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          Genuine BMW 31336871812 - Suspension Strut Bellows (Front)

          MPN: 31336871812
          The Genuine BMW 31336871812 Suspension Strut Bellows safeguards your suspension strut from contaminants, enhancing stability and handling for a smoother ride.
          0.0
          Vehicle Specific
          Check if this part fits your vehicle.
          • $16.73
          In stock

          Product Overview

          The Genuine BMW Suspension Strut Bellows part number 31336871812 is an essential component designed to protect your BMW's suspension system. This high-quality part effectively shields your suspension strut from dirt, dust, and debris, helping to ensure optimal performance and longevity for your vehicle. Engineered to OEM standards, this product offers a perfect fit and seamless installation, making it an ideal choice for DIY enthusiasts and professional technicians alike. Choose Genuine BMW 31336871812 for dependable performance and peace of mind every time you service your vehicle.

          Cross Reference Numbers

          This Genuine BMW 31336871812 is equivalent to or replaces the following part numbers: 31336871812.

          Vehicle Compatibility

          • BMW M440i xDrive 3.0 L6 (2021–2023)
          • BMW M4 3.0 L6 (2021–2023)
          • BMW M3 3.0 L6 (2021–2023)
          • BMW 330e xDrive 2.0 L4 (2021–2023)
          • BMW 330i 2.0 L4 (2021–2023)
          • BMW M340i 3.0 L6 (2021–2023)
          • BMW X3 2.0 L4 / 3.0 L6 (2021–2023)
          • BMW X4 2.0 L4 / 3.0 L6 (2021–2023)

          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.
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          • 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 31336871812 Suspension Strut Bellows do?

          The Genuine BMW Suspension Strut Bellows is designed to protect the suspension strut from dirt, dust, and other debris, ensuring proper functionality and longevity of the suspension system. It plays a crucial role in maintaining the stability and handling of your vehicle.

          How do I know if my Suspension Strut Bellows needs replacement?

          Key signs that the Suspension Strut Bellows may need replacement include visible cracks or tears in the bellows, reduced handling performance, excessive noise from the suspension, or signs of moisture or dirt around the suspension strut.

          Can I install the Genuine BMW 31336871812 myself?

          Yes, the installation of the Genuine BMW Suspension Strut Bellows is feasible for DIY enthusiasts. However, ensure you follow proper guidelines and safety precautions to avoid any complications during the process.

          What are the symptoms of a faulty Suspension Strut Bellows?

          Symptoms of a faulty Suspension Strut Bellows include reduced suspension performance, visible tears or damage, and increased noise during driving, particularly over bumps. Keeping an eye on these signs will help maintain your vehicle's drivability.

          Why should I choose Genuine BMW for my Suspension Strut Bellows needs?

          Genuine BMW parts, like the 31336871812 Suspension Strut Bellows, are designed to meet rigorous OEM specifications, ensuring the best fit and performance. Order Genuine BMW 31336871812 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.

