AST Suspension Adjustable Lowering Springs – BMW M240i / M340i / M440i (G20 / G22 / G42, B58)

OVERVIEW

AST adjustable lowering springs for the G-chassis M240i, M340i and M440i (B58, xDrive) let you dial in ride height — roughly 5–35mm front and 5–40mm rear — while retaining the factory dampers.

SPECS

• Ride-height-adjustable lowering springs
• Approx. 5–35mm front / 5–40mm rear adjustment
• Works with the factory dampers
• xDrive fitment

PARTS INCLUDED

• Front and rear adjustable lowering springs and perches

TECH RESOURCES

Additional Parts Required

• None. Installs with the factory dampers.

Installation

• Professional installation and an alignment are recommended.

Notes

• Fits xDrive models only — not compatible with the G21 Touring or G23 convertible chassis.

PART NUMBER

• ASTALS-21-003

VEHICLE APPLICATIONS