S55 DCT Lightweight Flywheel.
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Made from carbon steel.
Carbon forged steel is denser than aluminum, allowing machining to tighter tolerances.
Minus 7.6 lbs
The original flywheel weighs 17.75 lbs.
2 piece design.
The hub is machined separately and coated with titanium nitride for enhanced hardness and reduced friction.
Dynamically balanced.
Holes are machined as a result of the process.
Get your flywheel
Hardware notes.
Genuine BMW flywheel bolts are included.
Recommended upgrades.
Due to increased crankshaft angular acceleration rates, we highly recommend crank hub upgrades be fitted.
Hardware notes
New bolts are included.
The OEM bolts are encased into the original flywheel. We include 6x new Genuine BMW bolts that require the same torque specifications as the original.
Build journal
Was it worth it?
Taking years of experience from the S65 and S85 applications, we have set forth to develop a complete lineup of OE+ lightweight flywheels and Clubsport twin disc kits for the S55 powered F8x M2/3/4.
In this upcoming Series, I will document their development and final specifications.
Enjoy,
- Matt
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