Driveshaft Shop Rear Axle Bar and Internal CV Upgrade, BMW E9X M3

Upgrade your E90, E92, or E93 M3 with the Driveshaft Shop Rear Axle Bar and Internal CV Upgrade, designed for extreme durability and high-horsepower applications. This service strengthens your factory axles by replacing key internal components with aerospace-grade materials and high-strength Chromoly upgrades, making them capable of handling up to 1200HP.

What This Service Includes:

• Proprietary 1.25" 300M axle bars for maximum strength (stock bars are 28 splines)
• Upgraded 108mm Chromoly inner CV with aerospace-grade internals
• OEM outer CV housing reinforced with Chromoly cage and race set
• Tempered and shot-peened OEM outer/inner housings for added durability
• Factory-style metal boot covers with double O-ring seals for superior protection
• 30 spline axle bars for enhanced load capacity
• Backed by a 1-year warranty

How It Works:

1. Send in your OEM axles – This is a service, not a direct replacement.
2. The DSS team will upgrade and reinforce your axles with the above modifications.
3. Your upgraded axles are returned, ready for installation.

Email us for lead times and to obtain an RMA number before shipping your axles.

This upgrade is essential for high-horsepower street, track, and drag racing builds that demand maximum drivetrain reliability.

Fits:

• BMW E90 M3
• BMW E92 M3
• BMW E93 M3