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Sachs 5403280 - Suspension Strut and Coil Spring Kit (Rear)
Product Overview
The Sachs 5403280-Kit is designed to support the suspension repair and maintenance needs of your vehicle. This kit provides an OE-level, all-in-one set of matched components for rear suspension applications. With a focus on precision fitment and reliability, the kit includes essential parts to address symptoms such as excessive bouncing, noise during suspension travel, and uneven tire wear. The components in this kit are specifically manufactured to meet the demands of your vehicle's suspension system, referencing the MPN 5403280-Kit.
Kit Contents
- 2 x Lemforder - (29547 01) Rear Suspension Shock Absorber Mounts
- 2 x Lesjofors - (4208450) Rear Coil Springs
- 2 x Sachs - (310 720) Rear Suspension Shock Absorbers
Cross Reference Numbers
This Sachs 5403280-Kit is equivalent to or replaces the following part numbers: 29547 01, 4208450, 310 720.
Vehicle Compatibility
- BMW X3 2.5 (2004–2005)
- BMW X3 3.0 (2004–2010)
This kit also fits other applications. Please use the vehicle selector tool to verify compatibility before purchase.
Why Shop at eEuroparts.com?
- Expertise You Can Trust: Over 25 years specializing exclusively in European vehicles.
- Kits That Fit™ – complete, curated repair solutions with zero guesswork.
- Fitment Confidence: Industry-leading catalog accuracy ensures you get the right part the first time.
- Fast, Reliable Delivery: Most orders ship same or next business day from our U.S. warehouses.
- Transparent, Honest Pricing: Competitive prices with no hidden fees ever.
- Trusted Since 2000: Proudly serving the European car community for over two decades.
Frequently Asked Questions
What are the signs that I need to replace my rear suspension components?
Common symptoms include excessive bouncing after hitting bumps, unusual noises when driving over rough surfaces, and uneven tire wear indicating potential suspension issues.
How do I know if the shock absorber mounts are failing?
Failing shock absorber mounts may produce clunking sounds, cause instability during cornering, or result in poor ride quality.
What should I check if my vehicle feels bouncy after suspension repair?
If your vehicle feels bouncy, inspect the coil springs and shock absorbers for damage or improper installation, as they are critical to maintaining ride stability.
Are there any specific tools needed for installation?
While standard tools will suffice for installation, specific socket sizes may be required for the shock absorber and coil spring components, along with a spring compressor for safe handling of the coil springs.
What do I do if I experience a sudden drop in handling performance?
A sudden drop in handling performance may indicate a failure in the suspension components, such as worn shock absorbers or springs, which should be inspected immediately.
Order Sachs 5403280-Kit today to support a complete, well-matched repair for your vehicle.
Note: All information on this page and in the FAQ is for general reference only. Verify fitment and consult a professional as needed. eEuroparts.com is not responsible for incorrect part selection or installation.
- BrandSachs
- ManufacturerSachs
- MPN5403280-Kit
- Part TypeSuspension Strut and Coil Spring Kit
- PositionRear
- Kit Content2 x Lemforder - (29547 01) Rear Suspension Shock Absorber Mounts
2 x Lesjofors - (4208450) Rear Coil Springs
2 x Sachs - (310 720) Rear Suspension Shock Absorbers - OE Part Numbers33533413080, 33533413079
- Cross Reference Numbers5403280Kit
- FeaturesCalifornia Proposition 65 Required : (Rear Suspension Shock Absorbers) Y
California Proposition 65 Text : (Rear Suspension Shock Absorbers) WARNING: Cancer and Reproductive Harm - www.p65warnings.ca.gov
Seat Included : (Rear Coil Springs) No
- Fitment
- Fitment TypeVehicle Specific
| Year | Make | Model | Submodel | Notes |
|---|---|---|---|---|
| 2004 | BMW | X3 | 3.0i (3.0 L6 GAS) | Engine: M54, Chassis: E83, Notes: With Twin-tube Design - Sport Suspension - Standard Suspension - Except M-technology |
| 2004 | BMW | X3 | 2.5i (2.5 L6 GAS) | Engine: M54, Chassis: E83, Notes: With Twin-tube Design - Sport Suspension - Standard Suspension - Except M-technology |
| 2005 | BMW | X3 | 3.0i (3.0 L6 GAS) | Engine: M54, Chassis: E83, Notes: With Twin-tube Design - Sport Suspension - Standard Suspension - Except M-technology |
| 2005 | BMW | X3 | 2.5i (2.5 L6 GAS) | Engine: M54, Chassis: E83, Notes: With Twin-tube Design - Sport Suspension - Standard Suspension - Except M-technology |
| 2006 | BMW | X3 | 3.0i (3.0 L6 GAS) | Engine: M54, Chassis: E83, Notes: With Twin-tube Design - Except M-technology - Sport Suspension |
| 2007 | BMW | X3 | 3.0si (3.0 L6 GAS) | Engine: N52, Chassis: E83, Notes: With Twin-tube Design - For Vehicle From January 2007 To April 2007 - Except M-technology - With Sport Suspension |
| 2008 | BMW | X3 | 3.0si (3.0 L6 GAS) | Engine: N52, Chassis: E83, Notes: With Twin-tube Design - Except M-technology - Sport Suspension |
| 2009 | BMW | X3 | xDrive30i (3.0 L6 GAS) | Engine: N52, Chassis: E83, Notes: Twin-tube Design - Except M-technology |
| 2010 | BMW | X3 | xDrive30i (3.0 L6 GAS) | Engine: N52, Chassis: E83, Notes: With Twin-tube Design - Except M-technology |
Warranty Overview
At eEuroparts, we stand behind the quality of the products we sell. Every part we offer is backed by a warranty designed to give you peace of mind and protect your investment.
