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LuK LMC485 - Clutch Master Cylinder
Product Overview
The LuK Clutch Master Cylinder part number LMC485 is an essential component for BMW owners aiming to maintain optimal performance in their vehicles. Designed with precision and reliability in mind, this clutch master cylinder is engineered to meet or exceed OEM specifications, ensuring that it provides the same exceptional performance as the original part. Constructed from high-quality materials, the LMC485 is built to withstand the rigors of daily driving while offering a long-lasting service life. Its compact design makes for easy installation, while its precise engineering guarantees consistent and reliable clutch engagement, which is crucial for high-performance vehicles where accurate control of the clutch is paramount. Choose LuK LMC485 for dependable performance and peace of mind every time you service your vehicle.
Cross Reference Numbers
This LuK LMC485 is equivalent to or replaces the following part numbers: 4R3Z 7A543 AA, 9R3Z 7A543 A, 511 0573 10, 511 0573 100.
Vehicle Compatibility
- BMW Z4 3.0i (2003)
- BMW Z4 2.5i (2003)
- BMW Z3 Roadster 2.5 (2000–2002)
- BMW 318ti Base 1.9L (1998–1999)
- BMW 328i Base 2.8L (1998–1999)
- BMW 328is Base 2.8L (1998–1999)
- BMW M3 Base 3.2L (1999)
- BMW Z3 Roadster 1.9L (1997–1998)
- BMW Z3 M Roadster 3.2L (1998)
- BMW 325i Base 2.5L (1994–1995)
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 LMC485 Clutch Master Cylinder do?
The clutch master cylinder is a vital component of the clutch hydraulic system, responsible for transferring force from the clutch pedal to the clutch release mechanism. A properly functioning clutch master cylinder ensures smooth clutch engagement and disengagement, which is essential for optimal vehicle performance.
How do I know if my Clutch Master Cylinder needs replacement?
Key symptoms that may indicate a failing clutch master cylinder include: difficulty shifting gears, clutch slipping or poor engagement, inconsistent pedal feel, and fluid leaks around the clutch pedal area.
Can I install the LuK LMC485 myself?
Yes, the LuK LMC485 Clutch Master Cylinder can be installed by DIY enthusiasts. However, it is important to follow proper installation procedures and safety precautions to ensure optimal performance.
What are the symptoms of a faulty Clutch Master Cylinder?
Common symptoms include difficulty shifting gears, clutch slipping, poor engagement, and inconsistent pedal feel. If you see DTCs such as P0810 (Clutch Position Sensor Circuit) or P0868 (Transmission Fluid Pressure Sensor Circuit), it may indicate a failing Clutch Master Cylinder.
Why should I choose LuK for my Clutch Master Cylinder needs?
LuK is synonymous with quality and reliability in the automotive industry. Order LuK LMC485 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
- MPNLMC485
- Part TypeClutch Master Cylinder
- OE Part Numbers4R3Z-7A543-AA, 4R3Z7A543AA, 9R3Z 7A54 3A, 9R3Z7A543A
- Cross Reference NumbersKG190062.0.25, KG190062025, SH5310, M0728, 5110573770, SH5478
- Fitment
- Fitment TypeVehicle Specific
| Year | Make | Model | Submodel | Notes |
|---|---|---|---|---|
| 1998 | BMW | 318i | Base (1.9 L4 GAS) | |
| 1998 | BMW | 328is | Base (2.8 L6 GAS) | |
| 1998 | BMW | 318ti | Base (1.9 L4 GAS) | |
| 1998 | BMW | 328i | Base (2.8 L6 GAS) | |
| 1998 | BMW | Z3 | M Roadster (3.2 L6 GAS) | |
| 1998 | BMW | Z3 | Roadster (2.8 L6 GAS) | |
| 1998 | BMW | Z3 | Roadster (1.9 L4 GAS) | |
| 1999 | BMW | 328is | Base (2.8 L6 GAS) | |
| 1999 | BMW | 318ti | Base (1.9 L4 GAS) | |
| 1999 | BMW | 328i | Base (2.8 L6 GAS) | |
| 1999 | BMW | Z3 | Roadster (2.5 L6 GAS) | |
| 1999 | BMW | M3 | Base (3.2 L6 GAS) | |
| 1995 | BMW | 325i | Base (2.5 L6 GAS) | |
| 1997 | BMW | Z3 | Roadster (2.8 L6 GAS) | Notes: From 06/01/1997 |
| 1997 | BMW | Z3 | Roadster (1.9 L4 GAS) | Notes: From 06/01/1997 |
| 1997 | BMW | 328i | Base (2.8 L6 GAS) | Notes: From 06/01/1997 |
| 2000 | BMW | Z3 | Roadster (2.5 L6 GAS) | |
| 2003 | BMW | Z4 | 2.5i (2.5 L6 GAS) | |
| 2003 | BMW | Z4 | 3.0i (3.0 L6 GAS) | |
| 2002 | BMW | Z3 | Roadster (2.5 L6 GAS) | |
| 1994 | BMW | 325i | Base (2.5 L6 GAS) | |
| 2001 | BMW | Z3 | Roadster (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.





