Luk DMF021 Clutch Flywheel

Overview of Luk DMF021 Clutch Flywheel for BMW M5 and Z8

The Luk DMF021 clutch flywheel is engineered specifically for BMW M5 and Z8 models, ensuring precise fitment and reliable performance. Designed to meet OEM specifications, this flywheel supports smooth transmission operation and optimal clutch engagement.

• Flywheel diameter options: 24.1 cm (9.488 inches)
• Flywheel cup depth/step height: -0.362 cm (-9.2 mm)
• Flywheel inner diameter: 15.3 cm (6.024 inches)
• Number of teeth: 130
• Compatible with BMW M5 and Z8 models
• Part number: DMF021

Technical Details and Specifications

The Luk DMF021 clutch flywheel features a flywheel diameter of 24.1 cm (9.488 inches), providing the correct size for the flywheel housing in BMW M5 and Z8 transmissions. The flywheel cup depth or step height measures -0.362 cm (-9.2 mm), which is critical for proper clutch disc alignment and engagement. The inner diameter of 15.3 cm (6.024 inches) ensures compatibility with the clutch assembly components. With 130 teeth, this flywheel meshes accurately with the starter motor for reliable engine starting.

Applications and Problem Resolution

This clutch flywheel is designed for use in the following BMW vehicles:

• BMW M5
• BMW Z8

It addresses common issues such as:

• Worn or damaged flywheel surfaces causing clutch slippage
• Irregular flywheel thickness affecting clutch engagement
• Starter motor engagement problems due to tooth wear
• Vibrations or noise from an imbalanced flywheel
• Compatibility issues with replacement clutch components

Installation Notes and Tips

When installing the Luk DMF021 clutch flywheel, ensure the following:

• Verify the flywheel diameter and inner diameter match the vehicle specifications
• Inspect the flywheel mounting surface for cleanliness and flatness
• Torque flywheel bolts to manufacturer-recommended specifications
• Check clutch disc alignment with the flywheel cup depth/step height
• Confirm the number of teeth aligns with the starter motor gear

Quality Assurance and Warranty

Luk manufactures the DMF021 clutch flywheel to meet strict quality standards, ensuring durability and performance in BMW M5 and Z8 applications. While specific warranty details may vary, Luk products typically come with a limited warranty covering defects in materials and workmanship. Always consult the product documentation or authorized sources for exact warranty terms.