            • eEuroparts SKU
              2008634
            • Weight
              0.25 lbs
            • Dimensions (L x W x H)
              9.5209 x 2.8576 x 4.8048 in
            • Manufacturer Part #
              31336871812
          • Brand
            Genuine BMW
          • Manufacturer
            Genuine BMW
          • MPN
            31336871812
          • Part Type
            Suspension Strut Bellows
          • Position
            Front
          • Fitment
            • Fitment Type
              Vehicle Specific
          YearMakeModelSubmodelNotes
          2018BMWX3M40i (3.0 L6 GAS)Notes: W/AWD W/ELECTRONIC DAMPER CONTROL
          2018BMWX3xDrive30i (2.0 L4 GAS)Notes: W/AWD W/ELECTRONIC DAMPER CONTROL, Notes: W/AWD W/O ELECTRONIC DAMPER CONTROL W/O XDRIVE 30EX
          2019BMWX4xDrive30i (2.0 L4 GAS)Notes: W/ELECTRONIC DAMPER CONTROL, xDrive30i, M40i, Notes: W/O ELECTRONIC DAMPER CONTROL
          2019BMWX4M40i (3.0 L6 GAS)Notes: W/O ELECTRONIC DAMPER CONTROL, Notes: W/ELECTRONIC DAMPER CONTROL, xDrive30i, M40i
          2019BMWX3M40i (3.0 L6 GAS)Notes: W/AWD W/ELECTRONIC DAMPER CONTROL, Notes: W/O AWD W/ELECTRONIC DAMPER CONTROL
          2019BMWX3sDrive30i (2.0 L4 GAS)Notes: W/AWD W/ELECTRONIC DAMPER CONTROL, Notes: W/O AWD W/ELECTRONIC DAMPER CONTROL
          2019BMWX3xDrive30i (2.0 L4 GAS)Notes: W/AWD W/ELECTRONIC DAMPER CONTROL, Notes: W/O AWD W/ELECTRONIC DAMPER CONTROL, Notes: W/AWD W/O ELECTRONIC DAMPER CONTROL W/O XDRIVE 30EX
          2019BMW330i xDriveBase (2.0 L4 GAS)Notes: AWD W/ADAPTIVE M SUSPENSION W/O M3
          2019BMW330iBase (2.0 L4 GAS)Notes: RWD W/ADAPTIVE M SUSPENSION W/O M3
          2020BMWX3M (3.0 L6 GAS)Notes: W/O AWD W/ELECTRONIC DAMPER CONTROL, Notes: W/AWD W/ELECTRONIC DAMPER CONTROL, Notes: W/AWD W/O ELECTRONIC DAMPER CONTROL W/O XDRIVE 30EX
          2020BMWX3M Competition (3.0 L6 GAS)Notes: W/O AWD W/ELECTRONIC DAMPER CONTROL, Notes: W/AWD W/O ELECTRONIC DAMPER CONTROL W/O XDRIVE 30EX, Notes: W/AWD W/ELECTRONIC DAMPER CONTROL
          2020BMWX3M40i (3.0 L6 GAS)Notes: W/O AWD W/ELECTRONIC DAMPER CONTROL, Notes: W/AWD W/ELECTRONIC DAMPER CONTROL
          2020BMWX3sDrive30i (2.0 L4 GAS)Notes: W/O AWD W/ELECTRONIC DAMPER CONTROL, Notes: W/AWD W/ELECTRONIC DAMPER CONTROL
          2020BMWX3xDrive30e (2.0 L4 PHEV)Notes: W/O AWD W/ELECTRONIC DAMPER CONTROL, Notes: W/AWD W/ELECTRONIC DAMPER CONTROL, Notes: W/AWD W/O ELECTRONIC DAMPER CONTROL W/XDRIVE 30EX
          2020BMWX3xDrive30i (2.0 L4 GAS)Notes: W/O AWD W/ELECTRONIC DAMPER CONTROL, Notes: W/AWD W/O ELECTRONIC DAMPER CONTROL W/O XDRIVE 30EX, Notes: W/AWD W/ELECTRONIC DAMPER CONTROL
