What is the primary benefit of using these adjustable rear upper arms over stock?

Stock arms are typically spot-welded sheet metal that can flex under load, leading to inconsistent handling. These SPL Parts arms are constructed from stronger aluminum with FK rod ends, eliminating deflection and providing more stable, predictable handling, especially during aggressive driving or track use.

Are these arms suitable for daily driving as well as track use?

Yes, the custom FK Rod Ends feature a Teflon liner that is chemically bonded to the race. This liner provides quiet operation, low friction, and smooth articulation, making them reliable for both street and track use across a wide temperature range.

What is included in the kit?

The kit contains 4 arms, which are sold as a pair. These arms replace both the guide (traction) and camber (wishbone) links in the rear suspension.

SPL Parts 06-13 BMW 3 Series/1 Series (E9X/E8X) Rear Upper Arm Links

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Specifications

Brand: SPL Parts
Part #: SPL RUA E9X
UPC: SPLRUAE9X

SPL Parts 06-13 BMW 3 Series/1 Series (E9X/E8X) Rear Upper Arm Links

Name: SPL Parts 06-13 BMW 3 Series/1 Series (E9X/E8X) Rear Upper Arm Links
Brand: SPL Parts
Price: 978.11 USD
Availability: InStock

$978.11

Only 3 left in stock

SPL Parts rear upper control arms for BMW E82/E92 2006-2013. Gun drilled aluminum links, FK rod ends.

Key Features

Fits 2006-2013 BMW 1 Series (E8X) and 3 Series (E9X) models, including M variants.
Gun drilled 2024 Aluminum links are Black Anodized for corrosion resistance and a durable finish.
6061-T6 Aluminum Clamps with Blue Anodized Titanium Socket Head Cap Screws allow for precise adjustments and reduced unsprung weight.
Custom 3-piece FK Rod Ends feature a Teflon liner for quiet operation, low friction, and smooth articulation.
The PTFE liner in the rod ends offers high load capacity and increased dynamic wear characteristics, operating from -65°F to 325°F.
Includes 4 arms, sold as a pair, designed to replace both guide (traction) and camber (wishbone) arms.

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Will this fit your vehicle?

Product Details

SPL Parts is known for making serious suspension components for performance driving. If you're pushing your BMW E8X or E9X 3 Series or 1 Series hard, especially on track days or with grippier tires, the stock rear upper arms can flex and bend. These SPL Parts Rear Upper Arm Links are built to handle that stress and provide more consistent handling. They replace both the guide (traction) and camber (wishbone) arms, giving you a solid upgrade for your BMW's rear suspension.

These arms feature gun drilled links made from 2024 Aluminum, which is then Black Anodized to prevent corrosion and give it a durable finish. For adjustments, they use exclusive 360 rotating 6061-T6 Aluminum Clamps with Blue Anodized Titanium Socket Head Cap Screws. This not only allows for quick and precise alignment changes but also helps shave unsprung weight without sacrificing strength. Inside, you'll find custom 3-piece FK Rod Ends, made in Connecticut, featuring a Teflon liner. This liner is chemically bonded to the race, offering quiet operation, low friction, smooth articulation, and it eliminates bushing deflection under load. The PTFE liner can handle a wide range of operating temperatures, from -65°F to 325°F, making them reliable for both street and track use.

This kit includes 4 arms, sold as a pair, and is proudly made in the USA. They are designed to fit a range of BMW models including the 128i, 135i, 328i, 335i, and M3 from 2006 through 2013. For the best results and proper alignment, refer to the manufacturer's installation instructions for details on adjustment and setup.