Why do lowered E36 and E46 BMWs need adjustable rear camber arms?

The factory rear camber adjustment on the E36 and E46 uses an eccentric bolt with a limited travel range that was designed for stock ride height. When the car is lowered, the rear suspension geometry changes and the rear camber moves toward negative beyond what the factory eccentric can correct back to a neutral alignment. Running with excess negative camber causes premature outer shoulder wear on performance tires and reduces rear grip balance. The SPL RLL E36 extends the adjustment range to bring camber back to the optimal target for the car's ride height; whether that's a street alignment or an aggressive track setup.

How does the 360-degree rotating clamp system work, and why is it better than jam nuts?

The 360-degree rotating clamp locks the arm at its set camber position when tightened with a single 3/16-inch allen key. On a conventional jam-nut adjustable arm, setting camber requires holding the bearing in the desired orientation with one hand while threading and torquing a jam nut with the other, often on a cramped alignment rack with the car at ride height. The rotating clamp does the same job in one step, without a second tool or person, and is consistently easier to adjust and more repeatable than jam-nut designs.

Is there a torque specification I should be aware of during installation?

Yes, and this is important. Some earlier versions of the SPL installation instructions listed an incorrect torque specification of 122 ft-lbs for the inner and outer mounting bolts. The correct torque is the factory-recommended 81 ft-lbs. Always use the current revision of the installation instructions, available via the Dropbox link provided on this product page.

Do the FK rod ends in these arms require maintenance or lubrication?

No. The three-piece FK rod ends use a Teflon liner that is chemically bonded to the inner diameter of the race. This liner provides self-lubrication and eliminates the need for periodic greasing. The liner operates reliably from -65°F to 325°F, covering the full temperature range of sustained track use and cold-weather street driving without degradation.

Do these arms also eliminate rear camber deflection under load?

Yes. Replacing the factory rubber-bushed camber arm with the SPL RLL E36 eliminates bushing deflection at the camber arm position. The factory rubber compresses under cornering and braking loads, which allows the rear camber to change dynamically during a corner. The FK spherical rod ends articulate freely without deflecting, so the camber set at the alignment rack holds its position under load, improving rear suspension predictability and consistency at the limit.

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Description

SPL Parts Adjustable Rear Camber Links for E36 / E46 BMW 3 Series and E30 BMW Z1 Roadster

The SPL Parts RLL E36 rear camber arms provide the adjustment range that the factory eccentric cannot reach, through a design built around SPL’s 360-degree rotating clamp system. Gun-drilled 6061-T6 aluminum center links, clamps, and clevises make up the structural core of the arm; gun-drilling removes weight from material that doesn’t contribute to strength, a manufacturing detail that reduces unsprung mass without compromising the arm’s load rating. Blue anodized titanium socket head cap screws complete the hardware picture, shaving additional weight with a material that maintains clamping strength. Shops that have tested the full range of adjustable camber arms for the E36 and E46 consistently find these the best solution; easier to adjust than competing designs and with higher-quality joints for longer service life. The adjustment process is the clearest differentiator from conventional jam-nut arms. The 360-degree rotating clamp locks the alignment setting with a single 3/16-inch allen key; no second wrench, no holding the bearing in position while torquing, no frustration. Set the camber on the alignment rack, lock the clamp. Done. The three-piece FK rod ends manufactured in Connecticut use a Teflon liner chemically bonded to the inner race diameter for quiet, low-friction articulation through the full suspension travel range. Operating temperature range is -65°F to 325°F; reliable for both street and sustained track use without maintenance.

