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Gates 36728 - Accessory Drive Belt Idler Pulley
Product Overview
The Gates Accessory Drive Belt Idler Pulley part number 36728 is an essential replacement component designed specifically for BMW vehicles. Crafted with precision, this premium-grade pulley guarantees a reliable performance that meets or exceeds OEM standards. With its durable construction, the Gates idler pulley ensures longevity and optimal functionality, making it a superior choice for both DIY enthusiasts and professional technicians alike. This idler pulley plays a critical role in maintaining the proper tension of the accessory drive belt, facilitating smooth and efficient engine performance. By reducing vibration and enhancing power transmission, the Gates Accessory Drive Belt Idler Pulley contributes to improved fuel efficiency and overall vehicle reliability. Choose Gates 36728 for dependable performance and peace of mind every time you service your vehicle.
Cross Reference Numbers
This Gates 36728 is equivalent to or replaces the following part numbers: ACDelco:36728, 11287589361, 11288604267, 11288673720, Dayco:89551, Goodyear:50069, Litens:900680A, NAPA Belts/Hose:36728, Tendeco:900680.
Vehicle Compatibility
- BMW M2 Competition 3.0L6 (2020)
- BMW M2 CS 3.0L6 (2020)
- BMW M4 Base 3.0L6 (2020)
- BMW M4 CS 3.0L6 (2020)
- BMW X6 sDrive35i 3.0L6 (2019)
- BMW X6 xDrive35i 3.0L6 (2019)
- BMW M3 Base 3.0L6 (2018)
- BMW M2 Base 3.0L6 (2018)
- BMW 640i Base 3.0L6 (2018)
- BMW X5 xDrive35i 3.0L6 (2017–2018)
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 Gates 36728 Accessory Drive Belt Idler Pulley do?
The accessory drive belt idler pulley helps maintain the proper tension of the accessory drive belt, ensuring optimal engine performance and efficiency. It plays a vital role in reducing vibration and enhancing power transmission within the engine's accessory drive system.
How do I know if my Accessory Drive Belt Idler Pulley needs replacement?
Common symptoms of a failing idler pulley include unusual noises from the engine, visible wear or damage to the pulley, a slipping accessory belt, and reduced engine performance.
Can I install the Gates 36728 myself?
Yes, the installation of the Gates 36728 Accessory Drive Belt Idler Pulley can be performed as a DIY project. However, ensure you have the proper tools and follow safety precautions when working on your vehicle.
What are the symptoms of a faulty Accessory Drive Belt Idler Pulley?
Symptoms of a failing idler pulley may include loud grinding noises, a loose or slipping accessory belt, and decreased engine performance. If you experience these issues, it may indicate a failing component that requires immediate attention.
Why should I choose Gates for my Accessory Drive Belt Idler Pulley needs?
Gates is known for its quality and reliability in the automotive aftermarket. Order Gates 36728 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.
- BrandGates
- ManufacturerGates
- MPN36728
- Part TypeAccessory Drive Belt Idler Pulley
