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Flywheels

The factory BMW flywheel is a 2 piece design that mitigates vibration and creates a comfortable driving experience. A single piece aftermarket flywheel will allow the engine to rev quicker and gives shifting a much more direct and mechanical feel. This also makes clutch modulation on spirited takeoffs much easier and more predictable and is a must if you plan on tracking or competing in your BMW.

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ACT - Corporate Logo
T#:29002055
Part#: 601170
In Stock at Vendor
$ 830.00 USD
Free Shipping on orders $49 and up

The ACT Streetlite flywheel offers the following benefits:

Noticeably improved engine response and acceleration: Experience a significant boost in engine performance and acceleration with this component. OE to mild gear rattle: Expect only minimal gear rattle, from Original Equipment (OE) standards to a mild level, ensuring a smoother drive. Heat-treated forging for strength and toughness: Crafted using heat-treated forging, this part guarantees enhanced strength and durability. Induction-hardened ring gears for maximum life: The ring gears undergo induction hardening, providing maximum lifespan and reliability. One-piece construction allows less opportunity for failure and provides uniform efficient heat transfer from the clutch disc: The one-piece design reduces potential failure points and ensures uniform and efficient heat transfer from the clutch disc, preventing issues like warped inserts or loose ring gears. Recommended for street and race use: This component is ideal for both everyday street driving and competitive racing environments.

Forged, CNC machined, and dynamically computer balanced for smooth high RPM reliability: Expertly forged, CNC machined, and dynamically balanced via computer to ensure smooth and reliable performance at high RPMs.

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XACT Flywheel Streetlite
For production vehicles with a 6 bolt flywheel and build date from 01/2009
ACT - Corporate Logo
T#:7828840
Part#: 601030
Ships in 6 Business Days
$ 968.00 USD
Free Shipping on orders $49 and up
Note: Single mass flywheel conversion. For 6-bolt crankshaft. Can be used with both factory clutch kit and ACT clutch kits. Gear rattle is expected 601130 is a Streetlite flywheel, which is considerably lighter than stock and is the most durable flywheel offering from ACT. Materials are properly distributed for maximum strength, lower inertia, good heat tolerance and rigidity. ACT's Streetlite flywheels are preferred for street or drag racing. ACT flywheels are serviceable and can be resurfaced with no need to purchase additional parts. Features: Improved engine response and acceleration Heat-treated forging for strength and toguhness with induction-hardened ring gears for maximum life. One piece construction allows less opportunity for failure and provides uniform efficient heat transfer from the clutch disc. No more warped inserts or loose ring gears Forged, CNC machined and dynamically computer balanced for smooth high RPM reliability Recommended for street and race use. Gear rattle is expected.
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ACT - Corporate Logo
T#:31390578
Part#: 601011
Ships in 6 Business Days
$ 694.00 USD
Free Shipping on orders $49 and up

BMW E36 M3 Z3 XACT Flywheel Streetlite is a high-performance upgrade designed to enhance engine response and acceleration. This Streetlite flywheel is significantly lighter than the stock flywheel, offering superior durability and strength. Crafted from Chromoly Steel, it provides excellent heat tolerance and rigidity, making it ideal for both street and drag racing applications.

  • Improved Performance: Noticeably enhances engine response and acceleration with minimal gear rattle.
  • Durability: Heat-treated forging ensures strength and toughness, while induction-hardened ring gears extend lifespan.
  • Quality Construction: One-piece design prevents failure, ensuring uniform heat transfer and preventing issues like warped inserts or loose ring gears.
  • Recommended Use: Suitable for both street and race applications.
  • ACT Advantage: Forged, CNC machined, and dynamically balanced for reliable high RPM performance.

Specifications:

  • Product Weight: 15.2 lbs
  • Material: Chromoly Steel
  • Friction Surface Diameter: 9.4 inches (240 mm)
  • Flywheel Type: Streetlite
  • Tooth Quantity: 113
  • Warranty: 12 Months
  • SFI Rating: 1.1
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Genuine BMW - Corporate Logo
T#:48896
Part#: 21207590853
Special Order: No Guaranteed ETA
6% off MSRP $ 1,800.99

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 1,690.99 USD
Free Shipping on orders $49 and up
6% off MSRP
$ 1,800.99

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 1,690.99 USD
Free Shipping on orders $49 and up


Genuine BMW Twin Mass Flywheel -
This item fits the following BMW Chassis:
E82,E89 Z4,E92,E93

Genuine BMW - Corporate Logo
T#:194130
Part#: 11228507622
In Stock
$ 5.18 USD
Free Shipping on orders $49 and up


Genuine BMW Isa Screw - M12X1.5X26


Fits BMW Engines including:
N63


Genuine BMW - Corporate Logo
T#:19111
Part#: 11221715527
In Stock at Vendor
$ 43.99

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 41.99 USD
Free Shipping on orders $49 and up
$ 41.99 USD
Free Shipping on orders $49 and up


