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BMW Strut Assembly - Bilstein B6 Performance 31-231299
BMW Strut Assembly - Bilstein B6 Performance 31-231299
BMW Strut Assembly - Bilstein B6 Performance 31-231299
BMW Strut Assembly - Bilstein B6 Performance 31-231299
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BMW Strut Assembly - Bilstein B6 Performance 31-231299

Suspension Shock and Struts
Bilstein
BIL-31231299
Many in stock
$2,029.34 CAD $1,299.00 CAD
Ships in 3–4 days

Estimated Delivery: Jul 18, 2026 - Jul 24, 2026

BMW Strut Assembly - Bilstein B6 Performance 31-231299
Product Product subtotal Quantity Price Product subtotal
BMW Strut Assembly - Bilstein B6 Performance 31-231299
BMW Strut Assembly - Bilstein B6 Performance 31-231299BIL-31231299
BMW Strut Assembly - Bilstein B6 Performance 31-231299BIL-31231299
$2,029.34
$1,299.00/ea
 $0.00
$2,029.34
$1,299.00/ea
 $0.00

Details

SKU: BIL-31231299
GTIN / UPC: 00651860735917
Made in: Germany
Quality: Performance

OE Numbers

31312283125, 31312283126

MFG Numbers

31-231299

Product Information

The Bilstein 31-231299 suspension strut assembly is a performance replacement designed to restore proper front suspension damping while working with the factory electronic damping system.

A strut assembly is a key suspension component that helps support the vehicle, acts as a suspension pivot point and controls the compression and rebound of the coil spring as the suspension moves over bumps, dips and uneven road surfaces.

Worn struts can cause the vehicle to feel bouncy, loose or unstable, and may create clunking noises over bumps. Replacing worn strut assemblies helps restore steering response, ride control and overall handling stability.

When replacing suspension dampers, it is recommended to replace them in pairs to maintain balanced damping performance from side to side.

  • Bilstein performance suspension strut assembly
  • Works with the factory electronic damping system
  • Helps restore proper front suspension control and stability
  • Designed to reduce excessive bounce and body movement
  • Supports improved steering response and handling feel
  • Manufactured in Germany
  • Replaces worn, leaking or weak factory strut assemblies

Suspension Strut Assembly Failure Symptoms

  • Noise or clunking over bumps
  • Abnormal or uneven tire wear
  • Vehicle wandering while driving
  • Poor steering response
  • Poor handling or reduced stability
  • Harsh or unsettled ride quality
  • Bouncy or loose suspension feel
  • Excessive body movement during braking or cornering

About Bilstein

Bilstein is a globally renowned leader in suspension technology, engineering high-performance shocks, struts, and coilover systems trusted by automotive enthusiasts, OEM manufacturers, and motorsport teams. Their precision German manufacturing delivers exceptional ride quality, handling, and durability across a wide range of vehicles.

Whether you're looking for a comfortable OEM replacement, enhanced street performance, or full track-ready suspension kits, Bilstein offers solutions tailored to your needs. From the legendary B6 and B8 Performance Shocks to the adjustable B16 PSS10 Coilovers, experience unparalleled control and stability.

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Please review the listed vehicle compatibility before ordering. Match the year, drivetrain, body style, engine, and transmission shown below.

BMW M5
  • 2006 SMG RWD Sedan 5.0L V10 S85B50A Gas (Front Left)
  • 2006 SMG RWD Sedan 5.0L V10 S85B50A Gas (Front Right)
  • 2006 Manual RWD Sedan 5.0L V10 S85B50A Gas (Front Left)
  • 2006 Manual RWD Sedan 5.0L V10 S85B50A Gas (Front Right)
  • 2007 SMG RWD Sedan 5.0L V10 S85B50A Gas (Front Left)
  • 2007 SMG RWD Sedan 5.0L V10 S85B50A Gas (Front Right)
  • 2007 Manual RWD Sedan 5.0L V10 S85B50A Gas (Front Left)
  • 2007 Manual RWD Sedan 5.0L V10 S85B50A Gas (Front Right)
  • 2008 SMG RWD Sedan 5.0L V10 S85B50A Gas (Front Left)
  • 2008 SMG RWD Sedan 5.0L V10 S85B50A Gas (Front Right)
  • 2008 Manual RWD Sedan 5.0L V10 S85B50A Gas (Front Left)
  • 2008 Manual RWD Sedan 5.0L V10 S85B50A Gas (Front Right)
  • 2009 SMG RWD Sedan 5.0L V10 S85B50A Gas (Front Left)
  • 2009 SMG RWD Sedan 5.0L V10 S85B50A Gas (Front Right)
  • 2009 Manual RWD Sedan 5.0L V10 S85B50A Gas (Front Left)
  • 2009 Manual RWD Sedan 5.0L V10 S85B50A Gas (Front Right)
  • 2010 SMG RWD Sedan 5.0L V10 S85B50A Gas (Front Left)
  • 2010 SMG RWD Sedan 5.0L V10 S85B50A Gas (Front Right)
  • 2010 Manual RWD Sedan 5.0L V10 S85B50A Gas (Front Left)
  • 2010 Manual RWD Sedan 5.0L V10 S85B50A Gas (Front Right)

