Luk 03-063 Clutch Kit

LuK 03-063 Clutch Kit for BMW Manual Transmissions

The LuK 03-063 transmission clutch kit is built for specific BMW manual transmission applications and follows original-equipment engineering standards. It includes the core clutch components needed for a proper clutch service on select 2004-2007 BMW 325i, 325Ci, 525i, 328i, and Z4 models.

Key Features

• Self-adjusting pressure plate type for consistent clutch engagement
• 9" clutch disc diameter with 22-spline, 1-1/8" input shaft fitment
• 11-1/8" clutch diameter for the specified BMW applications
• Cover assembly, clutch disc, release fork, release bearing, all necessary pilots, and accessory pack included
• LuK OE supplier engineering for application-specific performance specifications
• Cross-reference: Sachs K70520-01 for the same application

Detailed Description

LuK 03-063 is a transmission clutch kit engineered for BMW vehicles with the listed manual transmission configurations. The self-adjusting pressure plate helps maintain proper clutch feel as the assembly wears, while the 9-inch disc and 22-spline configuration match the specified input shaft requirements. This kit is a direct-fit service solution for BMW 325i, 325Ci, 525i, 328i, and Z4 applications covered by the fitment data.

As an OE supplier, LuK develops performance specifications for individual vehicle applications and manufactures a high level of the content in-house. The LuK 03-063 is a practical choice when replacing worn clutch components on BMW 325i and 525i manual transmission vehicles, as well as select BMW Z4 and 328i models.

What This Clutch Kit Helps Address

• Clutch slippage during acceleration
• Hard or inconsistent clutch pedal engagement
• Chatter, shudder, or vibration on takeoff
• Difficulty shifting caused by worn clutch components
• Noise from a worn release bearing or related clutch hardware

Installation Notes and Tips

• Verify transmission type and engine application before installation; some 2004-2005 BMW 325i, 325Ci, and 2004 Z4 applications are listed as non-sequential transmission only.
• Confirm the vehicle falls within the listed production cutoff for 2007 BMW 328i, 525i, and Z4 models through 03/31/2007.
• Inspect the flywheel, pilot area, and release components during service to help ensure proper clutch operation.
• Follow BMW service procedures for alignment, torque sequence, and break-in requirements.

Quality Assurance

LuK is an original-equipment supplier with application-specific engineering for the vehicles listed here. Part number 03-063 is built to match the stated BMW fitment and clutch specifications for a precise replacement service.