Features

Extended rear camber adjustment range beyond the factory eccentric bolt; necessary for lowered E36 and E46 builds to reach proper negative camber targets
Gun-drilled 6061-T6 aluminum center links, clamps, and clevises; gun-drilling removes material weight without reducing structural strength
SPL exclusive 360-degree rotating clamp system; locks camber setting with a single 3/16-inch allen key; no jam nuts, no second wrench required
Blue anodized titanium socket head cap screws; further reduces unsprung weight without compromising clamp strength
Three-piece FK rod ends manufactured in Connecticut; Teflon liner chemically bonded to inner race; quiet, low-friction articulation with zero bushing deflection under load
Teflon liner operating temperature range: -65°F to 325°F; suitable for street and sustained track use
Eliminates bushing deflection at the camber arm position; rear geometry holds its set value under cornering and braking loads
Increases rear suspension stability and predictability compared to factory rubber-bushed camber arms
Reduces outer rear tire shoulder wear on lowered cars by bringing camber into proper range
Made in the USA

Specifications

Body Material: 2024-T351 aluminum (gun-drilled, black anodized)
Heim Joints: PTFE-lined FK USA spherical bearings
Toe Adjustment: Wide range, past OEM eccentric limits
Bumpsteer Adjustment: Yes — fine spacers included
Origin: Made in the USA

Applications

BMW 330d: E46 | 2001-2007
BMW 318d: E46 | 1999-2007
BMW 320d: E46 | 1999-2007
BMW 316i: E36, E46 | 1990-2007
BMW 318i: E36, E46 | 1990-2007
BMW 320i: E36, E46 | 1990-2007
BMW 323i: E36, E46 | 1995-2001
BMW 325i: E36, E46 | 1990-2007
BMW 328i: E36, E46 | 1995-2000
BMW 330i: E46 | 2001-2007
BMW 318is: E36 | 1992-1999
BMW 318ti: E36 | 1995-1999
BMW 325xi: E46 | 2001-2007
BMW 330xi: E46 | 2001-2007
BMW M3: E36, E46 | 1992-2007
BMW Z1: E30 | 1988-1991

Notes

Installation Instructions
SPL components are made-to-order in the USA; build time will be confirmed at the time of order\

Frequently Asked Questions

Why do lowered E36 and E46 BMWs need adjustable rear camber arms? The factory rear camber adjustment on the E36 and E46 uses an eccentric bolt with a limited travel range that was designed for stock ride height. When the car is lowered, the rear suspension geometry changes and the rear camber moves toward negative beyond what the factory eccentric can correct back to a neutral alignment. Running with excess negative camber causes premature outer shoulder wear on performance tires and reduces rear grip balance. The SPL RLL E36 extends the adjustment range to bring camber back to the optimal target for the car’s ride height; whether that’s a street alignment or an aggressive track setup.
How does the 360-degree rotating clamp system work, and why is it better than jam nuts? The 360-degree rotating clamp locks the arm at its set camber position when tightened with a single 3/16-inch allen key. On a conventional jam-nut adjustable arm, setting camber requires holding the bearing in the desired orientation with one hand while threading and torquing a jam nut with the other, often on a cramped alignment rack with the car at ride height. The rotating clamp does the same job in one step, without a second tool or person. Shops that have compared this system against other adjustable camber arms for the E36 and E46 consistently find it easier to adjust and more consistent to set repeatedly.
Is there a torque specification I should be aware of during installation? Yes, and this is important. Some earlier versions of the SPL installation instructions listed an incorrect torque specification of 122 ft-lbs for the inner and outer mounting bolts. The correct torque is the factory-recommended 81 ft-lbs. Always use the current revision of the installation instructions, available via the Dropbox link provided on this product page.
Do the FK rod ends in these arms require maintenance or lubrication? No. The three-piece FK rod ends use a Teflon liner that is chemically bonded to the inner diameter of the race. This liner provides self-lubrication and eliminates the need for periodic greasing. The liner operates reliably from -65°F to 325°F, covering the full temperature range of sustained track use and cold-weather street driving without degradation.
Do these arms also eliminate rear camber deflection under load? Yes. Replacing the factory rubber-bushed camber arm with the SPL RLL E36 eliminates bushing deflection at the camber arm position. The factory rubber compresses under cornering and braking loads, which allows the rear camber to change dynamically during a corner. The FK spherical rod ends articulate freely without deflecting, so the camber set at the alignment rack holds its position under load, improving rear suspension predictability and consistency at the limit.

