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Suspension and Components› Suspension Kits
Bilstein
Bilstein B12 99-06 BMW 323i/325i/328i/330i Front and Rear Suspension Kit
SKU: B009 46-242792
Moderate — 2–4 hours
Overview
The B12 Pro-Kit lowers the vehicle by approximately 40mm in the front and 20-25mm in the rear. It includes all necessary factory hardware for installation, utilizing existing shock mounting bolts. The package contains four shocks and four matched coil springs, all covered by a Bilstein Limited Lifetime Warranty.
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Part #: 46-242792
Bilstein B12 (Pro-Kit) suspension kits include a complete set of Bilstein Performance dampers paired with Eibach (Pro-Kit) springs that provide moderate lowering between 24-40mm (depending on application). These kits offer dampers and springs that are tuned for each specific application to provide the best fixed height lowering solution. Bilstein B12 (Pro-Kit) suspension kits provide the perfect combination of suspension dynamics, quality and aesthetics.
Features:
- Precise response, excellent driving dynamics and high reserves of safety
- Offers even lowering between 25-40mm, depending on application
- Eibach Pro-Kit performance suspension spring with progressive characteristics
Complete Suspension Kit
This product may expose you to chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm.
Vehicle Symptoms
- Excessive body roll when cornering
- Nose dive under hard braking
- Bouncy or unsettled ride on highway
- Vehicle feels unstable at high speeds
- Rear squat during acceleration
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Product descriptions are provided by our supplier partners and may not always be perfectly accurate. Not sure this fits? or call (760) 282-4645 and we’ll verify before you order.
Fitment
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Specifications
| Brand | Bilstein |
| Part Number | B009 46-242792 |
Videos
The SHOCKING Truth - Bilstein B4 vs B8 (B12) E46 330ci
[DIY] How To Replace Your Rear Shocks on a BMW 3 Series [325i, 328i, 330i] Bilstein B12 Pro Kit.
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Z4M Suspension Refresh | Bilstein B12 Pro Kit Review
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[DIY] How To Change Your Front Suspension on a BMW 3 Series - Bilstein B12 PRO [E90, E91, E92, E93]
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Returns & Fitment
Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.
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