Description
The APEX Wheels EC-7 from the Classic Line represents a precision-engineered flow formed wheel designed for BMW applications requiring 5×120 bolt pattern compatibility. This 18×9 ET30 wheel addresses the demands of performance applications through APEX’s flow formed construction process, which combines casting efficiency with enhanced strength characteristics to deliver optimal performance for track and street use.
The EC-7 achieves a weight of 20.8 lbs in the 18×9 configuration, providing unsprung weight reduction compared to factory BMW wheels while maintaining the structural integrity required for performance driving. This weight control becomes critical in performance applications, where reduced unsprung mass directly improves handling dynamics, acceleration response, and braking performance.
The wheel utilizes flow formed construction, a manufacturing process that begins with a cast wheel blank before applying specialized forming techniques. During flow forming, the wheel barrel is spun at high speed while rollers apply controlled pressure, stretching and compressing the aluminum to create a denser grain structure. This process increases the material strength while reducing weight compared to traditional cast wheels, positioning flow formed construction between cast and forged methods in terms of both performance and cost.
The EC-7 features Profile 2 face design, providing the geometry suited for the 9-inch width configuration. The 60-degree conical hardware seat ensures proper lug nut engagement with BMW’s factory mounting hardware. The ET30 offset positions the wheel mounting surface to optimize suspension geometry while maintaining proper brake clearance for performance brake upgrades commonly found on BMW platforms.
- Compatibility: BMW applications with 5×120 bolt pattern
- Material: Flow formed aluminum construction
- Weight: 20.8 lbs
- Face Profile: Profile 2
- Hardware Seat: 60 Degree Conical
- Center Bore: 72.56mm
- Available Finishes: Anthracite, Race Silver, Satin Bronze, Satin Black
- SKU: EC7189ET30-5120-7256-AN
Wheel Specifications:
| DIAMETER | WIDTH | OFFSET | BOLT PATTERN | CENTER BORE | CONSTRUCTION | FACE PROFILE | HARDWARE SEAT | WEIGHT |
| 18″ | 9.0″ | ET30 | 5x120mm | 72.56mm | Flow Formed | Profile 2 | 60 Degree Conical | 20.8 lbs |
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