What does the Dinan 135i axle-back exhaust fit?

The Dinan 135i axle-back exhaust fits the E82 coupe and E88 convertible BMW 135i and 135is (2008-2013) with the N54 and N55 turbocharged inline-sixes. It is a direct bolt-on to the factory mounting points for a fuller note.

What finish are the tips?

This version uses black ceramic-coated clamp-on tips for a darker look at the rear of the 1 Series. The system is 100% T304 stainless steel, TIG-welded and brush-finished for a clean, corrosion-resistant finish.

How much louder is it?

The Dinan 135i axle-back exhaust uses a free-flow design that reduces backpressure through the rear section for a louder, fuller note than the muted factory system, while staying civil during normal cruising on the E82 or E88.

An axle-back exhaust is chosen mainly for sound and styling. The Dinan 135i axle-back exhaust reduces backpressure through the rear section, which can free up a small amount of power, but the primary benefit is the improved note and appearance.

Is installation difficult?

No. The Dinan 135i axle-back exhaust is a bolt-on installation using the factory mounting points, with no cutting or welding required. Mounting hardware is included to complete the swap on the E82 or E88 135i.

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Description

Dinan Free Flow Axle-Back Exhaust with Black Tips for E82 / E88 BMW 135i and 135is

The Dinan 135i Axle-Back Exhaust is a T304 stainless steel free-flow system for the E82 and E88 BMW 135i and 135is and their N54 and N55 turbocharged inline-sixes. The free-flow rear section reduces backpressure for a louder, fuller note than the quiet factory setup, capped with black ceramic clamp-on tips. TIG-welded and brush-finished, it gives the compact 1 Series a stronger sound and cleaner look. Finished with black ceramic tips.

Features

Dual 3.5″ laser engraved, polished or ceramic black exhaust tips
Uses the factory brackets and hangers for a factory-like fitment
Drone abatement technologies used to reduce cabin resonance
More Power: + 6hp @ 6600 RPM, + 5ft/lbs @ 6600 RPM
100% 304 stainless steel construction
Enjoyably louder, sportier sound
Lighter than stock

Specifications

Material: T304 stainless steel
Construction: TIG-welded, brush-finished
Design: free-flow axle-back
Exhaust tips: black ceramic, clamp-on
Fitment: direct bolt-on to factory mounting points

Applications

BMW 135i: E82 / E88 | 2008-2013 | 3.0L Turbo I6 N54 / N55
BMW 135is: E82 / E88 | 2013-2013 | 3.0L Turbo I6 N54 / N55

Frequently Asked Questions

What does the Dinan 135i axle-back exhaust fit? The Dinan 135i axle-back exhaust fits the E82 coupe and E88 convertible BMW 135i and 135is (2008-2013) with the N54 and N55 turbocharged inline-sixes. It is a direct bolt-on to the factory mounting points for a fuller note.
What finish are the tips? This version uses black ceramic-coated clamp-on tips for a darker look at the rear of the 1 Series. The system is 100% T304 stainless steel, TIG-welded and brush-finished for a clean, corrosion-resistant finish.
How much louder is it? The Dinan 135i axle-back exhaust uses a free-flow design that reduces backpressure through the rear section for a louder, fuller note than the muted factory system, while staying civil during normal cruising on the E82 or E88.
Does it add power? An axle-back exhaust is chosen mainly for sound and styling. The Dinan 135i axle-back exhaust reduces backpressure through the rear section, which can free up a small amount of power, but the primary benefit is the improved note and appearance.
Is installation difficult? No. The Dinan 135i axle-back exhaust is a bolt-on installation using the factory mounting points, with no cutting or welding required. Mounting hardware is included to complete the swap on the E82 or E88 135i.

About Dinan

Founded in 1979, Dinan is North America’s leading BMW tuner, developing, manufacturing, and marketing a full line of high-performance products for BMW, MINI, and Mercedes-Benz. Dinan works through a nationwide network of Authorized Dinan Performance Centers, including select BMW dealerships and independent BMW service and performance shops. The company’s warranty program, introduced in 1996 with BMW of North America’s cooperation, matches BMW’s new car warranty and covers Dinan enhancements and the vehicle itself for up to 4 years or 50,000 miles. That coverage lets BMW owners add real performance without risking their factory warranty. Automotive publications have tested Dinan-enhanced BMWs against some of the world’s most exotic sports cars for three decades, and the results consistently hold up. Despite that performance, Dinan BMWs keep the reliability and everyday civility BMW owners expect. The product line spans engine, driveline, and chassis components across the full BMW lineup, covering acceleration, cornering, and stopping power. Every Authorized Dinan Performance Center can help build anything from a single upgrade to a complete Dinan BMW.

Additional Information

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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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