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LuK DMF020 - Clutch Flywheel
Product Overview
The LuK Clutch Flywheel DMF020 is a premium-quality replacement part designed specifically for BMW vehicles. Engineered to OEM standards, this dual-mass flywheel plays a crucial role in your car's clutch system by providing a smooth interaction between the engine and transmission. This component is vital for optimal clutch engagement and performance, ensuring a seamless driving experience. Choose LuK DMF020 for dependable performance and peace of mind every time you service your vehicle.
Cross Reference Numbers
This LuK DMF020 is equivalent to or replaces the following part numbers: 21 20 1 223 581, 21201223581, 415 0086 10, 415008610, 415 0086 100, 4150086100.
Vehicle Compatibility
- BMW 540i 4.4 V8 (1997–2003)
- Proven Expertise: Over 25 years of experience with European vehicles means we know your car inside and out.
- Exclusive Kits That Fitâ„¢ - 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.
This may also fits other applications. Please use the vehicle selector tool to verify fitment.
Why Shop at eEuroparts.com?
Frequently Asked Questions
What does the LuK DMF020 Clutch Flywheel do?
The flywheel connects the engine to the transmission in your vehicle's clutch system. It plays a key role in engaging the clutch plate, allowing for smooth gear shifts and overall vehicle operation. The dual-mass design is specifically engineered to absorb vibrations, enhancing driving comfort and performance.
How do I know if my Clutch Flywheel needs replacement?
Common signs that your flywheel may need replacement include clutch slippage during acceleration, unusual noises such as chattering or grinding, and difficulty engaging gears. If you notice any of these symptoms, it may be time to inspect or replace the flywheel.
Can I install the LuK DMF020 myself?
This part can be installed by DIY enthusiasts with proper automotive knowledge. Ensure to follow manufacturer guidelines and safety precautions during installation.
What are the symptoms of a faulty Clutch Flywheel?
Symptoms of a faulty flywheel include clutch slippage, chattering noises, and difficulty shifting gears. If you experience these issues, it may indicate a failing LuK DMF020.
Why should I choose LuK for my Clutch Flywheel needs?
LuK is a trusted name in clutch technology, ensuring high-quality replacements that meet OEM specifications. Order LuK DMF020 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.
- BrandLuK
- ManufacturerLuK
- MPNDMF020
- Part TypeClutch Flywheel
- OE Part Numbers1 223 581, 1223581, 21 20 1 223 581, 21201223581
- Cross Reference Numbers167138, 4150086100, DMF91138
- FeaturesBolt Hole Pattern : 2
Bolt hole PCD clutch pres.plte : 10.236
Bolt hole PCD clutch pres.plte : 260
Bolt hole PCD crankshaft : 3.189
Bolt hole PCD crankshaft : 81
Centering diameter / dowel hole : 10.236
Centering diameter / dowel hole : 260
Crank Hole Dia. : .504
Crank Hole Dia. : 12.8
Crank To Friction Surface : 1.614
Crank To Friction Surface : 41
Cup depth, secondary flywheel : -.362
Cup depth, secondary flywheel : -9.2
Dowel Hole Pattern : 5
Dowel hole diameter : .394
Dowel hole diameter : 10
Flywheel Friction Surface Inner diameter : 153
Flywheel Friction Surface Inner diameter : 6.024
Flywheel Thickness [mm] : 1.228
Flywheel Thickness [mm] : 31.2
Flywheel friction surface outer diameter : 244.6
Flywheel friction surface outer diameter : 9.630
I.D. for Pilot : 1.654
I.D. for Pilot : 42
Number of teeth, starter ring gear : 130
Overall Casting O.D. : 12.811
Overall Casting O.D. : 325.4
Ring Gear Major Dia. : 13.000
Ring Gear Major Dia. : 330.2
Ring Gear Mounting O.D. : 10.236
Ring Gear Mounting O.D. : 260
Ring Gear Number : L-09180-0016-00
Ring Gear Thickness : 1.280
Ring Gear Thickness : 32.5
Ring Gear To Friction Surface : 1.488
Ring Gear To Friction Surface : 37.8
Torque Capacity DMFW : 16.811
Torque Capacity DMFW : 427
- Fitment
- Fitment TypeVehicle Specific
| Year | Make | Model | Submodel | Notes |
|---|---|---|---|---|
| 1997 | BMW | 540i | Base (4.4 V8 GAS) | Notes: From 06/01/1996 |
| 1998 | BMW | 540i | Base (4.4 V8 GAS) | |
| 2000 | BMW | 540i | Base (4.4 V8 GAS) | |
| 1999 | BMW | 540i | Base (4.4 V8 GAS) | |
| 2001 | BMW | 540i | Base (4.4 V8 GAS) | |
| 2002 | BMW | 540i | Base (4.4 V8 GAS) | |
| 2003 | BMW | 540i | Base (4.4 V8 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.








