. Every price you see includes the shipping cost to our office in Los Angeles, California and all the associated taxes/duties/fees for bringing the products into the US. The only shipping you ever pay is from our facility in the US to your location. Be wary of resellers that don’t include the cost of international shipping in their pricing on JDM parts. While we believe we’ll always have the lowest all-in price on JDM products, we offer a price match guarantee for all authentic parts purchased from authorized dealers as well. For many international customers, it’s much more affordable to ship from the USA than from Japan directly, as the air freight and ocean freight costs are typically much less. However, for customers looking to ship directly from Japan outside of North America, or domestically in Japan, we can provide pricing specifically for that scenario. Please do not hesitate to contact us with any pricing questions or concerns. Please email us at sales@bulletproofautomotive.com with any inquiries.

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Eisenmann Rear Muffler for E34 BMW 525iS [B5228.00700/B5228.20700]

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Eisenmann Rear Muffler for E34 BMW 525iS

Features

Applications

Notes

About Eisenmann Exhaust Systems

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