HD CHROMOLY REAR CV AXLE KIT for BMW M5 X-Drive F90 4.4L V8 Base, Competition , CS

• Horsepower Rating: Outlaw axles are built to handle massive output (often 1,200+ horsepower), while Renegades are typically designed for 750+ HP ranges. 
• CV Joint Grease: Outlaw axles use a premium, high-flash-point grease that resists thermal breakdown under intense friction and extreme angles. 
• Fasteners: Outlaw axles upgrade the standard 12.9 socket head bolts to 12-point ARP fasteners for superior clamping force and joint strength. 
• Surface Treatment: Outlaw axles feature a specialized isotropic surface finish that reduces rolling resistance, friction, and wear compared to the standard finish on Renegades.

HD Chromoly Rear CV Axle Kit for BMW M5 X-Drive F90 4.4L V8 Base, Competition & CS

Designed as a direct-fit solution for the following vehicles:

• 2018 BMW M5 F90 X-Drive
• 2019 BMW M5 F90 X-Drive
• 2020 BMW M5 F90 X-Drive
• 2021 BMW M5 Competition F90 X-Drive
• 2022 BMW M5 CS F90 X-Drive
• 2023 BMW M5 F90 X-Drive

The EC Driveline HD Chromoly Rear CV Axle Kit is ideal for vehicles equipped with:

• ECU Tunes
• E85 Ethanol Conversions
• Upgraded Turbochargers
• Hybrid Turbo Systems
• Drag Racing Setups
• Roll Racing Applications
• Track Day Vehicles
• High-Horsepower Street Cars
• Launch Control Equipped Vehicles

Unlike many aftermarket axle options, these heavy-duty rear CV axles are engineered with performance and longevity in mind. The upgraded chromoly construction provides significantly greater torsional strength than factory components while maintaining proper fitment and driveline geometry. This helps reduce wheel hop-related failures and provides more consistent power transfer to the rear wheels.

BMW enthusiasts know that the F90 M5 platform is capable of producing well over 800, 900, and even 1,000+ horsepower with relatively simple modifications. As power levels increase, drivetrain components become critical. Installing a set of EC Driveline HD Chromoly Rear CV Axles helps create a stronger drivetrain foundation capable of supporting future upgrades without sacrificing reliability.

At EC Driveline, every performance driveline component is developed with real-world motorsports applications in mind. Our experience in manufacturing high-performance driveshafts, CV axles, and driveline solutions has helped enthusiasts across the world build faster and more dependable vehicles. Each axle kit is designed to meet the demands of modern high-horsepower BMW platforms while delivering the quality and performance customers expect from EC Driveline.

Whether your goal is achieving faster quarter-mile times, improved launch consistency, enhanced drivetrain reliability, or simply replacing weak factory axles with stronger components, the HD Chromoly Rear CV Axle Kit for BMW M5 F90 X-Drive is the ultimate solution.

Order your BMW F90 M5 HD Chromoly Rear CV Axle Kit today from EC Driveline and experience the confidence that comes from a drivetrain built to handle serious power.

Features & Benefits

• Heavy-duty chromoly axle shaft construction
• Increased strength over OEM BMW axles
• Designed for high horsepower and high torque applications
• Ideal for tuned, modified, and race-prepped vehicles
• Heavy-duty CV joints for improved durability
• Direct-fit installation
• Supports drag racing and roll racing applications
• Reduces risk of drivetrain failure under extreme loads
• Engineered specifically for BMW F90 M5 X-Drive models
• Manufactured for superior reliability and performance

Vehicle Fitment

• BMW M5 F90 Base X-Drive 4.4L Twin Turbo V8
• BMW M5 F90 Competition X-Drive 4.4L Twin Turbo V8
• BMW M5 F90 CS X-Drive 4.4L Twin Turbo V8

Why Choose EC Driveline?

EC Driveline specializes in high-performance driveshafts, chromoly CV axles, carbon fiber driveshafts, aluminum driveshafts, and custom driveline solutions for BMW, Audi, Porsche, Dodge, Ford, Chevrolet, Toyota, Nissan, and other performance platforms. Our products are designed for enthusiasts who demand maximum strength, reliability, and performance from every component in their drivetrain. Built for racers. Trusted by enthusiasts.

Shop now at ECDriveline.com.

Renegade vs Outlaw

 

Ths Renegade Axles are the tried and true axle design that has become the standard in performance half-shafts. The Renegade axle has waivered very little from its roots some 15 years ago. Advancements in materials, heat-treat processes and machining have only improved their efficiency and capabilities. It is hard to argue with the Renegade’s pedigree for strength and overall value.

The Outlaw Axles boast unparalleled performance and durability even in the most extreme driving environments. The Outlaw axles use a unique and uniform surface treatment that helps cut down on rolling resistance and wear. This is helpful in just about every application as CV’s will almost always be functioning at some angle. Additionally, the CV ball bearings are constantly traveling back and forth in the CV housing every rotation of the axle. That equates to a lot of work and, in turn a lot of heat production. Ultimately, the Outlaw CV is more efficient, which means more energy from the engine to the tires with less effort. As a byproduct, we see less heat because of the decreased rolling resistance and this translates to longer CV life.

Heat and friction will gradually break down CV grease until it no longer functions as a lubricant. The Outlaw axles also get a top-of-the-line grease, which has a higher heat flash point and superior lubrication qualities in comparison to what is used in the Renegade axles.

The CV to stub joint is a critical mating point that relies solely on clamping force to hold the stub in place relative to the CV and axle bar. The Renegade axles get a standard 12.9 socket headed cap screw, where the Outlaw axles get a 12-point ARP fastener to help with overall strength and clamping force.

 

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