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          Genuine BMW 34326758848 - Brake Master Cylinder Reservoir

          MPN: 34326758848
          The Genuine BMW 34326758848 Brake Master Cylinder Reservoir ensures optimal braking performance by maintaining proper fluid levels. Designed for easy installation and OEM precision.
          0.0
          Vehicle Specific
          Check if this part fits your vehicle.
          • $124.52
          In stock

          Product Overview

          The Genuine BMW Brake Master Cylinder Reservoir (MPN: 34326758848) is a crucial component designed to maintain the efficiency and safety of your BMW's braking system. Engineered to OEM standards, this reservoir ensures that your brakes function smoothly, providing you with the utmost control while driving. Crafted from premium-grade materials, it promises durability and long-lasting performance, making it a reliable choice for your vehicle. Choose Genuine BMW 34326758848 for dependable performance and peace of mind every time you service your vehicle.

          Cross Reference Numbers

          This Genuine BMW 34326758848 is equivalent to or replaces the following part numbers: 34 32 6 758 848.

          Vehicle Compatibility

          • BMW 750i 4.8 V8 (2005–2008)
          • BMW 750Li 4.8 V8 (2005–2008)
          • BMW 760Li 6.0 V12 (2005–2008)
          • BMW Alpina B7 4.4 V8 (2007–2008)
          • BMW 745i 4.4 V8 (2003–2005)
          • BMW 745Li 4.4 V8 (2003–2005)
          • BMW 760i 6.0 V12 (2006)
          • BMW 540i 4.4 V8 (2001–2002)
          • BMW M5 5.0 V8 (2001–2003)
          • BMW Z8 5.0 V8 (2001–2002)

          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 Genuine BMW 34326758848 Brake Master Cylinder Reservoir do?

          The brake fluid reservoir stores the brake fluid necessary for the brake system to function. It ensures that the appropriate amount of fluid is available to maintain effective braking performance.

          How do I know if my Brake Master Cylinder Reservoir needs replacement?

          Common signs that your brake fluid reservoir may need replacement include leaking brake fluid, a warning light on the dashboard indicating low brake fluid levels, or diminished braking performance.

          Can I install the Genuine BMW 34326758848 myself?

          Yes, installation of the Genuine BMW 34326758848 Brake Master Cylinder Reservoir is straightforward, making it feasible for DIY enthusiasts. However, ensure to follow proper safety precautions and consult your vehicle's service manual.

          What are the symptoms of a faulty Brake Master Cylinder Reservoir?

          Symptoms of a faulty brake fluid reservoir can include brake fluid leaks, a dashboard warning light indicating low fluid levels, or noticeable decrease in braking power. These issues can compromise vehicle safety, so timely replacement is essential.

          Why should I choose Genuine BMW for my Brake Master Cylinder Reservoir needs?

          Genuine BMW is synonymous with quality and reliability, ensuring that every part meets the rigorous standards of performance and safety. Order Genuine BMW 34326758848 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
              946917
            • Weight
              0.34 lbs
            • Dimensions (L x W x H)
              9.9262 x 4.9818 x 7.4354 in
            • Manufacturer Part #
              34326758848
          • Brand
            Genuine BMW
          • Manufacturer
            Genuine BMW
          • MPN
            34326758848
          • Part Type
            Brake Master Cylinder Reservoir
          • OE Part Numbers
            34 32 6 758 848, 34326758848
          • Fitment
            • Fitment Type
              Vehicle Specific
          YearMakeModelSubmodelNotes
          2005BMW760LiBase (6.0 V12 GAS)
          2005BMW760iBase (6.0 V12 GAS)
          2005BMW745LiBase (4.4 V8 GAS)
          2005BMW745iBase (4.4 V8 GAS)
          1999BMW740iBase (4.4 V8 GAS)
          1999BMW528iBase (2.8 L6 GAS)Notes: UNDERHOOD
          1999BMW740iLBase (4.4 V8 GAS)
          1999BMW540iBase (4.4 V8 GAS)Notes: UNDERHOOD
          1999BMW750iLBase (5.4 V12 GAS)
          2003BMW540iBase (4.4 V8 GAS)Notes: UNDERHOOD
          2003BMW525iBase (2.5 L6 GAS)Notes: UNDERHOOD
          2003BMW760LiBase (6.0 V12 GAS)
          2003BMW530iBase (3.0 L6 GAS)Notes: UNDERHOOD
          2003BMWZ8Base (5.0 V8 GAS)
          2003BMWM5Base (5.0 V8 GAS)Notes: UNDERHOOD
          2003BMW745iBase (4.4 V8 GAS)
          2003BMW745LiBase (4.4 V8 GAS)
          2008BMW750iBase (4.8 V8 GAS)
          2008BMW760LiBase (6.0 V12 GAS)
          2008BMWAlpina B7Base (4.4 V8 GAS)
          2008BMW750LiBase (4.8 V8 GAS)
          2006BMW750iBase (4.8 V8 GAS)
          2006BMW760LiBase (6.0 V12 GAS)
          2006BMW760iBase (6.0 V12 GAS)
          2006BMW750LiBase (4.8 V8 GAS)
          2004BMW745iBase (4.4 V8 GAS)
          2004BMW760LiBase (6.0 V12 GAS)
          2004BMW745LiBase (4.4 V8 GAS)
          2004BMW760iBase (6.0 V12 GAS)
          2000BMW750iLBase (5.4 V12 GAS)
          2000BMWZ8Base (5.0 V8 GAS)
          2000BMWM5Base (5.0 V8 GAS)Notes: UNDERHOOD
          2000BMW740iLBase (4.4 V8 GAS)
          2000BMW740iBase (4.4 V8 GAS)
          2000BMW540iBase (4.4 V8 GAS)Notes: UNDERHOOD
          2000BMW528iBase (2.8 L6 GAS)Notes: UNDERHOOD
          1998BMW750iLBase (5.4 V12 GAS)
          1998BMW740iLBase (4.4 V8 GAS)
          1998BMW540iBase (4.4 V8 GAS)Notes: UNDERHOOD
          1998BMW740iBase (4.4 V8 GAS)
          1998BMW528iBase (2.8 L6 GAS)Notes: UNDERHOOD
          2002BMW745LiBase (4.4 V8 GAS)
          2002BMW745iBase (4.4 V8 GAS)
          2002BMWZ8Base (5.0 V8 GAS)
          2002BMW530iBase (3.0 L6 GAS)Notes: UNDERHOOD
          2002BMW525iBase (2.5 L6 GAS)Notes: UNDERHOOD
          2002BMWM5Base (5.0 V8 GAS)Notes: UNDERHOOD
          2002BMW540iBase (4.4 V8 GAS)Notes: UNDERHOOD
          2001BMW530iBase (3.0 L6 GAS)Notes: UNDERHOOD
          2001BMWZ8Base (5.0 V8 GAS)
          2001BMWM5Base (5.0 V8 GAS)Notes: UNDERHOOD
          2001BMW540iBase (4.4 V8 GAS)Notes: UNDERHOOD
          2001BMW525iBase (2.5 L6 GAS)Notes: UNDERHOOD
          2001BMW750iLBase (5.4 V12 GAS)
          2001BMW740iLBase (4.4 V8 GAS)
          2001BMW740iBase (4.4 V8 GAS)
          2007BMWAlpina B7Base (4.4 V8 GAS)
          2007BMW750LiBase (4.8 V8 GAS)
          2007BMW750iBase (4.8 V8 GAS)
          2007BMW760LiBase (6.0 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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