SPL Parts Adjustable Rear Upper Camber Arm Set

Part #: SPL RUA E9X

Overview

The SPL Parts Adjustable Rear Upper Camber Arm Set is a high-performance suspension upgrade designed for enthusiasts seeking precise alignment and enhanced handling characteristics on their BMW 328i xDrive (E91). Crafted from durable materials, these arms help improve stability, cornering response, and tire wear by allowing fine-tuned camber adjustments. Whether you're a track day enthusiast or a spirited driver, this set offers the reliability and adjustability needed to optimize your vehicle's suspension geometry for various driving conditions. Constructed with gun-drilled 2024 Aluminum links finished in a sleek Black Anodized coating, these arms combine lightweight strength with corrosion resistance. The adjustable design ensures compatibility with a range of setups, providing the flexibility to dial in your desired camber settings for improved grip and handling. Designed to withstand the stresses of aggressive driving, these arms help maintain consistent suspension performance under demanding conditions.

Key Features

This set features advanced engineering to support your vehicle’s suspension needs:

• Made from lightweight, high-strength 2024 Aluminum with gun-drilled construction for optimal weight reduction and heat dissipation
• Black Anodized finish for corrosion resistance and durability
• Fully adjustable camber arms to fine-tune rear wheel alignment
• Designed to improve handling response and tire contact patch during aggressive driving
• Engineered to replace stock non-M arms that tend to flex under load, ensuring consistent suspension geometry
• Includes both guide (traction) and camber (wishbone) arms for comprehensive rear suspension support

Construction & Design

The arms are machined from high-quality 2024 Aluminum, featuring precise gun-drilled holes to reduce weight without sacrificing strength. The robust design incorporates durable bushings and adjustable joints, allowing for reliable performance and easy alignment adjustments. The black anodized coating not only enhances aesthetics but also provides excellent corrosion resistance, ensuring longevity even in harsh conditions.

Driving Feel & Feedback

These adjustable arms help improve rear suspension response, providing more predictable handling and feedback during cornering. By enabling precise camber adjustments, they support better tire contact with the road, resulting in enhanced grip and stability. This upgrade is ideal for drivers looking to optimize their vehicle’s handling dynamics for spirited driving or track use.

Installation & Fitment

Installation requires basic suspension tools and should be performed by those familiar with suspension components. Proper alignment is recommended after installation to ensure optimal performance. Fitment is designed specifically for the BMW 328i xDrive (E91) model years 2009-2012; please verify compatibility with your vehicle before purchase.

What’s Included

The package includes both the guide (traction) and camber (wishbone) arms, along with all necessary hardware for installation. Each component is engineered to meet or exceed OEM specifications for durability and performance.