BMW F80 M3 & F82/F83 M4 Rear Differential Dual Mount Bracket Upgrade – Chassis & Drivetrain Reinforcement | Fits 2015–2018 M3 & 2015–2020 M4

Upgrade your BMW’s rear drivetrain support with this Rear Differential Dual Mount Bracket Upgrade, designed to improve chassis rigidity, drivetrain stability, and rear-end control on high-performance BMW M models.

Under hard acceleration, aggressive cornering, launch control, and high-torque driving conditions, the factory rear differential mounting system can allow unwanted movement. This movement may contribute to wheel hop, driveline flex, inconsistent power delivery, and additional stress on surrounding drivetrain components.

This upgraded dual mount bracket reinforces the rear differential support system by adding increased rigidity where it matters most. By helping reduce differential movement under load, this bracket supports improved power transfer, better rear-end stability, and a more planted driving feel during spirited street driving or track use.

Manufactured from high-strength performance-grade materials, this bracket is built to handle demanding driving conditions including track days, autocross, drag racing, tuned applications, and high-horsepower builds. Whether you are improving the durability of your street-driven M car or reinforcing your chassis for performance use, this upgrade delivers a stronger and more controlled rear drivetrain setup.

Designed as a direct-fit performance upgrade for compatible BMW M applications.

Key Features

• Upgraded rear differential dual mount bracket
• Reinforces the factory rear differential mounting system
• Helps reduce differential movement under load
• Improves drivetrain stability and power transfer
• Helps reduce wheel hop during hard acceleration
• Enhances rear-end control and chassis rigidity
• Supports improved differential alignment under torque
• High-strength performance-grade construction
• Ideal for tuned, high-horsepower, street, and track vehicles
• Direct-fit performance upgrade for compatible BMW M models

FITMENT

• BMW M2
  F87 M2 Coupe — 2016–2021
  F87 M2 Competition Coupe — 2018–2021
• BMW M3
  F80 M3 Sedan — 2014–2018
• BMW M4
  F82 M4 Coupe — 2014–2020
  F83 M4 Convertible — 2014–2020
  F82/F83 M4 Competition — 2016–2020

Vehicle Applications

• BMW M2 Coupe — 2016–2021
• BMW M2 Competition Coupe — 2018–2021
• BMW M3 Sedan — 2014–2018
• BMW M4 Coupe — 2014–2020
• BMW M4 Convertible — 2014–2020
• BMW M4 Competition — 2016–2020

Position

• Rear Differential Mount
• Rear Differential Support Bracket
• Rear Chassis Reinforcement Component

Compatibility Notes

• Performance upgrade component
• Suitable for street and motorsport applications
• Recommended for tuned, high-horsepower, and aggressively driven vehicles
• Please verify vehicle fitment before purchasing

OEM Reference: Rear Differential Dual Mount Upgrade Bracket

Improve drivetrain control, reduce rear differential movement, and enhance chassis stability with a premium rear differential dual mount bracket engineered for BMW F87 M2, F80 M3, and F82/F83 M4 performance applications.

Please refer to the “Fitment” section in the product description for compatibility details.