YCW BMW E46 Coilover Kit 4K/12K - 325i and 330i - Reference Series
Transform the way your BMW E46 325i or 330i drives with the YCW Reference Series Coilovers. This is the ultimate BMW E46 suspension upgrade for fast road and occasional track use, delivering precision handling, improved grip, confident braking and a smooth, controlled ride. If you are searching for BMW E46 coilovers, BMW 325i coilovers, BMW 330i coilovers or a high quality E46 coilover kit with 4K/12K spring rates, this YCW coilover kit is the proven choice.
We run these on our own builds and customer cars. Feedback has been consistently excellent on ride quality, steering feel and real-world pace. You get premium materials, proper engineering and superb aftercare at a price that embarrasses many so-called premium E46 coilover kits.
Why choose YCW E46 coilovers for your 325i and 330i
- Balanced performance - fast-road composure with genuine track-day capability
- 4K/12K spring rates - ideal for daily driving, B-roads and spirited use
- Premium Swift linear springs - consistent rates and excellent ride control
- 7-level rebound adjustment - dial in comfort or firmness to suit your setup
- Fully rebuildable - long-term serviceability and value
- Outstanding corrosion resistance - engineered to excel in UK conditions
Key features and materials
- Forged 6061-T6 hard anodised aluminium front upper mounts
- High-tensile carbon steel front camber and caster plate with anti-slip coating
- Oversized PTFE-lined Japanese spherical upper mount bushing for precise steering
- Forged 6061-T6 hard anodised aluminium upper spring perch with sealed Japanese radial bearing
- 65 mm ID cold-wound Japanese HS5.TW steel linear springs from SWIFT
- OEM-balanced spring rates for the E46 chassis
- 52 mm OD cold-drawn Japanese SAE 1020 seamless carbon steel shock body
- Black-zinc plated fully threaded shock body - 250 hours salt-spray tested
- Forged SAE 4140 chromoly steel piston rod with ceramic piston rod guide
- 7-level rebound adjustment for easy, repeatable tuning
- 44 mm OD forged 7075-T6 hard anodised aluminium Double-Digressive-Blow-Off DBO Piston
- Silkolene PRO RSF VI-460 damper oil and Viton performance O-rings
- Forged 6061-T6 hard anodised lower spring perch locking collar
- Fully threaded forged 6061-T6 hard anodised or high-tensile carbon steel lower mount
- Silicone lower mount end caps where applicable
- Weather-proof neoprene shock covers
- Fully rebuildable construction
Real-world benefits for your BMW E46 325i and 330i
- Sharper turn-in and more confidence on corner entry
- Stable mid-corner balance and improved traction on exit
- Reduced roll and pitch without sacrificing ride quality
- Consistent performance in all weathers thanks to robust, corrosion-resistant finishes
- Easy adjustability - quickly fine-tune rebound to match tyres, roads and driving style
Fitment - BMW E46 3 Series
Compatible with BMW 3-Series E46 non-M3 models including 325i and 330i.
Part number
YCW-REF-E46
Manufactured by
YCW Engineering
Warranty
Lifetime warranty on all hard parts and 1 year warranty on all wear parts.
Compatibility check before dispatch
We verify compatibility before shipping. At checkout, provide your UK registration number or the last 7 digits of your VIN so we can confirm this BMW E46 coilover kit is correct for your vehicle.
Professional fitting and setup
For expert fitting, alignment and setup, choose Nforcd in Warwickshire. Email Sales@nforcd.com to request a fitting quote and we will tailor the installation and rebound settings to your BMW E46 325i or 330i and your driving style.
Search-friendly tags and terms
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