Ultra Racing BMW 3 Series E46 2-Point Rear Strut Brace – UR-RE2-177
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Ultra Racing 2-Point Rear Strut Brace – BMW 3 Series E46 – UR-RE2-177
The Ultra Racing UR-RE2-177 is a 2-point rear strut brace designed for a wide range of BMW 3 Series E46 models, from four- and six-cylinder road cars through to the E46 M3. Installed between the rear suspension tower areas, it strengthens the upper rear section of the bodyshell and helps reduce flex as suspension loads transfer through the chassis.
Rear chassis movement can become more noticeable as suspension stiffness and tyre grip increase. By linking the two rear tower areas together, the RE2-177 helps distribute loads across the rear structure rather than allowing each side to act as independently under cornering forces.
This makes it a useful addition to road, fast-road and track-focused E46 builds, particularly when combined with coilovers, lowering springs, uprated bushes or performance tyres. Unlike an anti-roll bar, the brace does not alter roll stiffness; instead, it provides additional structural support for the suspension mounting area.
Key Features
• 2-point rear upper strut brace
• Wide BMW E46 application range
• Links the rear suspension tower areas
• Helps reduce unwanted rear chassis flex
• Supports more consistent suspension behaviour under load
• Suitable for both non-M and M3 E46 applications
• Complements uprated suspension and performance tyres
• Bolt-on installation
• Approximate dimensions: 108 × 10 × 2 cm
• Approximate weight: 1.5 kg
• Part number: UR-RE2-177 / URRE2-177
Vehicle Fitment
BMW 3 Series E46
BMW 318i
1.9 / selected 2.0 applications
BMW 320 / 320i
2.0
BMW 323i
2.3
BMW 325i
2.5
BMW 328i
2.8
BMW 330i
3.0
BMW M3 E46
3.2
2000–2006
Ultra Racing lists UR-RE2-177 across these E46 applications, while UK specialist listings also show the same part number for the broader 320–330 range and the E46 M3.
Product Details
Brand: Ultra Racing
Product Type: Rear Strut Brace / Rear Tower Brace
Position: Rear / Upper
Mounting Points: 2
Installation: Bolt-on
Dimensions: Approx. 108 × 10 × 2 cm
Weight: Approx. 1.5 kg
Part Number: UR-RE2-177
Installation may require cutting or modifying sections of the rear trim or carpet to allow the brace to pass between its mounting points.
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