![PMC Motorsport - Rigid Single-Mass Flywheel BMW E90 E91 E92 E93 325D 330D - 240mm / 9.45" [SMF]](http://drifthq.com/cdn/shop/files/eng_pl_Custom-Single-mass-Flywheel-BMW-M57n-M57n2-BMW-M57n-GS6-53DZ-HGU-HGK-240mm-9-45-5704_1.webp?v=1763753486&width=1445)
OVERVIEW
Rigid / Single-Mass Flywheel - BMW E90 E91 E92 E93 325D 330D M57n2 (Female Gearbox Input Shaft) - [SMF / 240mm / 14kg]
Rigid flywheel for the BMW M57n M57n2 engine. The wheel is CNC-machined from high-quality cast iron. Mounting points are kept exactly as in the OE flywheel. This flywheel is compatible with gearboxes featuring a female pilot/input shaft, gearbox codes: HGU, HGK.
The use of a cast iron single-mass flywheel with a weight close to factory (OE) parameters is the ideal compromise between reliability and daily driving comfort. Replacing the complex Dual-Mass Flywheel (DMF) with a solid Single-Mass Flywheel (SMF) design eliminates the weakest link in the drivetrain, ensuring lifetime durability of the component.
Our entire production and R&D department are located in Poland. More than 90% of the components are manufactured in-house by our company.
Selection Assistance & After-Sales Support - PMC Motorsport Support
The PMC Motorsport team will help you choose the right kit for your needs. In case of any doubts during installation, we provide full technical support. You can contact us via the contact form.
Individual Component Purchase
Our offer includes every single element of our kits, which can be purchased separately if needed.
Thousands of manufactured adapters and satisfied customers worldwide.
PMC Motorsport adapters are used in both Daily-driven cars and professional motorsport projects.
From the beginning, we have focused on the quality of our parts. After each production stage, the component is inspected. Every part we manufacture is engraved with a unique production serial number.
Quality confirmed by ISO certificate PN-EN ISO 9001:2015
We ship our products to almost every country in the world. Shipping costs for European Union countries (excluding islands) and the United Kingdom are calculated automatically. For countries not on the list, our team will provide a shipping quote after the order is placed. You will receive an email with the final cost.
NOTE: The provided shipping quote and product price do not include additional fees/customs duties that may occur depending on the destination country.
0% VAT
0% VAT for customers with an active EU VAT number(B2B option for customers outside of Poland) and for exports outside the EU.
After positive verification in the VIES system, we modify the order by removing the VAT.
| Flywheel Weight [kg / lb] | Mass Reduction vs OE [%] | BMW OE Replacement |
| 14 / 30.86 | Close to OE |
21207532592 / 7532592 |
Requires the use of BMW OE 11 21 7 787 237 / 11217787237 sensor ring and BMW OE 11 22 7 788 746 automatic version flywheel (not included).


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