SuperPro SPF3954-90K Rear Lower Rearward Control Arm (Toe Arm) Bushing Kit – Motorsport
Upgrade rear-end precision on your BMW 1 Series M (E82) or BMW 3 Series (E90/E91/E92/E93) with the SuperPro SPF3954-90K rear lower rearward control arm / toe arm bushing kit. These motorsport-grade polyurethane bushings replace soft factory rubber to reduce deflection, improve alignment stability, and deliver sharper, more consistent handling—especially on lowered or performance-driven setups.
Key Benefits
- Reduced deflection: Less toe change under load for improved stability and traction
- Sharper response: Better chassis feedback and more precise turn-in
- Improved alignment control: Helps maintain toe/camber settings under acceleration and cornering
- Durable polyurethane: Resistant to heat, oil, water, and road grime
- Direct-fit replacement: Installs in factory locations (no modifications required)
What’s Included
- 4x SuperPro polyurethane bushings
- 4x sleeves/tubes
Specifications
| Part Number | SPF3954-90K |
|---|---|
| Position | Rear lower rearward control arm / toe arm bushings |
| Material | Engineering-grade polyurethane (motorsport) |
| Install Difficulty | Difficult (press required) |
| Estimated Install Time | ~2 hours |
| Alignment Required | Yes (recommended immediately after install) |
| Country of Origin | Australia |
| Warranty | Limited lifetime |
Fitment (Verify Before Purchase)
- 2011–2013 BMW 1 Series M (E82)
- 2006–2013 BMW 3 Series (E90/E91/E92/E93: 325i / 328i / 335i / 335is / M3)
- 2013–2015 BMW X1 (sDrive28i / xDrive28i / xDrive35i) – verify application
Tip: Always confirm fitment using your exact year/make/model and suspension configuration.
Installation Notes
- Control arm removal and bushing pressing are required
- Professional installation recommended
- Wheel alignment is mandatory after installation
FAQ
Will ride quality be harsher?
Slightly firmer than stock rubber, with a noticeable improvement in stability and response.
Do I need an alignment?
Yes—an alignment is strongly recommended after installation to set rear toe/camber correctly.
Is this a DIY install?
This is a difficult install (press required). Professional installation is recommended.
Shipping & Handling
- Ships via UPS/FedEx Ground
- Typically ships same or next business day when in stock
- Packaged in official retail packaging
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