About SPL Parts

SPL Parts is a USA-based manufacturer of high-performance suspension components engineered for both professional racing and demanding street applications. Built on the core principles of strength, lightweight construction, low friction, and precision, SPL Parts products deliver the adjustability and alignment performance required by top race teams and discerning enthusiasts alike. Every component is produced using USA-sourced, certified materials and machined by experienced local shops to exacting tolerances. Professional TIG welders ensure maximum weld integrity, while each part is hand-fitted and treated with anti-seize and 3M internal panel coating for lasting protection. SPL Parts conducts all research and development in-house, allowing the team to leverage firsthand product knowledge and deliver unmatched customer support. Their suspension components feature innovative adjuster designs for quicker, more precise alignments, and utilize spherical bearings with Teflon liners that are self-cleaning, self-lubricating, and built for long service life. From concept to assembly, SPL Parts is made with pride in the USA by skilled machinists and welders who are committed to quality, innovation, and performance.

Additional Information

The Bulletproof Automotive website contains many thousands of products purchased in multiple different currencies. All of the prices are entered manually and accurately at the time of entry. Due to the consistently fluctuating international exchange rates, at times prices may not be able to be honored at their original intended rate. We apologize for any inconvenience this may cause, unfortunately our website is unable to compensate dynamically for what can at times be volatile changes in the cost of items due to currency values fluctuating, changes in prices from suppliers, changes in shipping and import duties, and other factors. Rest assured that any order you place on line will be at zero risk to you in this area. If in the event your order cannot be fulfilled at the original intended website price we will offer you a 100% refund, no questions asked. We will continue to do our best to maintain updated prices and we will always continue to offer our price match guarantees as well to ensure our prices are always the best for you. In short, prices may change without notice. It is always advised to give us a call prior to placing your order online to confirm availability and to confirm current pricing.

Shipping Policy

Items that are in stock in the US, either at Bulletproof’s warehouse or at a supplier’s warehouse, are generally delivered within 7-10 days. Special order items from overseas take considerably longer. As a courtesy Bulletproof offers delivery estimates to our customers which take into consideration manufacturer availability and shipping schedule. These estimates represent our best guess based on previous orders from the manufacturer and do not in any way imply a guaranteed delivery window. Many manufacturers work in a “just in time” inventory system and often take 2-20+ weeks to produce an item once an order is submitted. All deliverable items are then sent to our Japanese warehouse. Bulletproof ships a minimum of one full ocean freight container every month from Japan, oftentimes more than one a month. Ocean freight takes an average of 4 weeks. Typically it breaks down to one week in Japan for paperwork and customs, two weeks by boat and one week in US customs/clearance. Due to the wide number of variables between manufacturer and shipping schedules, delivery estimates are simply just that – estimates. We attempt to estimate conservatively and we usually deliver faster than our estimates suggest. It is not Bulletproof’s policy to guarantee delivery time of any special order item, this is impossible for us to do. By ordering you acknowledge that there is no required delivery ETA and an order may not be canceled or altered due to manufacturing or shipping delays, all ETA’s are provided as a best guess only. Please review the full Terms & Conditions here.

BP Pricing Difference

We do pricing a little differently on our JDM brands and we believe in making things simple and clear. No hidden fees or surcharges. Every price you see includes the shipping cost to our office in Los Angeles, California and all the associated taxes/duties/fees for bringing the products into the US. The only shipping you ever pay is from our facility in the US to your location. Be wary of resellers that don’t include the cost of international shipping in their pricing on JDM parts. While we believe we’ll always have the lowest all-in price on JDM products, we offer a price match guarantee for all authentic parts purchased from authorized dealers as well. For many international customers, it’s much more affordable to ship from the USA than from Japan directly, as the air freight and ocean freight costs are typically much less. However, for customers looking to ship directly from Japan outside of North America, or domestically in Japan, we can provide pricing specifically for that scenario. Please do not hesitate to contact us with any pricing questions or concerns. Please email us at sales@bulletproofautomotive.com with any inquiries.

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SPL Parts Adjustable Rear Camber Links for E36 / E46 BMW 3 Series and E30 BMW Z1 Roadster [SPLRLLE36]

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SPL Parts Adjustable Rear Camber Links for E36 / E46 BMW 3 Series and E30 BMW Z1 Roadster

Features

Specifications

Applications

Notes

Frequently Asked Questions

About SPL Parts

Reviews