H&R Anti-Roll Bar Kit – 33039-1 (Front & Rear) BMW M3 E9X
H&R Anti-Roll Bar Kit – 33039‑1 (Front & Rear)
Upgrade your BMW’s handling with the premium-quality H&R Anti-Roll Bar Kit 33039‑1—a complete front and rear sway bar setup engineered for enhanced cornering control and road confidence.
Product Overview:
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Brand: H&R
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Part Number: 33039‑1
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Type: Front and Rear Anti-Roll Bar (Sway Bar) Kit
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Construction: High-tensile German spring steel, powder-coated, with precision-forged ends and composite rubber bearings
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Adjustability: Non-adjustable design aimed at preserving ride quality
Key Performance Features:
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Reduced Body Roll: Enhances lateral stability in fast corners and sudden maneuvers, keeping the chassis flatter.
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Sharper Steering Response: Improves turn-in accuracy and handling agility, reducing understeer and oversteer tendencies.
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Maintained Ride Comfort: Modest bar thicknesses (Front: 27 mm / Rear: 23 mm) retain supple ride quality without sacrificing performance.
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Precision Build: Manufactured in Germany with high craftsmanship—crafted from high-strength steel with forged ends, corrosion-resistant coating, and durable bearings.
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Optimized Handling: Balanced design distributes weight effectively across wheels, improving traction and reducing body motion patterns.
Ideal Fitment & Applications:
Specifically designed for a variety of BMW 3 Series (E90/E92/E93) and BMW 1 Series (E82 M-Coupe) applications, including M3 and M390 models from 2007 onward. Not compatible with vehicles equipped with active steering or a front bar with a central crank.
Installation & Support:
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Kit includes both front and rear bars plus the necessary mounting hardware and polyurethane bushes.
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Designed for direct fitment; professional installation is recommended for best results.
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Ideal for pairing with upgraded springs or retaining OEM springs intact.
Quick Specs Table:
| Specification | Detail |
|---|---|
| Front Bar Thickness | 27 mm |
| Rear Bar Thickness | 23 mm |
| Adjustability | Non-adjustable |
| Ride Quality | Preserved (OEM-level) |
| Material | High-tensile German steel |
| Core Features | Forged ends, powder-coated, composite bushes |
| Fitment Restriction | No active steering, no middle crank |
Summary:
The H&R 33039‑1 kit is a plug-and-play performance upgrade that significantly enhances handling dynamics while retaining comfort—making it a standout choice for drivers who want sharper response and reduced body roll without compromising everyday usability.