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          LuK LMC111 - Clutch Master Cylinder

          MPN: LMC111
          The LuK LMC111 Clutch Master Cylinder ensures smooth gear shifts and reliable operation for various BMW models. Engineered to OEM standards for lasting durability.
          0.0
          Vehicle Specific
          Check if this part fits your vehicle.
          • $149.95
          In stock

          Product Overview

          The LuK Clutch Master Cylinder part number LMC111 is an exceptional choice for BMW owners looking to replace their old or worn-out clutch master cylinder. Engineered to OEM standards, this high-quality component offers excellent performance and durability, making it a reliable option for both car enthusiasts and professional mechanics. Precision engineering ensures that the LMC111 fits perfectly and functions flawlessly, providing smooth and uniform clutch engagement for an enhanced driving experience. Choose LuK LMC111 for dependable performance and peace of mind every time you service your vehicle.

          Cross Reference Numbers

          This LuK LMC111 is equivalent to or replaces the following part numbers: 21 52 1 155 425, 511 0177 10, 511 0177 100.

          Vehicle Compatibility

          • BMW 850Ci 5.0 V12 (1994–1996)
          • BMW 850CSi 5.6 V12 (1994–1995)
          • BMW 540i 4.0 V8 (1994–1995)
          • BMW 530i 3.0 V8 (1994–1995)
          • BMW 525i 2.5 L6 (1992–1996)
          • BMW 750iL 5.0 V12 (1990–1991)
          • BMW 735iL 3.5 L6 (1990–1992)
          • BMW 735i 3.5 L6 (1987–1992)
          • BMW 535i 3.5 L6 (1988–1995)
          • BMW 850i 5.0 V12 (1990–1992)

          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 LMC111 Clutch Master Cylinder do?

          The clutch master cylinder is a crucial component of the vehicle's clutch system. It transfers the force from the clutch pedal to the clutch mechanism, allowing for smooth gear shifts and control over the vehicle's power transmission.

          How do I know if my Clutch Master Cylinder needs replacement?

          Common signs that the clutch master cylinder may need replacement include difficulty shifting gears, a spongy or unresponsive clutch pedal, and fluid leaks around the cylinder area. If you experience any of these symptoms, it may be time to consider a replacement.

          Can I install the LuK LMC111 myself?

          Yes, installation of the LuK LMC111 is straightforward, making it a suitable choice for DIYers who prefer to handle their vehicle maintenance independently. However, ensure to follow proper safety precautions during installation.

          What are the symptoms of a faulty Clutch Master Cylinder?

          Symptoms of a faulty clutch master cylinder include difficulty shifting gears, a clutch pedal that feels soft or sinks to the floor, and leakage of hydraulic fluid. These issues can severely impact drivability and should be addressed promptly.

          Why should I choose LuK for my Clutch Master Cylinder needs?

          LuK is known for its reliable and high-quality automotive components. Order LuK LMC111 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
              178897
            • Weight
              0.8554 lbs
            • Dimensions (L x W x H)
              12.8346 x 5.5118 x 5.1181 in
            • Barcode
              00670774007064
            • Manufacturer Part #
              LMC111
          • Brand
            LuK
          • Manufacturer
            LuK
          • MPN
            LMC111
          • Part Type
            Clutch Master Cylinder
          • OE Part Numbers
            1 155 425, 1155425, 21 52 1 155 425, 21521155425
          • Cross Reference Numbers
            M0307, 5412070, 5110177100, 6284 600 103, 6284600103, 876100, KG190011.1.3, KG19001113
          • Fitment
            • Fitment Type
              Vehicle Specific
          YearMakeModelSubmodelNotes
          1991BMW525iBase (2.5 L6 GAS)
          1991BMW735iLBase (3.5 L6 GAS)Notes: 19.05mm
          1991BMW750iLBase (5.0 V12 GAS)
          1991BMW850iBase (5.0 V12 GAS)
          1991BMW535iBase (3.5 L6 GAS)
          1991BMW735iBase (3.5 L6 GAS)
          1989BMW525iBase (2.5 L6 GAS)
          1989BMW735iBase (3.5 L6 GAS)
          1989BMW750iLBase (5.0 V12 GAS)
          1989BMW535iBase (3.5 L6 GAS)
          1989BMW735iLBase (3.5 L6 GAS)Notes: 19.05mm
          1995BMW525iBase (2.5 L6 GAS)
          1995BMW850CiBase (5.4 V12 GAS)
          1995BMW850CSiBase (5.6 V12 GAS)
          1995BMW530iBase (3.0 V8 GAS)
          1995BMW540iBase (4.0 V8 GAS)
          1992BMW525iBase (2.5 L6 GAS)
          1992BMW735iBase (3.5 L6 GAS)
          1992BMW735iLBase (3.5 L6 GAS)Notes: 19.05mm
          1992BMW850iBase (5.0 V12 GAS)
          1992BMW535iBase (3.5 L6 GAS)
          1993BMW525iBase (2.5 L6 GAS)
          1993BMW535iBase (3.5 L6 GAS)
          1993BMW850CiBase (5.0 V12 GAS)
          1994BMW525iBase (2.5 L6 GAS)
          1994BMW850CiBase (5.0 V12 GAS)
          1994BMW850CSiBase (5.6 V12 GAS)
          1994BMW530iBase (3.0 V8 GAS)
          1994BMW540iBase (4.0 V8 GAS)
          1988BMW735iBase (3.5 L6 GAS)
          1988BMW750iLBase (5.0 V12 GAS)
          1988BMW735iLBase (3.5 L6 GAS)Notes: 19.05mm
          1987BMW735iBase (3.5 L6 GAS)
          1990BMW750iLBase (5.0 V12 GAS)
          1990BMW735iBase (3.5 L6 GAS)
          1990BMW735iLBase (3.5 L6 GAS)Notes: 19.05mm
          1990BMW535iBase (3.5 L6 GAS)
          1990BMW525iBase (2.5 L6 GAS)
          1996BMW850CiBase (5.4 V12 GAS)
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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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