          2020BMWX4xDrive30i (2.0 L4 GAS)Notes: W/ELECTRONIC DAMPER CONTROL, xDrive30i, M40i, Notes: W/O ELECTRONIC DAMPER CONTROL
          2020BMWX4M40i (3.0 L6 GAS)Notes: W/ELECTRONIC DAMPER CONTROL, xDrive30i, M40i, Notes: W/O ELECTRONIC DAMPER CONTROL
          2020BMWX4M (3.0 L6 GAS)Notes: W/O ELECTRONIC DAMPER CONTROL
          2020BMWX4M Competition (3.0 L6 GAS)Notes: W/O ELECTRONIC DAMPER CONTROL
          2020BMW330i xDriveBase (2.0 L4 GAS)Notes: AWD W/ADAPTIVE M SUSPENSION W/O M3
          2020BMW330iBase (2.0 L4 GAS)Notes: RWD W/ADAPTIVE M SUSPENSION W/O M3
          2020BMWM340i xDriveBase (3.0 L6 GAS)Notes: AWD W/ADAPTIVE M SUSPENSION W/O M3
          2020BMWM340iBase (3.0 L6 GAS)Notes: RWD W/ADAPTIVE M SUSPENSION W/O M3
          2021BMWM340i xDriveBase (3.0 L6 GAS)Notes: AWD W/ADAPTIVE M SUSPENSION W/O M3
          2021BMW330e xDriveBase (2.0 L4 PHEV)Notes: AWD W/ADAPTIVE M SUSPENSION W/O M3
          2021BMWM4Base (3.0 L6 GAS)Notes: RWD W/ADAPTIVE M SUSPENSION
          2021BMWM4Competition (3.0 L6 GAS)Notes: RWD W/ADAPTIVE M SUSPENSION
          2021BMWM4Competition xDrive (3.0 L6 GAS)Notes: AWD W/ADAPTIVE M SUSPENSION
          2021BMWM440iBase (3.0 L6 MHEV)Notes: RWD W/ADAPTIVE M SUSPENSION
          2021BMWM340iBase (3.0 L6 GAS)Notes: RWD W/ADAPTIVE M SUSPENSION W/O M3
          2021BMWX3M (3.0 L6 GAS)Notes: W/O AWD W/ELECTRONIC DAMPER CONTROL, Notes: W/AWD W/ELECTRONIC DAMPER CONTROL, Notes: W/AWD W/O ELECTRONIC DAMPER CONTROL W/O XDRIVE 30EX
          2021BMWX3M Competition (3.0 L6 GAS)Notes: W/O AWD W/ELECTRONIC DAMPER CONTROL, Notes: W/AWD W/O ELECTRONIC DAMPER CONTROL W/O XDRIVE 30EX, Notes: W/AWD W/ELECTRONIC DAMPER CONTROL
          2021BMWX3M40i (3.0 L6 GAS)Notes: W/O AWD W/ELECTRONIC DAMPER CONTROL, Notes: W/AWD W/ELECTRONIC DAMPER CONTROL
          2021BMWX3sDrive30i (2.0 L4 GAS)Notes: W/O AWD W/ELECTRONIC DAMPER CONTROL, Notes: W/AWD W/ELECTRONIC DAMPER CONTROL
          2021BMWX3xDrive30e (2.0 L4 PHEV)Notes: W/O AWD W/ELECTRONIC DAMPER CONTROL, Notes: W/AWD W/ELECTRONIC DAMPER CONTROL, Notes: W/AWD W/O ELECTRONIC DAMPER CONTROL W/XDRIVE 30EX
          2021BMWX3xDrive30i (2.0 L4 GAS)Notes: W/O AWD W/ELECTRONIC DAMPER CONTROL, Notes: W/AWD W/O ELECTRONIC DAMPER CONTROL W/O XDRIVE 30EX, Notes: W/AWD W/ELECTRONIC DAMPER CONTROL
          2021BMW330eBase (2.0 L4 PHEV)Notes: RWD W/ADAPTIVE M SUSPENSION W/O M3
          2021BMW330i xDriveBase (2.0 L4 GAS)Notes: AWD W/ADAPTIVE M SUSPENSION W/O M3
          2021BMW330iBase (2.0 L4 GAS)Notes: RWD W/ADAPTIVE M SUSPENSION W/O M3