Genuine BMW Shim -
This item fits the following BMW Chassis:
E34

Fits BMW Engines including:
M30

Genuine BMW - Corporate Logo
T#:27138523
Part#: 11228507622KT
In Stock
$ 41.99 USD
Free Shipping on orders $49 and up
Genuine BMW Isa Screw - M12X1.5X26

Genuine BMW - Corporate Logo
T#:25145
Part#: 21207536564
Ships in 5 Business Days
6% off MSRP $ 2,232.99

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 2,096.99 USD
Free Shipping on orders $49 and up
6% off MSRP
$ 2,232.99

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 2,096.99 USD
Free Shipping on orders $49 and up


Genuine BMW Twin Mass Flywheel -
This item fits the following BMW Chassis:
E63


JB Racing - Corporate Logo
T#:40748575
Part#: 520010240SGA
Ships on Sep 3, 2026
$ 868.00 USD
Free Shipping on orders $49 and up
This lightened steel flywheel is specifically designed (and approved) for use in Grand-Am road racing but can also be used as a mild street upgrade if a full aluminum lightweight flywheel is not called for. The Grand-Am flywheel is 20% lighter than stock to meet the rules for the GS and ST classes.Modern flywheels are built with additional components and features that are designed to dampen and minimize vibrations from the engine and transmission. As a result they have become bloated in weight and that means more energy is used up just making the flywheel spin. A lightweight flywheel does away with the dual mass design and its additional mass so more energy can be diverted to where it counts most - moving the car. The flywheel and clutch is one of the first areas that engine builders address when making the rotating assembly lighter for race engines. The dampening effect is just not needed on cars that are focused on performance.

In addition to releasing more power to the wheels, the lighter flywheel allows the engine to spin more freely, which improves throttle response. The engine revs much faster than before. With the engine spinning easier the power band comes up much sooner. The stock steel flywheel feels lazy in comparison. There is a driving adjustment required to get used to how much faster the engine revs but that's not really a downside.

Grand-Am approved this flywheel to be used with a factory E36 M3 clutch. This opens up a lot of clutch and pressure plate options but we typically used this with a stock Sachs OEM clutch kit. This makes replacement clutch components easy to source and inexpensive when compared to specialized racing clutches.

Lightweight flywheels are considered 'single-mass' flywheels because they do not have the same dampening designs as an original 'dual-mass' flywheel. With a single-mass design more noise and vibration may be noticeable. There are steps you can take to minimize the noise - heavier weight transmission oil and clutch discs with anti-rattle springs (sprung-hub clutch). In addition to the standard replacement clutches, we also sell Sachs Performance sprung hub clutches that also work with the JB flywheels.

If being used on a 330i 6-speed or Z4 6-speed an additional pilot bearing hub is required. Select your appropriate model and transmission from the list below.

Stock Flywheel Weight = 25.0lbs
JB Flywheel Weight = 20.0lbs

This item fits the following BMWs:
2001-2002 E46 BMW 330i 330ci 5-speed
2003-2006 E46 BMW 330i 330ci 6-speed
2001-2006 E46 BMW M3
1998-2002 Z3 BMW Z3 M Roadster M Coupe
2003-2005 E85 BMW Z4 2.5i Z4 3.0i
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Genuine BMW - Corporate Logo
T#:48903
Part#: 21207612488
Special Order: No Guaranteed ETA
6% off MSRP $ 1,800.99

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 1,690.99 USD
Free Shipping on orders $49 and up
6% off MSRP
$ 1,800.99

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 1,690.99 USD
Free Shipping on orders $49 and up

This is the stock twin mass flywheel for the E92/E93 335is N54. Sachs recommends a new dual mass flywheel (DMF) on every other clutch replacement. There are several indicators for replacing the flywheel: damage to the clutch contact plate (from a severely worn clutch disc), grease leaking from inside (overheating), build-up of clutch material on the contact plate (excessive slipping and overheating), and failure of the internal damping system.

The dampening system uses rubber or coil springs to absorb driveline vibrations. Through age, excessive heat, and aggressive use the rubber loses its resilience and the metal springs lose their strength and become brittle. If the clutch and flywheel have become overheated the internal grease may break down as well. A DMF failure can be massive and catastrophic, not to mention dangerous as bits of metal and rubber fling themselves through the transmission bellhousing. Heat and aggressive driving will accelerate the wear so race and track cars should have their stock flywheels replaced at regular intervals or with any new clutch. Even normal street cars should plan for a new flywheel if it has high mileage.

DMF wear can only be checked with the transmission and clutch removed. If you can rotate the outer flywheel more than 20mm in either direction then it should be replaced.

A new pilot bearing (roller bearing) is included, pre-installed in the flywheel hub.

New flywheel mounting bolts must be ordered separately.

This item fits the following BMWs:
1/2009-2013 E92 BMW 335is - Coupe, DCT transmission
1/2009-2013 E93 BMW 335is - Convertible, DCT transmission

 

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