Standard Warranty – Most Parts
Coverage: 2 years or 24,000 miles (whichever comes first) from purchase date.
Protection: Defects in materials or workmanship under normal personal use.
Eligibility: Applies only to the original purchaser and the vehicle where the part was first installed.
Exclusions:
Wear-and-tear items (brake pads, filters, bulbs, wipers, etc.)
Commercial, fleet, rideshare, off-road, or racing use
Improper installation, misuse, accidents, or modifications
Not Covered: Labor, shipping, towing, or incidental costs.
Bison Performance Warranty – Our House Brand
Coverage: Limited Lifetime Warranty for as long as you own your vehicle.
Applies To: All products sold under the Bison Performance label.
Premium Protection: Goes beyond our standard warranty — if it’s a Bison product, the 2-year/24k mile limit is replaced with lifetime coverage.
Exclusions: Same as the standard warranty (normal wear, commercial use, improper installation, etc.).
What’s Included: Replacement of the defective product (labor and shipping excluded).
Warranty Claim Requirements
To keep claims fast and fair, we require:
Proof of purchase (invoice or order confirmation).
Photos or videos showing the defective part, order number, date, VIN, and odometer reading.
Diagnostic reports or part returns for non-visible issues may be requested.
Claims must be truthful, properly documented, and reflect normal consumer use.
Buy With Confidence: We back our products because we believe in their quality, with a transparent, customer-first warranty process you can trust. And with Bison Performance products, you’ll enjoy Limited Lifetime protection—an assurance few brands can match.
For full details and exclusions, please see our complete Warranty Terms & Conditions.
This summary is for convenience only. For full warranty coverage details, exclusions, and requirements, see our official Warranty Terms & Conditions. In case of conflict, the full policy governs.
Return Policy Overview
Most parts can be returned within 30 days of delivery if unused, uninstalled, and in original packaging.
To start a return, contact customer support via Chat or Contact Us.
Restocking fee: Up to 20% may apply for certain orders (buyer’s remorse, order errors, or special-order items)
Refunds: Issued to your original payment method within 3–5 business days after inspection
Exchanges: Not automatic — please return and reorder
Replacements: May be approved for incorrect or defective items reported within 7 days
Not returnable:
Used or installed parts
Electrical components
Opened filter kits, gaskets, or contaminated items
Final sale or custom orders
Important Notes:
Return shipping is your responsibility unless we made a verified error
Fitment is the customer’s responsibility (we can assist, but do not guarantee)
Country of origin may vary and is not grounds for return
For complete details, please see our full Return Policy.
This Returns summary is provided for convenience only. All returns, refunds, and exchanges are subject to the complete Returns Policy. In the event of any conflict, the full policy governs.
Fast, Reliable Shipping — Straight to Your Door
We ship most orders the same day when placed before 2 PM CST (Monday–Friday). Our main warehouse is just east of Nashville, TN, and we also ship from multiple locations nationwide to get your order to you as quickly as possible.
We use trusted carriers like UPS, FedEx, and USPS.
Tracking info is emailed to you as soon as your order ships.
Delivery estimates at checkout are based on carrier data, but not guaranteed.
Need help with a shipment?
If your order is missing, damaged, or incorrect, just let us know within 5 days of delivery. We’ll walk you through the quick claim process — including a few photos to help us make things right.
For complete details, please see our full Shipping Policy.
This Shipping summary is provided for convenience only. Delivery times, carrier terms, fees, restrictions, risk of loss, and other details are governed by our complete Shipping Policy. In the event of any conflict, the full policy governs.