Need fitment help? Contact us with your VIN or full vehicle details before ordering.

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Find quick answers to common product, ordering, shipping, returns, warranty, and support questions.

GEMS autocraft offers quality auto parts, performance upgrades, accessories, maintenance services, retrofit solutions, and advanced coding support for a wide range of vehicles.

Returns are accepted within 30 days of delivery, provided the item is unused, in its original packaging, and in resellable condition. For complete details, please see our Return Policy.

Yes, we ship worldwide. Orders are packed carefully and overboxed when needed to help ensure they arrive safely.

Yes. Once your order has shipped, you will receive a tracking number by email. You can also check your order status anytime through your customer account under the Orders section.

We accept major credit cards, PayPal, Apple Pay, Google Pay, Shop Pay, e-Transfer, and Wise to offer a secure checkout experience.

Need help with something else? Contact us and our support team will be happy to assist.

We stand behind every product and service we offer.
Our return and warranty process is clear, fair, and efficient, so each request can be reviewed properly and handled with care.

Returns
Return Window Returns must be requested within 30 days of delivery.
Item Condition Items must be unused, complete, in their original packaging, and in resellable condition.
Final Sale Items Electrical components, fluids, lubricants, used parts, custom orders, special orders, and gift cards are final sale.
Warranty Coverage
Product Warranty Manufacturer's applicable warranties are honored on all products, typically ranging from 1 to 5 years depending on the brand and product.
Service Warranty Repair, rebuild, and installation services are covered by a 1 year workmanship warranty.
Installed Parts When parts are supplied and installed by GEMS autocraft, eligible warranty claims cover both the part and the workmanship.
Claims & Processing
Claim Requirements Please provide your order number, product details, a clear description of the issue, and photos when applicable.
Refund Processing Once received, inspected, and approved, refunds are issued to the original payment method within 3 to 5 business days.
Return Shipping Return shipping and insurance are the customer’s responsibility unless the return is approved as part of an eligible warranty claim.

Warranty coverage may vary by product, brand, service type, and condition. For complete terms, exclusions, and examples, please read the full Return and Warranty Policy.

Submit Return Request Submit Warranty Claim

GEMS Guard™ gives you long-term confidence across the products and services we support.
It combines lifetime protection on GEMS autocraft branded parts, honored manufacturer warranties, and a 1 year workmanship warranty on services performed by GEMS autocraft.

Product Protection
GEMS Branded Parts All GEMS autocraft branded products are protected by our GEMS Guard™ Lifetime Warranty.
Manufacturer Warranty Support Manufacturer's applicable warranties are honored on all eligible products, typically ranging from 1 to 5 years depending on the brand and product.
Built With Accountability Whether it carries the GEMS name or is supported through the original manufacturer, our team helps review eligible claims and guide the warranty process properly.
Service Protection
Repair and Rebuild Services All repair and rebuild services performed by GEMS autocraft are backed by a 1 year workmanship warranty on the work completed.
Professional Installation Installation work completed by GEMS autocraft is covered for 1 year from the completion date, giving you confidence that the work was performed with care and accountability.
Supplied and Installed by GEMS When a covered part is both supplied and installed by GEMS autocraft, eligible claims cover the part and the workmanship together during the applicable warranty period.
How Claims Work
Simple Review Our team reviews each claim directly to confirm product eligibility, warranty type, issue details, and the best next step.
Required Details Please provide your order number, product details, a clear description of the issue, and photos or diagnostic information when applicable.
Fair Resolution Once approved, we will help resolve the claim as efficiently as possible through repair, replacement, store credit, manufacturer support, or another appropriate warranty solution.

Coverage does not apply to misuse, improper installation, modification, abuse, neglect, or damage caused by unrelated vehicle issues. Warranty coverage may vary by product, brand, service type, and condition. For complete terms, please read the full Return and Warranty Policy.

Submit Warranty Claim Contact Support
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