# ACT 09-13 BMW 135i / 09-13 335i XACT Flywheel ProMass

Noticeably improved engine response and acceleration, OE to mild gear rattle; Heat-treated forging for strength and toughness, 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; Recommended for street and race use; Forged, CNC machined and dynamically computer balanced for smooth high RPM reliability

-   "Excellence in Performance", backed by the best one-year warranty in the industry!

This Part Fits:

Year

Make

Model

Submodel

2009-2013

BMW

135i

Base

2009-2015

BMW

335i

Base

2009-2015

BMW

335i xDrive

Base

2011-2013

BMW

335is

Base

2014-2016

BMW

435i

Base

2014-2016

BMW

435i xDrive

Base

2009-2014

BMW

535i

Base

2009-2010

BMW

535i xDrive

Base

2009-2016

BMW

Z4

sDrive35i

## Details

- **Price:** 1396.4 CAD
- **Vendor:** ACT
- **Type:** Flywheels

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 1396.40 CAD | In stock |

## Images

- Photo - Primary
- Photo - out of package
- User 1
- Photo - out of package
- Logo Image

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> Source: [Standard Auto Part](https://www.standardautopart.com/products/act-09-13-bmw-135i-09-13-335i-xact-flywheel-promass)
> Updated: 2026-07-03