Driveshaft Shop - 2007-2013 BMW M3 Rear Axle Bar / CV *Upgrade Only* || E90/E92/E93

Island Racewerks Rear Axle Bar & Inner CV Upgrade – BMW E9X M3 (2008–2013)

Rated to 1200HP – Aerospace-Grade CV Internals – Built by DSS

Looking for a bulletproof solution to your factory E9X M3 axles? The Island Racewerks Rear Axle Bar and Inner CV Upgrade is designed for serious power — capable of handling up to 1200 horsepower thanks to 36-spline aircraft-grade bars and aerospace-grade CV internals.

This premium axle upgrade features a fully rebuilt assembly utilizing your factory OEM outer CV housings. These housings are tempered and shot-peened, then retrofitted with our proprietary Chromoly cages, races, and high-strength bars, making them ideal for track, drag, or high-torque street builds.

✅ Key Features:

• 36-spline aircraft-grade axle bars (vs. 28-spline OEM)

• 108mm Chromoly inner CV joint – aerospace-grade internals

• Upgraded outer CV internals fitted inside OEM housing

• Factory-style metal outer CV covers with double O-ring seals

• Tempered & shot-peened OEM housings for added durability

• Rated to 1200HP – ideal for forced induction builds

• 1-Year Limited Warranty

📦 What’s Included:

• (2) 36-Spline High-Strength Axle Bars

• (2) Chromoly 108mm Inner CV Assemblies

• (2) Rebuilt OEM Outer CV Housings with Aerospace-Grade Internals

• Fully Assembled Axles – Ready to Install (OEM cores required)

🔧 Core Exchange Process:

OEM axle cores are required for this upgrade.
Please call ahead to confirm availability, lead time, and receive your RMA number before shipping in your axles.

⚠️ Important Notes:

• You must send in your factory OEM E9X M3 axles for processing

• Lead times vary – please call ahead to confirm

• Island Racewerks facilitates this upgrade through DSS (Driveshaft Shop)

• We are not liable for incorrect orders or fitment issues — please verify part compatibility prior to purchase

🛠️ Vehicle Fitment:

• BMW E90 M3 (2008–2011)

• BMW E92 M3 (2008–2013)

• BMW E93 M3 (2008–2013)