New Products: S550 Suspension Upgrades

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BMR Suspension has another new batch of 2015+ Mustang suspension gear

By Steve Turner
Photos courtesy of BMR Suspension

Way back in April, we gave you a preview of all the 2015+ Mustang suspension components that BMR Suspension was developing for the S550 platform. In the ensuing months, the company hasn’t slowed down. It has released so many parts into production that we can’t keep up. Over the last couple of weeks, the company introduced four new products for the latest Mustang platform.

Cold wound on CNC machine, BMR Suspension’s new lowering springs for the 2015+ Mustang are said to lower your car, sharpen it’s handling, and they are guaranteed not to sag.
Cold wound on CNC machines, BMR Suspension’s new lowering springs for the 2015+ Mustang are said to lower your car, sharpen it’s handling, and they are guaranteed not to sag.

Among the new gear that BMR released to sharpen the latest Mustang’s suspension are lowering springs (PN SP080; $199.95), adjustable sway bar end-links (PN ELK012; $179.95), polyurethane cradle bushings (PN BK047; $79.95), and differential bushing lockouts (PN BK054; $49.95).

Since there have been Mustangs, they have ridden too high. Lowering their center of gravity is a win-win combo that sharpens handling and improves looks. BMR now offers a quarter of springs to bring your S550 down and make it handle even better.

A stiffer sway bar puts a lot of load on the end-links and if you have installed better bars, odds are you might need some adjustability for those track days. That’s where BMR’s new adjustable sway bar end-links come into play. They are more rugged that the factory pieces, plus their adjustable design lets you set preload to work with the track.
A stiffer sway bar puts a lot of load on the stock end-links (right) and if you have installed better bars, odds are you might need some adjustability for those track days. That’s where BMR’s new adjustable sway bar end-links (left) come into play. They are more rugged that the factory pieces, plus their adjustable design lets you set bar preload to work with the track.

“Manufactured from chrome silicon high-tensile spring wire, these springs are cold wound on a CNC coiling machine that can adjust the spring diameter in real time to ensure that every spring is exactly the same,” says BMR. “These springs will lower your 2015 and Newer V8-equipped Mustang and feature a 170 in-lb front and 740 in-lb rear linear spring rate to give you a smooth ride and great looks.”

While BMR started working on the rear suspension of the latest Mustang, both the springs and the company’s new adjustable end-links help at all four corners. The end-links feature greaseable, ball joint-style tie rods that allow for correction of sway bar geometry and adjustment to make the most of track conditions.

To keep your new Mustang’s IRS cradle from shifting when you drop the hammer, BMR offers new polyurethane cradle bushings that will reduce that movement and improve traction.
To keep your new Mustang’s IRS cradle from shifting when you drop the hammer, BMR offers new polyurethane cradle bushings that will reduce that movement and improve traction.

“The BMR Adjustable Front and Rear End Link kit is designed to resist deflection, giving you the full potential of the sway bar. BMR designed the ELK012 for street performance, autocross, and road race applications,” the company explained. “The adjustable links give you the ability to correct sway bar geometry and working angles on lowered S550s and cars with adjustable sway bars. The adjustability also allows you to add preload and fine-tune the suspension for specific track conditions.”

Speaking of track conditions, when you drive a 2015 Mustang in anger the independent rear suspension’s cradle can more around on its soft factory bushings. That can lead contribute to that dreaded wheel hop, which reduces traction. To get the cradle under control, BMR now offers poly cradle bushings.

To limit the movement of your Mustang’s differential in its soft rubber mounts, BMR created this billet aluminum differential bushing lockout kit to get that movement under control.
To limit the movement of your Mustang’s differential in its soft rubber mounts, BMR created this billet aluminum differential bushing lockout kit.

“Designed from 95-durometer polyurethane, BMR’s cradle bushings center the cradle and greatly reduce deflection caused by the stock rubber bushings. BMR Poly Cradle Bushings solidly connect the cradle to the chassis, reducing deflection and transferring more power to the tires,” the company said. “BMR designed the BK047 for street performance, drag race, and handling applications, making them the perfect wheel-hop solution for any performance-based S550 Mustang.”

Like the cradle, the Super 8.8 rearend will also move around on its soft rubber mounts, which compounds the wheel hop and further reduces traction. As such, BMR develop its differential lockout bushings to tame that movement.

“BMR designed the BK054 for street performance, drag race, and handling applications, making them the perfect wheel hop solution for performance-based S550 Mustangs,” BMR says. “Each plate is CNC-machined to strict tolerances, which ensures high quality and a perfect fit. These bushing plates eliminate nearly all differential movement, increasing handling stability and giving you a much-improved overall feel in any performance driving situation.”

Of course, these are just latest in a long line of 2015+ Mustang suspension upgrades from BMR, and we have a feeling they won’t be the last.

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