UUC Motorwerks

B11-E850PO

Lightweight Flywheel and V12 conversion Performance Organic clutch kit for '00 - '03 BMW E39 M5 and Z8 6-speed models

Flywheel

Fits all 2000-2003 BMW E39 M5 and Z8 with manual transmission.
IMPORTANT: Not ALPINA Z8 with automatic transmission.
Converts your car to use the superior 850CSi V12 clutch design, providing greater power handling and longevity than the standard clutch.
Incorporates a sprung-hub design to minimize gear rattle, includes heavy-duty steel pressure plate.
PERFORMANCE ORGANIC clutch suitable for street-driven cars, track cars, and supercharged cars up to 500ft-lb. For higher power applications or drag/drift use, see kits with other clutch material options in our catalog.

The design of the performance flywheel and clutch for the BMW V8 had to combine all of these characteristics: Lighter weight, no change in pedal effort, durability to eliminate the short lifespan of the original BMW design, quiet operation with minimal gear lash sound, power capabilities suitable for the original hp rating of the V8 or for 700hp+ supercharger applications, readily-available clutch offerings in a variety of materials. The UUC Ultimate flywheel and V12 clutch conversion solves all of these requirements. The clutch draws from BMW's Motorsport heritage and converts the V8 M5/Z8 to use the 280mm clutch components from the legendary 5.6l V12-engined 850CSi. When compared to the original 240mm clutch in the V8 models, this is a whopping 50% greater clutch area. This larger area increases the clutch lifespan and power capabilities. The result is a lightweight flywheel/clutch combination that is rattle-free in most installations (variations in transmission wear, condition of fluid, and other factors may cause some cars to experience very slight rattle). The UUC flywheel is the heart of the V12 conversion, adapting the V12 components to the V8 transmission. Built with the same level of technical sophistication and quality that earned UUC a European Car magazine "Select Gear Top 10" award for best products of 2003, and also the SFI race-spec certification, this is the best quality flywheel that can be built, CNC machined 6061-T6 aluminum disk with replaceable 1050 steel friction surface. Correct V8 starter ring and ignition trigger ring for perfect operation. Clutch effort is identical to the original V8 clutch, and feel is even better. With the specific weight and sprung-hub clutch design, typical transmission rattle is dramatically reduced or even nonexistent in some installations. With a significant 13.5lb weight savings in rotating components compared to the original V8 flywheel/clutch package, acceleration and throttle response is noticeably improved.

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