- OE Part Numbers11288673720, 11287589361, 11288604267
- Cross Reference Numbers36728, 900680A, 231551, 50069, 89551, 900680
- FeaturesBearing Bore Inside Diameter : 10
Contact Surface : Smooth/Backside
Contents : Pulley, Bolt, Spacer
Grade Type : OE Exact
Material : Thermoplastic
Pulley 1 Flanged : No
Pulley 1 Outside Diameter (mm) : 65
Pulley 1 Width (mm) : 32
Pulley Quantity : 1
- Fitment
- Fitment TypeVehicle Specific
| Year | Make | Model | Submodel | Notes |
|---|---|---|---|---|
| 2024 | BMW | M2 | Base (3.0 L6 GAS) | |
| 2024 | BMW | M3 | Base (3.0 L6 GAS) | |
| 2024 | BMW | M3 | Competition (3.0 L6 GAS) | |
| 2024 | BMW | M3 | Competition xDrive (3.0 L6 GAS) | |
| 2024 | BMW | M3 | CS (3.0 L6 GAS) | |
| 2024 | BMW | M4 | Base (3.0 L6 GAS) | |
| 2024 | BMW | M4 | Competition (3.0 L6 GAS) | |
| 2024 | BMW | M4 | Competition xDrive (3.0 L6 GAS) | |
| 2024 | BMW | X4 | M (3.0 L6 GAS) | |
| 2023 | BMW | M2 | Base (3.0 L6 GAS) | |
| 2023 | BMW | M3 | Base (3.0 L6 GAS) | |
| 2023 | BMW | M3 | Competition (3.0 L6 GAS) | |
| 2023 | BMW | M3 | Competition xDrive (3.0 L6 GAS) | |
| 2023 | BMW | M4 | Base (3.0 L6 GAS) | |
| 2023 | BMW | M4 | Competition (3.0 L6 GAS) | |
| 2023 | BMW | M4 | Competition xDrive (3.0 L6 GAS) | |
| 2023 | BMW | M4 | CSL (3.0 L6 GAS) | |
| 2023 | BMW | X4 | M (3.0 L6 GAS) | |
| 2022 | BMW | M3 | Base (3.0 L6 GAS) | |
| 2022 | BMW | M3 | Competition (3.0 L6 GAS) | |
| 2022 | BMW | M3 | Competition xDrive (3.0 L6 GAS) | |
| 2022 | BMW | M4 | Base (3.0 L6 GAS) | |
| 2022 | BMW | M4 | Competition (3.0 L6 GAS) | |
| 2022 | BMW | M4 | Competition xDrive (3.0 L6 GAS) | |
| 2022 | BMW | X4 | M (3.0 L6 GAS) | |
| 2022 | BMW | X4 | M Competition (3.0 L6 GAS) | |
| 2021 | BMW | M2 | Competition (3.0 L6 GAS) | |
| 2021 | BMW | M3 | Base (3.0 L6 GAS) | |
| 2021 | BMW | M3 | Competition (3.0 L6 GAS) | |
| 2021 | BMW | M4 | Base (3.0 L6 GAS) | |
| 2021 | BMW | M4 | Competition (3.0 L6 GAS) | |
| 2021 | BMW | M4 | Competition xDrive (3.0 L6 GAS) | |
| 2021 | BMW | X4 | M (3.0 L6 GAS) | |
| 2021 | BMW | X4 | M Competition (3.0 L6 GAS) | |
| 2021 | BMW | X4 | M40i (3.0 L6 GAS) | |
| 2020 | BMW | M2 | Competition (3.0 L6 GAS) | |
| 2020 | BMW | M2 | CS (3.0 L6 GAS) | |
| 2020 | BMW | M4 | Base (3.0 L6 GAS) | Position: Accessory Drive (Upper) |
| 2020 | BMW | M4 | CS (3.0 L6 GAS) | Position: Accessory Drive (Upper) |
| 2019 | BMW | M2 | Competition (3.0 L6 GAS) | |
| 2019 | BMW | M4 | Base (3.0 L6 GAS) | Position: Accessory Drive (Lower) |
| 2019 | BMW | M4 | CS (3.0 L6 GAS) | Position: Accessory Drive (Lower) |
| 2019 | BMW | X6 | sDrive35i (3.0 L6 GAS) | Position: Upper |
| 2019 | BMW | X6 | xDrive35i (3.0 L6 GAS) | Position: Upper |
| 2018 | BMW | 640i | Base (3.0 L6 GAS) | Position: Upper |
| 2018 | BMW | 640i Gran Coupe | Base (3.0 L6 GAS) | Position: Upper |
| 2018 | BMW | 640i xDrive | Base (3.0 L6 GAS) | Position: Upper |
| 2018 | BMW | 640i xDrive Gran Coupe | Base (3.0 L6 GAS) | Position: Upper |
| 2018 | BMW | 640i xDrive Gran Turismo | Base (3.0 L6 GAS) | Position: Upper |
| 2018 | BMW | M2 | Base (3.0 L6 GAS) | |
