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LuK DMF154 - Clutch Flywheel
Product Overview
The LuK Dual-Mass Flywheel (DMF154) is engineered to meet or exceed OEM specifications, providing premium-grade construction and reliability for your BMW. This vital component connects the engine to the transmission, facilitating smooth engagement and disengagement of the clutch. Over time, wear and tear can lead to issues such as slipping or chattering, indicating that it may be time for a replacement. Unlike single mass flywheels, dual-mass flywheels cannot be resurfaced, making the LuK DMF154 an essential replacement part for maintaining optimal clutch performance. Choose LuK DMF154 for dependable performance and peace of mind every time you service your vehicle.
Cross Reference Numbers
This LuK DMF154 is equivalent to or replaces the following part numbers: 21 20 7 638 306, 21207638306, 415 0594 10, 415059410, 415 0594 100, 4150594100.
Vehicle Compatibility
- BMW 320i 2.0L4 (2014–2017)
- BMW 328i 2.0L4 (2014–2016)
- BMW 428i 2.0L4 (2014–2016)
- BMW 228i 2.0L4 (2014–2016)
- BMW Z4 sDrive28i 2.0L4 (2014–2016)
- BMW X1 xDrive28i 2.0L4 (2014)
- BMW X1 sDrive28i 2.0L4 (2014)
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 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.
Frequently Asked Questions
What does the LuK DMF154 Clutch Flywheel do?
The dual-mass flywheel is crucial in your vehicle's clutch system, serving to dampen engine vibrations and provide smooth engagement and disengagement of the clutch. This enhances the overall driving experience and prolongs the life of the clutch system.
How do I know if my Clutch Flywheel needs replacement?
Common symptoms indicating that the flywheel may need replacement include slipping or chattering of the clutch, difficulty in engaging gears, and unusual noises when the clutch is engaged or disengaged.
Can I install the LuK DMF154 myself?
Yes, the LuK DMF154 can be installed as a DIY project, but it is important to have the right tools and follow proper procedures to ensure a successful installation.
What are the symptoms of a faulty Clutch Flywheel?
Symptoms of a faulty flywheel include clutch slipping, difficulty in gear engagement, and abnormal noises during clutch operation. If you see DTCs such as P0700 or other transmission-related codes, it may indicate a failing Clutch Flywheel.
Why should I choose LuK for my Clutch Flywheel needs?
LuK is known for its quality and reliability in the automotive industry. Order LuK DMF154 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
- MPNDMF154
- Part TypeClutch Flywheel
- OE Part Numbers7 638 306, 7638306, 21 20 7 634 767, 21207634767, 7 634 767, 7634767, 7 605 403, 7605403, 21 20 7 605 403, 21207605403, 21 20 7 638 306, 21207638306
- Cross Reference Numbers4150594100
- FeaturesBolt Hole Pattern : 2
Bolt hole PCD clutch pres.plte : 10.236
Bolt hole PCD clutch pres.plte : 260
Bolt hole PCD crankshaft : 2.835
Bolt hole PCD crankshaft : 72
Centering diameter / dowel hole : 10.236
Centering diameter / dowel hole : 260
Crank Hole Dia. : .504
Crank Hole Dia. : 12.8
Crank To Friction Surface : 1.953
Crank To Friction Surface : 49.6
Cup depth, secondary flywheel : -.362
Cup depth, secondary flywheel : -9.2
Dowel Hole Pattern : 5
Dowel hole diameter : .465
Dowel hole diameter : 11.8
Flywheel Friction Surface Inner diameter : 155
Flywheel Friction Surface Inner diameter : 6.102
Flywheel Thickness [mm] : 3.311
Flywheel Thickness [mm] : 84.1
Flywheel friction surface outer diameter : 240
Flywheel friction surface outer diameter : 9.449
Has Dowel Pins : without Dowel Pins
I.D. for Pilot : .591
I.D. for Pilot : 15
Number of teeth, starter ring gear : 115
Overall Casting O.D. : 11.598
Overall Casting O.D. : 294.6
Ring Gear Major Dia. : 11.500
Ring Gear Major Dia. : 292.1
Ring Gear Mounting O.D. : 10.669
Ring Gear Mounting O.D. : 271
Ring Gear Number : L-08180-0GJ5-00
Ring Gear Thickness : .531
Ring Gear Thickness : 13.5
Ring Gear To Friction Surface : 2.504
Ring Gear To Friction Surface : 63.6
Torque Capacity DMFW : 16.772
Torque Capacity DMFW : 426
- Fitment
- Fitment TypeVehicle Specific
| Year | Make | Model | Submodel | Notes |
|---|---|---|---|---|
| 2012 | BMW | 328i | Base (2.0 L4 GAS) | Aspiration: Turbocharged |
| 2012 | BMW | Z4 | sDrive28i (2.0 L4 GAS) | |
| 2013 | BMW | 328i | Base (2.0 L4 GAS) | Aspiration: Turbocharged |
| 2013 | BMW | Z4 | sDrive28i (2.0 L4 GAS) | |
| 2014 | BMW | Z4 | sDrive28i (2.0 L4 GAS) | |
| 2014 | BMW | X1 | xDrive28i (2.0 L4 GAS) | |
| 2014 | BMW | X1 | sDrive28i (2.0 L4 GAS) | |
| 2014 | BMW | 328i xDrive | Base (2.0 L4 GAS) | |
| 2014 | BMW | 328i | Base (2.0 L4 GAS) | Aspiration: Turbocharged |
| 2014 | BMW | 228i | Base (2.0 L4 GAS) | |
| 2014 | BMW | 428i | Base (2.0 L4 GAS) | |
| 2014 | BMW | 320i | Base (2.0 L4 GAS) | Aspiration: Turbocharged |
| 2015 | BMW | Z4 | sDrive28i (2.0 L4 GAS) | |
| 2015 | BMW | 320i | Base (2.0 L4 GAS) | Aspiration: Turbocharged |
| 2015 | BMW | 228i xDrive | Base (2.0 L4 GAS) | |
| 2015 | BMW | 328i | Base (2.0 L4 GAS) | Aspiration: Turbocharged |
| 2015 | BMW | 428i | Base (2.0 L4 GAS) | |
| 2015 | BMW | 228i | Base (2.0 L4 GAS) | |
| 2016 | BMW | 228i | Base (2.0 L4 GAS) | |
| 2016 | BMW | 228i xDrive | Base (2.0 L4 GAS) | |
| 2016 | BMW | Z4 | sDrive28i (2.0 L4 GAS) | |
| 2016 | BMW | 328i | Base (2.0 L4 GAS) | Aspiration: Turbocharged |
| 2016 | BMW | 320i | Base (2.0 L4 GAS) | Aspiration: Turbocharged |
| 2016 | BMW | 428i | Base (2.0 L4 GAS) | |
| 2017 | BMW | 320i | Base (2.0 L4 GAS) | Aspiration: Turbocharged, Notes: B48A20M0 Engine |
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.