          2021BMWM3Competition (3.0 L6 GAS)Notes: RWD W/O ADAPTIVE M SUSPENSION
          2021BMWM3Base (3.0 L6 GAS)Notes: RWD W/O ADAPTIVE M SUSPENSION
          2021BMW430iBase (2.0 L4 GAS)Notes: RWD W/ADAPTIVE M SUSPENSION
          2021BMWX4M40i (3.0 L6 GAS)Notes: W/ELECTRONIC DAMPER CONTROL, xDrive30i, M40i, Notes: W/O ELECTRONIC DAMPER CONTROL
          2021BMWX4M (3.0 L6 GAS)Notes: W/O ELECTRONIC DAMPER CONTROL
          2021BMWX4M Competition (3.0 L6 GAS)Notes: W/O ELECTRONIC DAMPER CONTROL
          2021BMWX4xDrive30i (2.0 L4 GAS)Notes: W/O ELECTRONIC DAMPER CONTROL, Notes: W/ELECTRONIC DAMPER CONTROL, xDrive30i, M40i
          2021BMW430i xDriveBase (2.0 L4 GAS)Notes: AWD W/ADAPTIVE M SUSPENSION
          2021BMWM440i xDriveBase (3.0 L6 MHEV)Notes: AWD W/ADAPTIVE M SUSPENSION
          2022BMW330e xDriveBase (2.0 L4 PHEV)Notes: AWD W/ADAPTIVE M SUSPENSION W/O M3
          2022BMW330eBase (2.0 L4 PHEV)Notes: RWD W/ADAPTIVE M SUSPENSION W/O M3
          2022BMWM340iBase (3.0 L6 GAS)Notes: RWD W/ADAPTIVE M SUSPENSION W/O M3
          2022BMWM340i xDriveBase (3.0 L6 GAS)Notes: AWD W/ADAPTIVE M SUSPENSION W/O M3
          2022BMWM440iBase (3.0 L6 MHEV)Notes: RWD W/ADAPTIVE M SUSPENSION
          2022BMWM240i xDriveBase (3.0 L6 GAS)Notes: W/XDRIVE M240I
          2022BMW330i xDriveBase (2.0 L4 GAS)Notes: AWD W/ADAPTIVE M SUSPENSION W/O M3
          2022BMW430i xDriveBase (2.0 L4 GAS)Notes: AWD W/ADAPTIVE M SUSPENSION
          2022BMWM440i xDriveBase (3.0 L6 MHEV)Notes: AWD W/ADAPTIVE M SUSPENSION
          2022BMWM4Base (3.0 L6 GAS)Notes: RWD W/ADAPTIVE M SUSPENSION
          2022BMWM4Competition xDrive (3.0 L6 GAS)Notes: AWD W/ADAPTIVE M SUSPENSION
          2022BMWM4Competition (3.0 L6 GAS)Notes: RWD W/ADAPTIVE M SUSPENSION
          2022BMWM3Competition (3.0 L6 GAS)Notes: RWD W/O ADAPTIVE M SUSPENSION
          2022BMWM3Base (3.0 L6 GAS)Notes: RWD W/O ADAPTIVE M SUSPENSION
          2022BMWX4xDrive30i (2.0 L4 GAS)Notes: W/ELECTRONIC DAMPER CONTROL, xDrive30i, M40i, Notes: W/O ELECTRONIC DAMPER CONTROL
          2022BMWX4M40i (3.0 L6 MHEV)Notes: W/ELECTRONIC DAMPER CONTROL, xDrive30i, M40i, Notes: W/O ELECTRONIC DAMPER CONTROL
          2022BMWX4M (3.0 L6 GAS)Notes: W/O ELECTRONIC DAMPER CONTROL
          2022BMWX4M Competition (3.0 L6 GAS)Notes: W/O ELECTRONIC DAMPER CONTROL
          2022BMWX3M (3.0 L6 GAS)Notes: W/AWD W/O ELECTRONIC DAMPER CONTROL W/O XDRIVE 30EX, Notes: W/AWD W/ELECTRONIC DAMPER CONTROL, Notes: W/O AWD W/ELECTRONIC DAMPER CONTROL
          2022BMWX3M Competition (3.0 L6 GAS)Notes: W/AWD W/ELECTRONIC DAMPER CONTROL, Notes: W/O AWD W/ELECTRONIC DAMPER CONTROL, Notes: W/AWD W/O ELECTRONIC DAMPER CONTROL W/O XDRIVE 30EX
