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Genuine BMW 51218204173 - Door Check (Front)
Product Overview
Ensure the safety and functionality of your BMW with the Genuine BMW Door Check (Front) 51218204173. This premium-grade front door brake is designed for either door, providing reliable support and functionality for your vehicle's door mechanism. Each car requires two units, one per side, making this part essential for maintaining the integrity and usability of your BMW doors. Choose Genuine BMW 51218204173 for dependable performance and peace of mind every time you service your vehicle.
Cross Reference Numbers
This Genuine BMW 51218204173 is equivalent to or replaces the following part numbers: 51 21 8 204 173, 51218204173.
Vehicle Compatibility
- BMW 323Ci 2.5 L6 (2000)
- BMW 328Ci 2.8 L6 (2000)
This may also fit other applications. Please use the vehicle selector tool to verify fitment.
Why Shop at eEuroparts.com?
- Proven Expertise: Over 25 years of experience with European vehicles means we know your car inside and out.
- Exclusive Kits That Fit™ - complete repair solutions with no guesswork
- Fitment Confidence: Our accurate cataloging ensures you get the right part the first time.
- Fast, Reliable Shipping: Orders ship quickly from our U.S.-based warehouses.
- Transparent Pricing: Competitive prices with no hidden fees or surprise charges.
- Established Trust: Serving the European auto community since 2000.
Frequently Asked Questions
What does the Genuine BMW 51218204173 Door Check do?
The front door check is a critical component that prevents the door from swinging too far open, protecting both the door and the vehicle body from damage. It ensures smooth operation of the door while maintaining its alignment and function.
How do I know if my Door Check needs replacement?
Common signs that the door check may need replacement include a door that swings open too far, difficulty in closing the door, or visible wear and tear on the door mechanism. If you notice any unusual door movement, it is advisable to inspect this component.
Can I install the Genuine BMW 51218204173 myself?
Yes, the installation of the door check can typically be done as a DIY project. However, ensure that you have the proper tools and follow safety precautions to avoid any damage or injury.
What are the symptoms of a faulty Door Check?
Symptoms of a faulty door check include excessive play in the door, difficulty in keeping the door open, or the door not aligning correctly when closed. If you experience these issues, it may be time to consider replacing the door check.
Why should I choose Genuine BMW for my Door Check needs?
Genuine BMW parts are known for their quality and reliability, ensuring a perfect fit and long-lasting performance. Order Genuine BMW 51218204173 today for a factory-correct replacement that restores safety and performance.
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.
- BrandGenuine BMW
- ManufacturerGenuine BMW
- MPN51218204173
- Part TypeDoor Check
- PositionFront
- OE Part Numbers51 21 8 204 173, 51218204173
- Fitment
- Fitment TypeVehicle Specific
| Year | Make | Model | Submodel | Notes |
|---|---|---|---|---|
| 2000 | BMW | 328Ci | Base (2.8 L6 GAS) | |
| 2000 | BMW | 323Ci | Base (2.5 L6 GAS) |
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.




