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BMW Z4 Roadster 3.0si 2006 on BBS Style 108 Wheels




This BMW Z4 Roadster 3.0si 2006 is running 18×8 / 18×8.5-inch BBS Style 108 wheels finished in Black. Paired with Federal SS595 225/40 25.1″x8.9″ / 255/35 25″x10″ tires. Suspension is Coilovers.
Wheel Specs
- Brand: BBS
- Model: Style 108
- Size: 18×8 / 18×8.5
- Offset: 49 / 47
- Finish: Black
- Tires: Federal SS595 225/40 25.1″x8.9″ / 255/35 25″x10″
- Suspension: Coilovers
Obsidian BBS Style 108 wheels devour the space beneath those stretched, muscular fender arches. The aggressive black finish creates a stark, menacing contrast against the Z4’s silver skin.
Coilovers slam the chassis low, forcing the Federal rubber to grip the asphalt with intent. This roadster is no longer a mere cruiser but a sharpened, tactical canyon weapon.
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BMW Z4 Roadster 3.0si 2006 on Ferrada FR4 Wheels





This BMW Z4 Roadster 3.0si 2006 is running 20×9.5 / 20×10.5-inch Ferrada FR4 wheels finished in Machined. Paired with Tri-Ace FORMULA 1 245/30 25.8″x9.6″ / 285/25 25.6″x11.2″ tires. Suspension is Coilovers.
Wheel Specs
- Brand: Ferrada
- Model: FR4
- Size: 20×9.5 / 20×10.5
- Offset: 35 / 37
- Finish: Machined
- Tires: Tri-Ace FORMULA 1 245/30 25.8″x9.6″ / 285/25 25.6″x11.2″
- Suspension: Coilovers
Estimated price range for Ferrada wheels: $2,000 to $3,000.
The BMW Z4 3.0si platform suffers visually from such aggressive 20-inch Ferrada FR4 fitments. These heavy cast wheels compromise the delicate chassis balance and suspension geometry of the roadster.
Owners must prepare for significant ride harshness using these low-profile Tri-Ace rubber compounds. Proper coilover adjustment remains vital to prevent severe tire rubbing against the factory arches.
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BMW Z4 Roadster 3.0si 2006 on Forgestar F14 Wheels





This BMW Z4 Roadster 3.0si 2006 is running 19×10 / 19×11-inch Forgestar F14 wheels finished in Gunmetal. Paired with Achilles ATR Sport 225/35 25.2″x8.9″ / 255/35 26″x10″ tires. Suspension is Air Suspension.
Wheel Specs
- Brand: Forgestar
- Model: F14
- Size: 19×10 / 19×11
- Offset: 20 / 27
- Finish: Gunmetal
- Tires: Achilles ATR Sport 225/35 25.2″x8.9″ / 255/35 26″x10″
- Suspension: Air Suspension
The 2006 BMW Z4 3.0si aggressively commands attention with its dramatic low-slung stance. Custom air suspension transforms the roadster into a striking piece of kinetic sculpture.
Massive 19-inch Forgestar F14 wheels tuck perfectly beneath the sculpted, widened fenders. This gunmetal setup proves that modern modification elevates classic Bavarian design beyond its factory roots.
Achilles tires wrap the wheels, bridging the gap between functional performance and aggressive aesthetic intent. This build defines the perfect intersection of elegant German engineering and unapologetic street presence.
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BMW Z4 Roadster 3.0si 2006 on Enkei RPF1 Wheels



This BMW Z4 Roadster 3.0si 2006 is running 18×8.5 / 18×8.5-inch Enkei RPF1 wheels finished in Silver. Paired with Continental Control Contact Sport Srs 225/40 25.1″x8.9″ / 225/40 25.1″x8.9″ tires. Suspension is Stock.
Wheel Specs
- Brand: Enkei
- Model: RPF1
- Size: 18×8.5 / 18×8.5
- Offset: 40 / 40
- Finish: Silver
- Tires: Continental Control Contact Sport Srs 225/40 25.1″x8.9″ / 225/40 25.1″x8.9″
- Suspension: Stock
The Enkei RPF1 spoke geometry perfectly complements the Z4 chassis proportions. These lightweight wheels provide excellent brake clearance for the stock 3.0si calipers.
This square setup improves turn-in response while keeping tire costs manageable. The flush fitment enhances the aggressive stance without compromising stock suspension geometry.
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