Replacement Clutch Master Cylinder Compatible with BMW E46/90/81/87/39

Restore your BMW’s clutch performance to factory precision with this high-quality Replacement Clutch Master Cylinder, designed for compatibility with a range of models including the E46, E90, E81, E87, and E39. Built to match OEM specifications and engineered for a perfect fit, this master cylinder ensures smooth hydraulic pressure delivery, improved pedal feel, and reliable engagement in all driving conditions. Whether you're tackling worn seals, internal leaks, or soft pedal response, this unit offers a direct-fit solution with premium durability and dependable long-term performance. Designed for enthusiasts, professionals, and anyone maintaining their BMW to a high standard, this component helps ensure your vehicle's clutch system continues to perform at its best. \n \nReplaces OEM part number 21526773670. \n \nPrecision Fit for Multiple BMW Models: This replacement master cylinder is compatible with BMW E46, E90, E81, E87, and E39 models, offering excellent coverage for some of BMW’s most popular platforms. Engineered for an exact match to OEM part 21526773670, it aligns perfectly with your vehicle’s factory hydraulic clutch system, making it ideal for both professional installations and at-home maintenance. \n \nRestores Accurate Clutch Pedal Feel and Responsiveness: A failing master cylinder often results in a soft, inconsistent clutch pedal or difficulty engaging gears. This unit resolves those issues by restoring proper hydraulic flow and pressure. It delivers a firm, consistent pedal feel and smooth engagement, improving both driving comfort and gear transition accuracy in stop-and-go traffic or spirited driving. \n \nOEM-Matched Bore Size and Port Configuration: Manufactured with attention to detail, this master cylinder features the correct internal bore and port locations for factory-correct pressure levels and compatibility. This ensures your clutch system maintains the correct fluid displacement, giving you reliable, repeatable clutch action with every press. \n \nHigh-Quality Seals and Corrosion-Resistant Construction: Built to meet or exceed OE durability standards, the unit features precision-formed seals that resist brake fluid breakdown, internal wear, and pressure loss. The cylinder body is made from corrosion-resistant materials, helping protect against heat, fluid exposure, and road contaminants common in long-term use. \n \nDirect-Fit Replacement with No Modifications Needed: This clutch master cylinder is a bolt-in replacement for the original part, requiring no cutting, drilling, or adaptation. All mounting points, fluid line connections, and pushrod lengths are OEM-spec for straightforward installation. It's the ideal solution for restoring your vehicle’s drivability without unnecessary complexity or cost. \n \nProtects Clutch and Transmission from Premature Wear: An underperforming master cylinder can lead to partial disengagement, placing added stress on the pressure plate and gearbox. Replacing it with this properly functioning unit helps prevent damage to other clutch components, extending the life of your entire drivetrain system while ensuring smoother, cleaner gear changes. \n \nReliable Upgrade for Maintenance or Restoration Projects: Whether you're maintaining a daily driver, reviving a neglected project, or preparing your BMW for resale, this clutch master cylinder is a smart, cost-effective investment. It delivers OEM-level reliability and function, ensuring your car performs as intended—whether on the road or track. \n \nThis Replacement Clutch Master Cylinder Compatible with BMW E46, E90, E81, E87, and E39 offers the perfect balance of fit, function, and performance. With direct compatibility for OEM part number 21526773670, it delivers dependable pressure, smooth pedal operation, and extended durability to keep your BMW shifting flawlessly and driving with confidence. \n \nPlease refer to the image to ensure suitability.