What does the Dinan E39 540i axle-back exhaust fit?

The Dinan E39 540i axle-back exhaust fits the E39 BMW 540i with the standard bumper (1997-2003) and the M62 4.4L V8. It is a direct bolt-on to the factory mounting points, replacing the rear section of the exhaust for a louder, fuller note.

How much louder is it?

The Dinan E39 540i 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.

What finish are the tips?

This version uses polished stainless clamp-on tips. The system is 100% T304 stainless steel, TIG-welded and brush-finished for a clean, corrosion-resistant appearance at the rear of the car.

An axle-back exhaust is chosen mainly for sound and styling. The Dinan E39 540i 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 E39 540i 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.

Description

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Description

Dinan Free Flow Axle-Back Exhaust with Polished Tips for E39 BMW 540i with Standard Bumper

Dinan E39 540i exhaust is a T304 stainless steel free-flow system for the E39 BMW 540i with the standard bumper and its M62 4.4L V8. The free-flow rear section reduces backpressure for a louder, fuller V8 note than the muted factory setup, capped with dual 3″ polished stainless clamp-on tips. TIG-welded and brush-finished throughout, it comes in over 15lbs lighter than the stock system.

Features

Max gains of 7hp and 6ft-lb of torque at 6,500rpm (with software)
Uses the factory brackets and hangers for a factory-like fitment
Drone abatement technologies used to reduce cabin resonance
Over 15lbs lighter than stock (18.5lbs vs. 34lbs)
Dual 3″ polished, laser-engraved exhaust tips
100% T304 stainless steel construction
Enjoyably louder, sportier sound

Applications

BMW 540i: E39 | 1997-2003 | 4.4L V8 M62

Notes

Fits E39 540i models equipped with the standard bumper only

Frequently Asked Questions

What does the Dinan E39 540i exhaust fit? The Dinan E39 540i exhaust fits the E39 BMW 540i with the standard bumper (1997-2003) and the M62 4.4L V8. It is a direct bolt-on to the factory mounting points, replacing the rear section of the exhaust for a louder, fuller note.
Does the Dinan E39 540i exhaust fit M-Sport bumper cars? This version is built for the standard bumper 540i; confirm your bumper style before ordering, since M-Sport-equipped cars may require a different fitment. Check with Dinan or contact us if you are unsure which version your car needs.
How much lighter is the Dinan E39 540i exhaust? The system weighs 18.5 lbs versus roughly 34 lbs for the factory rear section, a savings of over 15 lbs, in addition to delivering max gains of 7hp and 6ft-lb of torque at 6,500rpm when combined with engine software.
What are the tips made of on the Dinan E39 540i exhaust? The system is 100% T304 stainless steel, TIG-welded and brush-finished, and capped with dual 3″ polished stainless clamp-on tips. The construction resists corrosion and gives a clean, uniform appearance at the rear of the 540i.
Is the Dinan E39 540i exhaust difficult to install? No. The Dinan E39 540i 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.

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.

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BP Pricing Difference

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