

HELIX CFMK20 BMW.1 | FlexMount20 Adaptor Ring Kit | BMW/Mini Tweeter Adapter
HELIX CFMK20 BMW.1 | FlexMount20 Adaptor Ring Kit | BMW/Mini Tweeter Adapter
Universal Meets Car-Specific. COMPOSE Technology.
Transform your universal HELIX COMPOSE tweeter into a BMW/Mini-specific solution with CFMK20 BMW.1 FlexMount20 adaptors—providing professional integration in original mounting locations with snap-lock security and acoustically optimized performance.
FlexMount is our proprietary mounting system, based on specially developed adaptor rings that turn your universal 0.75" / 20mm HELIX COMPOSE tweeter with FlexMount20 technology into a car-specific speaker. This allows easy and acoustically optimized installation in the original mounting position of BMW and Mini vehicles with factory installed tweeters. The snap-lock design ensures secure fixation while maintaining professional appearance and optimal acoustic performance for seamless integration.
CFMK20 BMW.1 Features:
- Vehicle-specific adapter ring for a professional and acoustically optimized integration of the 0.75" / 20 mm HELIX COMPOSE tweeters in the original mounting location of the vehicle
- Easy installation and secure fixation of the tweeter in the adaptor ring via snap lock
- Designed specifically for BMW and Mini vehicles with factory installed tweeters
- Professional integration maintains original vehicle aesthetics
- Acoustically optimized for superior sound dispersion
- Snap-lock technology for secure tweeter mounting
- Precision-engineered for perfect fitment
- Eliminates need for custom mounting solutions
- Maintains factory appearance with professional results
- Compatible with extensive range of HELIX COMPOSE tweeters
Specifications:
- Power RMS/Max: 50/100 Watts
- Frequency Response: 65 Hz - 22,000 Hz
- Impedance: 3Ω
- Sensitivity: 91.0 dB @ 2.83V/1m, 87.0 dB @ 1W/1m
- Tweeter Material: Silk dome
- Woofer Material: Injected polypropylene with embedded carbon fibers
- Crossover: Separate, 12/12 dB slope and tweeter protection
- Tweeter Outer Diameter: 33.1mm / 1.30" (OE mount: 36mm, flush mount: 42mm, angle mount: 36mm)
- Woofer Outer Diameter: 129mm / 5.08"
- Tweeter Installation Diameter: 33.1mm / 1.30" (OE mount: 36mm, flush mount: 36mm)
- Woofer Installation Diameter: 112mm / 4.41"
- Tweeter Installation Depth: 9.8mm / 0.38" (OE mount: 16.8mm, flush mount: 11mm)
- Woofer Installation Depth: 52mm / 2.05"
-
Crossover Dimensions: 75.5 x 35.1 x 24mm
Compatibility:
-
Speakers:
- i7: Ci7 T20FM-SC
- i3: Ci3 T20FM-TI, Ci3 K100.2FM-S3, Ci3 K130.2-S3, Ci3 K165.2FM-S3, Ci3 K165.2FM-S2, Ci3 K200.2FM-S3, Ci3 K200.2FM-S2
- BASIC: CB T20FM-S, CB K100.2-S3, CB K130.2-S3, CB K165.2-S3
Scope of Delivery:
- 2 x FlexMount20 adaptor ring
Perfect for:
- BMW and Mini vehicle owners, professional installers, OEM integration projects, HELIX COMPOSE tweeter installations, factory replacement applications, and any installation requiring seamless integration of universal tweeters in original BMW/Mini mounting locations.
Product Information
Product Information
Shipping & Returns
Shipping & Returns
Description
HELIX CFMK20 BMW.1 | FlexMount20 Adaptor Ring Kit | BMW/Mini Tweeter Adapter
Universal Meets Car-Specific. COMPOSE Technology.
Transform your universal HELIX COMPOSE tweeter into a BMW/Mini-specific solution with CFMK20 BMW.1 FlexMount20 adaptors—providing professional integration in original mounting locations with snap-lock security and acoustically optimized performance.
FlexMount is our proprietary mounting system, based on specially developed adaptor rings that turn your universal 0.75" / 20mm HELIX COMPOSE tweeter with FlexMount20 technology into a car-specific speaker. This allows easy and acoustically optimized installation in the original mounting position of BMW and Mini vehicles with factory installed tweeters. The snap-lock design ensures secure fixation while maintaining professional appearance and optimal acoustic performance for seamless integration.
CFMK20 BMW.1 Features:
- Vehicle-specific adapter ring for a professional and acoustically optimized integration of the 0.75" / 20 mm HELIX COMPOSE tweeters in the original mounting location of the vehicle
- Easy installation and secure fixation of the tweeter in the adaptor ring via snap lock
- Designed specifically for BMW and Mini vehicles with factory installed tweeters
- Professional integration maintains original vehicle aesthetics
- Acoustically optimized for superior sound dispersion
- Snap-lock technology for secure tweeter mounting
- Precision-engineered for perfect fitment
- Eliminates need for custom mounting solutions
- Maintains factory appearance with professional results
- Compatible with extensive range of HELIX COMPOSE tweeters
Specifications:
- Power RMS/Max: 50/100 Watts
- Frequency Response: 65 Hz - 22,000 Hz
- Impedance: 3Ω
- Sensitivity: 91.0 dB @ 2.83V/1m, 87.0 dB @ 1W/1m
- Tweeter Material: Silk dome
- Woofer Material: Injected polypropylene with embedded carbon fibers
- Crossover: Separate, 12/12 dB slope and tweeter protection
- Tweeter Outer Diameter: 33.1mm / 1.30" (OE mount: 36mm, flush mount: 42mm, angle mount: 36mm)
- Woofer Outer Diameter: 129mm / 5.08"
- Tweeter Installation Diameter: 33.1mm / 1.30" (OE mount: 36mm, flush mount: 36mm)
- Woofer Installation Diameter: 112mm / 4.41"
- Tweeter Installation Depth: 9.8mm / 0.38" (OE mount: 16.8mm, flush mount: 11mm)
- Woofer Installation Depth: 52mm / 2.05"
-
Crossover Dimensions: 75.5 x 35.1 x 24mm
Compatibility:
-
Speakers:
- i7: Ci7 T20FM-SC
- i3: Ci3 T20FM-TI, Ci3 K100.2FM-S3, Ci3 K130.2-S3, Ci3 K165.2FM-S3, Ci3 K165.2FM-S2, Ci3 K200.2FM-S3, Ci3 K200.2FM-S2
- BASIC: CB T20FM-S, CB K100.2-S3, CB K130.2-S3, CB K165.2-S3
Scope of Delivery:
- 2 x FlexMount20 adaptor ring
Perfect for:
- BMW and Mini vehicle owners, professional installers, OEM integration projects, HELIX COMPOSE tweeter installations, factory replacement applications, and any installation requiring seamless integration of universal tweeters in original BMW/Mini mounting locations.













