$595.00 USD
$595.00 USD












The MMX Performance lowering spring set is the cleanest way to fix the G20's factory wheel gap while sharpening up its road manners. Engineered specifically for the BMW G20 platform, the kit comes in two drivetrain-specific variants (xDrive and RWD) each with a drop profile tuned to the weight distribution of the configuration.
The xDrive variant drops the front 25mm and the rear 20mm, accounting for the heavier front-axle load of the all-wheel-drive setup. The RWD variant drops 30mm all round for a more aggressive, balanced stance on the lighter rear-drive chassis. Either way, the geometry stays balanced front-to-rear and the OEM damper response remains predictable.
The dynamic difference is immediate behind the wheel, sharper turn-in, less initial body roll, more confident high-speed composure, and a noticeably more planted feel through quick direction changes. Ride quality is preserved for daily use thanks to a progressive spring rate that complements the OE damper tune.
Both variants are fully compatible with cars running OE/stock dampers, finished in MMX metallic grey, and supplied as a complete four-corner spring set.
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$595.00 USD
$595.00 USD
This product can expose you to chemicals such as lead and lead compounds, which are known to the State of California to cause cancer or birth defects or other reproductive harm. For more information, visit www.P65Warnings.ca.gov.
For a complete list of chemicals known to cause harm, visit https://www.p65warnings.ca.gov/chemicals.
Under the federal Clean Air Act (42 U.S.C. §7522(a)(3)), it is illegal to manufacture, sell, install, or use any part that defeats or alters a motor vehicle’s emission control system for use on public roads. Unless a product has received an Executive Order (EO) from the California Air Resources Board (CARB), it is not legal for use or installation on any pollution-controlled vehicle driven on public highways.
Some states have CARB-equivalent or independent emissions laws. Customers are responsible for verifying local regulations before purchasing or installing emissions-related products.
All performance, racing, or competition parts sold by this company are intended solely for off-road, closed-course, or competition use on vehicles that are never registered or used on public highways.
Kies Motorsports, LLC sells and markets these products for lawful use only. We do not condone or authorize the use of emission-control defeat devices or any modification that violates the Clean Air Act or state regulations.