Moton 1-Way Series Coilovers – BMW Z4 M (E85 / E86)

OVERVIEW

The Moton 1-Way Series is the entry point into Moton's motorsport-derived coilover range for the E85 Z4 M Roadster and E86 Z4 M Coupe. It is a single-adjustable (rebound) non-inverted monotube damper with ride-height adjustment, built by Moton (AST Suspension) in the Netherlands with application-specific valving and springs. It delivers serious street and track-day performance without remote reservoirs — ideal for drivers who want one knob to tune, or race classes that prohibit canisters.

SPECS

• Monotube damper, non-inverted, 1-way adjustable (rebound) with 15 click positions
• Independent ride-height adjustment, front and rear
• 22 mm shaft with low-friction seals and large main piston for fast response
• Camber-adjustable front top mounts and solid rear top mounts (where applicable)
• Application-specific valving and spring rates; fully rebuildable and revalveable
• Manufactured by AST / Moton in the Netherlands

PARTS INCLUDED

• (4) Moton 1-Way Series dampers
• Application-specific springs
• Front and rear top mounts
• Mounting hardware as supplied by Moton

TECH RESOURCES

Required Extras

• None. No additional hardware or accessories are required beyond what is included with this kit.

Installation

• Moton does not publish a public installation PDF; kits ship with application-specific setup notes from Moton. Installation should be performed by a shop experienced with motorsport coilovers, followed by a four-wheel alignment.
• Speed Logic offers in-house installation and alignment — request an appointment.
• Fitment questions before ordering? Contact Speed Logic.
• Need more adjustment? See the Moton 2-Way Clubsport – Z4 / Z4 M (E85 / E86) or Moton 3-Way Motorsport – Z4 M (E85 / E86).
• Special-order item built to order by Moton; pricing reflects manufacturer MAP and is subject to change.

PART NUMBER

• M 505 178SD — BMW Z4 M E85 / E86

VEHICLE APPLICATIONS