Moton 98-06 BMW E46 3 Series & M3 1-Way Series Coilovers (M 505 174SD)

The Moton 98-06 BMW E46 3 Series & M3 1-Way Series Coilovers is a coilover kit from Moton. Part M 505 174SD.

Do you take your car to the track but still want a perfect road balance for daily driving? The MOTON 1-Way Suspension offers the ideal combination of performance and comfort. This non-inverted monotube coilover system is 1-way adjustable for rebound and ride height, featuring a coilover setup front and rear for maximum precision. It includes camber-adjustable front top mounts and solid rear mounts where applicable, plus adjustable-rate springs. Fully rebuildable and made in the Netherlands, it’s engineered for lasting quality. An elevated top guide with a helper piston minimizes sideload friction, ensuring consistent damping and reduced internal wear. You can even upgrade with a MOTON Air Cup System for added versatility — perfect for both road and track use.

Features and benefits

Monotube dampers offer a large piston to control the adjustability of rebound damping. Non inverted. These dampers can adjust in ride height and rebound (return to extension). Front and rear dampers utilize a coilover design.

Details

• Brand: Moton
• Series: Moton 1-Way
• Part number: M 505 174SD
• Manufacturer description: Moton 98-06 BMW E46 3 Series & M3 Moton 1-Way Series Coilovers
• Kit includes (partial list from the manufacturer data): Droplink Front

Fitment

• Vehicle: BMW 3 Series (E46), BMW M3 (E46)
• Years and models on file: 2000 BMW 323Ci Base; 1999-2000 BMW 323i Base; 2001-2006 BMW 325Ci Base; 2001-2005 BMW 325i Base; 2000 BMW 328Ci Base; 1999-2000 BMW 328i Base; 2001-2006 BMW 330Ci Base; 2001-2005 BMW 330i Base; 2001-2006 BMW M3 Base
• Suspension packages vary within a model line (electronic dampers, engine, body style and drive type). Compare the application above with your car before ordering. Not sure? Ask us and we will check it against your VIN.

Before you order

Coilover kits are built for a specific chassis, drivetrain (RWD / AWD) and model range. Compare the manufacturer description above with your car. Cars with factory electronic dampers (for example EDC, PASM or adaptive M suspension) may need a cancellation kit, which is not included unless listed. An alignment is needed after installation. Questions? Ask us.

About Moton

Moton is a Dutch maker of motorsport suspension. It builds 1-way, 2-way and 3-way adjustable monotube dampers in the Netherlands for race, endurance and track cars, along with related chassis parts.

Shipping & returns

• Orders are processed within 1–3 business days; standard delivery is 3–7 business days within the United States.
• Special order: this item is ordered from the manufacturer after you place your order. It is not shipped from stock and can take several weeks. We email you the expected ship date after you order.
• We currently ship within the U.S. only. See our Shipping Policy.
• 30-day returns on unused parts in original packaging — see our Return Policy.

Installation at Team ANBD

Team ANBD is a performance shop in Andover, New Jersey. An alignment is recommended after any ride-height change, and we can align or corner-balance the car, and prep track cars. Book an appointment or ask us about installation and fitment before you order.