          2022BMWX3M40i (3.0 L6 MHEV)Notes: W/AWD W/ELECTRONIC DAMPER CONTROL, Notes: W/O AWD W/ELECTRONIC DAMPER CONTROL
          2022BMWX3sDrive30i (2.0 L4 GAS)Notes: W/AWD W/ELECTRONIC DAMPER CONTROL, Notes: W/O AWD W/ELECTRONIC DAMPER CONTROL
          2022BMWX3xDrive30i (2.0 L4 GAS)Notes: W/AWD W/ELECTRONIC DAMPER CONTROL, Notes: W/O AWD W/ELECTRONIC DAMPER CONTROL, Notes: W/AWD W/O ELECTRONIC DAMPER CONTROL W/O XDRIVE 30EX
          2022BMW330iBase (2.0 L4 GAS)Notes: RWD W/ADAPTIVE M SUSPENSION W/O M3
          2022BMW430iBase (2.0 L4 GAS)Notes: RWD W/ADAPTIVE M SUSPENSION
          2022BMW230iBase (2.0 L4 GAS)Notes: W/O XDRIVE 230I
          2023BMWM340iBase (3.0 L6 GAS)Notes: RWD W/ADAPTIVE M SUSPENSION W/O M3
          2023BMW330i xDriveBase (2.0 L4 GAS)Notes: AWD W/ADAPTIVE M SUSPENSION W/O M3
          2023BMWX3xDrive30i (2.0 L4 GAS)Notes: W/AWD W/O ELECTRONIC DAMPER CONTROL W/O XDRIVE 30EX, Notes: W/O AWD W/ELECTRONIC DAMPER CONTROL, Notes: W/AWD W/ELECTRONIC DAMPER CONTROL
          2023BMWX3M (3.0 L6 GAS)Notes: W/O AWD W/ELECTRONIC DAMPER CONTROL, Notes: W/AWD W/ELECTRONIC DAMPER CONTROL
          2023BMWX3M40i (3.0 L6 GAS)Notes: W/O AWD W/ELECTRONIC DAMPER CONTROL, Notes: W/AWD W/ELECTRONIC DAMPER CONTROL
          2023BMWX3sDrive30i (2.0 L4 GAS)Notes: W/O AWD W/ELECTRONIC DAMPER CONTROL, Notes: W/AWD W/ELECTRONIC DAMPER CONTROL
          2023BMWM440iBase (3.0 L6 MHEV)Notes: RWD W/ADAPTIVE M SUSPENSION
          2023BMW330e xDriveBase (2.0 L4 PHEV)Notes: AWD W/ADAPTIVE M SUSPENSION W/O M3
          2023BMW330eBase (2.0 L4 PHEV)Notes: RWD W/ADAPTIVE M SUSPENSION W/O M3
          2023BMWM440i xDriveBase (3.0 L6 MHEV)Notes: AWD W/ADAPTIVE M SUSPENSION
          2023BMWM3Competition (3.0 L6 GAS)Notes: RWD W/O ADAPTIVE M SUSPENSION
          2023BMWM3Competition xDrive (3.0 L6 GAS)Notes: AWD W/ADAPTIVE M SUSPENSION W/M3, Protect tube
          2023BMWM3Base (3.0 L6 GAS)Notes: RWD W/O ADAPTIVE M SUSPENSION
          2023BMWM4Base (3.0 L6 GAS)Notes: RWD W/ADAPTIVE M SUSPENSION
          2023BMWM4Competition xDrive (3.0 L6 GAS)Notes: AWD W/ADAPTIVE M SUSPENSION
          2023BMWM4Competition (3.0 L6 GAS)Notes: RWD W/ADAPTIVE M SUSPENSION
          2023BMWM340i xDriveBase (3.0 L6 GAS)Notes: AWD W/ADAPTIVE M SUSPENSION W/O M3
          2023BMW330iBase (2.0 L4 GAS)Notes: RWD W/ADAPTIVE M SUSPENSION W/O M3
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          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.

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