AST Suspension Street 5100 Series Non-Inverted Coilover Kit - 2007-2013 Alpina B3 S Bi-Turbo Allrad AWD (E90) ACS-B1608SD

AST Suspension

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SKU: ACS-B1608SD

AST Suspension Street 5100 Series Non-Inverted Coilover Kit - 2007-2013 Alpina B3 S Bi-Turbo Allrad AWD (E90)

$3,750.00
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Fitment Notes

All fitment information on our website is provided by the manufacturer. It is the customer's responsibility to thoroughly read the product description and confirm fitment before placing an order and proceeding with installation.

Unless specified otherwise, all suspension products are designed for 2WD vehicles only. Any notes or descriptions related to electronic damping systems (EDC, DDS, etc.) apply strictly to vehicle fitment. Aftermarket coilovers are not compatible with OEM electronic damping control systems unless explicitly stated.

*Product images may not represent the actual SKU.

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Product Details

Looking for the perfect everyday road balance? The 5100 Street Non-Inverted Suspension to your 2007-2013 Alpina B3 S Bi-Turbo Allrad AWD (E90) delivers comfort and control in one refined package. Experience a high-quality monotube coilover system, 1-way adjustable for rebound and ride height. The front coilover design ensures precise handling, while the OEM-style rear setup maintains daily comfort. Built with fixed rear spring rates, OEM-compatible top mounts, and rebuildable dampers, this system offers lasting performance. Engineered and made in the Netherlands, the 5100 STREET suspension maximizes grip and stability, giving your car the perfect balance between comfort and control on every drive.

Standard Features

  • 1-Way Rebound Adjustable – 12-position rebound adjustment lets you fine-tune damping for different driving conditions.
  • Ride Height Adjustable – Adjust vehicle ride height while maintaining maximum damper stroke for consistent suspension performance.
  • High-Performance Monotube Design – High-pressure gas and a floating piston help reduce cavitation while improving grip, control, and driver feedback.
  • OEM Top Mount Compatible – Designed to work with factory top mounts, making it a practical upgrade for street-focused applications.
  • Rebuildable & Spring Included – Built for long-term performance and serviceability, with vehicle-specific springs included in the kit.
Specifications
Part Number ACS-B1608SD
Part Name 5100 Series Coilovers
Vehicle 2007-2013 Alpina B3 S Bi-Turbo Allrad AWD
Chassis Code E90
Ride-Height Adjustable Yes
Damping Adjustment 1-Way
Kit Includes 4 Shock Absorbers
Kit Includes Springs
Quantity Full Set (Front & Rear)
Vehicle Fitment
  • 2007 Alpina B3 S Bi-Turbo Allrad AWD (E90)
  • 2008 Alpina B3 S Bi-Turbo Allrad AWD (E90)
  • 2009 Alpina B3 S Bi-Turbo Allrad AWD (E90)
  • 2010 Alpina B3 S Bi-Turbo Allrad AWD (E90)
  • 2011 Alpina B3 S Bi-Turbo Allrad AWD (E90)
  • 2012 Alpina B3 S Bi-Turbo Allrad AWD (E90)
  • 2013 Alpina B3 S Bi-Turbo Allrad AWD (E90)

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