YCW Reference Series Coilovers for BMW M3 E90/E92/E93 (E9X) – 4K/12K, Height & 7-Way Rebound Adjustable, Camber/Caster Plates, Swift Springs, Rebuildable, Lifetime Warranty

Performance Suspension Kit for BMW M3 E90 E92 E93 - 4K front, 12K rear

Unlock precision handling, confident road manners and track-day composure on your E9X M3 with the YCW Reference Series adjustable suspension kit. Built for drivers who want real control without the crashiness of budget gear, this shock and spring package delivers sharper steering response, flatter cornering and a planted, predictable ride on fast road and circuit use.

We have installed this setup on multiple customer M3s and the feedback has been consistently excellent for ride quality, grip and repeatable performance session after session. If you want a road-friendly upgrade that can take weekend track work in its stride, this is the set we keep coming back to.

What you gain on your E9X M3

• Ride height adjustability for stance and corner balance
• 7-stage rebound control to fine tune compliance and support
• Adjustable top mounts with camber and caster tuning for tyre contact and turn-in
• Fast-road and track-ready spring rates: 4 kgf/mm front, 12 kgf/mm rear
• Durable construction for UK weather with real long-term serviceability

Engineering highlights

• Forged 6061-T6 hard-anodised aluminium front upper mounts
• High-tensile carbon steel camber and caster plates with anti-slip finish
• Oversized PTFE-lined Japanese spherical bearings for precise location
• Forged 6061-T6 upper spring perches with sealed Japanese radial bearings
• Swift 65 mm ID linear springs made from Japanese HS5.TW steel
• 52 mm OD cold-drawn Japanese SAE 1020 seamless carbon steel damper bodies
• Black zinc-plated, fully threaded bodies tested to 250 hours salt spray
• Forged SAE 4140 chromoly piston rods with ceramic rod guides
• 7-click rebound adjustment for quick damping changes
• 44 mm OD forged 7075-T6 hard-anodised Double-Digressive-Blow-Off DBO Piston
• Filled with Silkolene PRO RSF VI-460 oil and sealed with Viton O-rings
• Forged 6061-T6 hard-anodised lower perches and locking collars
• Fully threaded forged 6061-T6 or high-tensile carbon steel lower mounts
• Silicone end caps on lower mounts where applicable
• Weather-resistant neoprene dust covers
• Fully rebuildable for long-term ownership

Fitment

BMW M3 E90 Saloon, E92 Coupe, E93 Convertible.

Part number

YCW-REF-E92M

Warranty

Lifetime warranty on hard parts and 1-year warranty on wear components.

Installation and setup

For expert fitting, geometry and setup, book with MJ Modifications in Warwickshire. Email info@mjmodifications.co.uk for a quote and advice on ride height, camber, caster and rebound settings tailored to your driving style.

Compatibility check

We verify fitment before dispatch. Add your UK registration or last 7 digits of the VIN at checkout so we can confirm suitability for your specific M3.

Why enthusiasts choose this upgrade

UK road and track users search for proven BMW M3 E90 suspension upgrades that combine comfort with grip. This kit answers those needs with height adjustable suspension, 7-stage rebound control, camber and caster adjustable top mounts, Swift linear springs, rebuildable dampers and robust, corrosion-resistant hardware. Ideal for drivers looking for an E92 M3 lowering kit, E93 M3 track setup, E9X M3 handling upgrade, adjustable shocks and springs for daily use, or a fast-road alignment friendly package that works with sticky tyres and aggressive wheel setups.

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