| 2018 | BMW | M3 | Base (3.0 L6 GAS) | Position: Upper |
| 2018 | BMW | M4 | Base (3.0 L6 GAS) | Position: Upper |
| 2018 | BMW | X4 | M40i (3.0 L6 GAS) | |
| 2018 | BMW | X5 | sDrive35i (3.0 L6 GAS) | |
| 2018 | BMW | X5 | xDrive35i (3.0 L6 GAS) | |
| 2018 | BMW | X6 | sDrive35i (3.0 L6 GAS) | Position: Upper, Notes: W/Active Suspension |
| 2018 | BMW | X6 | xDrive35i (3.0 L6 GAS) | Position: Upper, Notes: W/Active Suspension |
| 2017 | BMW | 535i GT | Base (3.0 L6 GAS) | Position: Upper |
| 2017 | BMW | 535i GT xDrive | Base (3.0 L6 GAS) | Position: Upper |
| 2017 | BMW | 640i | Base (3.0 L6 GAS) | Position: Upper |
| 2017 | BMW | 640i Gran Coupe | Base (3.0 L6 GAS) | Position: Upper |
| 2017 | BMW | 640i xDrive | Base (3.0 L6 GAS) | Position: Upper |
| 2017 | BMW | 640i xDrive Gran Coupe | Base (3.0 L6 GAS) | Position: Upper |
| 2017 | BMW | M2 | Base (3.0 L6 GAS) | |
| 2017 | BMW | M3 | Base (3.0 L6 GAS) | Position: Upper |
| 2017 | BMW | M4 | Base (3.0 L6 GAS) | Position: Upper |
| 2017 | BMW | X3 | xDrive35i (3.0 L6 GAS) | |
| 2017 | BMW | X4 | M40i (3.0 L6 GAS) | |
| 2017 | BMW | X5 | sDrive35i (3.0 L6 GAS) | |
| 2017 | BMW | X5 | xDrive35i (3.0 L6 GAS) | |
| 2017 | BMW | X6 | sDrive35i (3.0 L6 GAS) | Position: Upper, Notes: W/Active Suspension |
| 2017 | BMW | X6 | xDrive35i (3.0 L6 GAS) | Position: Upper, Notes: W/Active Suspension |
| 2016 | BMW | 335i GT xDrive | Base (3.0 L6 GAS) | |
| 2016 | BMW | 435i | Base (3.0 L6 GAS) | |
| 2016 | BMW | 435i Gran Coupe | Base (3.0 L6 GAS) | |
| 2016 | BMW | 435i xDrive | Base (3.0 L6 GAS) | |
| 2016 | BMW | 435i xDrive Gran Coupe | Base (3.0 L6 GAS) | |
| 2016 | BMW | 535i | Base (3.0 L6 GAS) | Position: Upper |
| 2016 | BMW | 535i GT | Base (3.0 L6 GAS) | Position: Upper |
| 2016 | BMW | 535i GT xDrive | Base (3.0 L6 GAS) | Position: Upper |
| 2016 | BMW | 535i xDrive | Base (3.0 L6 GAS) | Position: Upper |
| 2016 | BMW | 640i | Base (3.0 L6 GAS) | Position: Upper |
| 2016 | BMW | 640i Gran Coupe | Base (3.0 L6 GAS) | Position: Upper |
| 2016 | BMW | 640i xDrive | Base (3.0 L6 GAS) | Position: Upper |
| 2016 | BMW | 640i xDrive Gran Coupe | Base (3.0 L6 GAS) | Position: Upper |
| 2016 | BMW | M235i | Base (3.0 L6 GAS) | |
| 2016 | BMW | M235i xDrive | Base (3.0 L6 GAS) | |
| 2016 | BMW | M3 | Base (3.0 L6 GAS) | Position: Upper |
| 2016 | BMW | M4 | Base (3.0 L6 GAS) | Position: Upper |
| 2016 | BMW | M4 | GTS (3.0 L6 GAS) | Position: Upper |
| 2016 | BMW | X3 | xDrive35i (3.0 L6 GAS) | |
| 2016 | BMW | X4 | M40i (3.0 L6 GAS) | |
| 2016 | BMW | X4 | xDrive35i (3.0 L6 GAS) | |
| 2016 | BMW | X5 | sDrive35i (3.0 L6 GAS) | Position: Upper |
| 2016 | BMW | X5 | xDrive35i (3.0 L6 GAS) | Position: Upper |
| 2016 | BMW | X6 | sDrive35i (3.0 L6 GAS) | Position: Upper, Notes: W/Active Suspension |
| 2016 | BMW | X6 | xDrive35i (3.0 L6 GAS) | Position: Upper, Notes: W/Active Suspension |
| 2015 | BMW | 335i | Base (3.0 L6 GAS) | |
| 2015 | BMW | 335i GT xDrive | Base (3.0 L6 GAS) | |
| 2015 | BMW | 335i xDrive | Base (3.0 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.






