How M Roadster and M Coupe differ from Z4 Roadster 3.0si and Z4 Coupe 3.0si Performance & efficiency • 3.2-liter BMW M S54 inline 6-cylinder engine, 330 hp; vs. 3.0-liter N52 inline 6-cylinder engine, 255 hp • 0-60 in 4.9 sec., vs. Z4’s 5.6 sec. with manual transmission Handling, ride & braking • M Variable Differential Lock • Dynamic Stability Control with specific M logic • Modified front suspension with – • Wider track • Newly configured lower arms • New steering knuckles, bolted to struts • Modified rear suspension with – • Larger, stronger subframe • High performance wheel bearings, Central Links and anti-roll-bar configuration How M Roadster and M Coupe differ from Z4 Roadster 3.0si and Z4 Coupe 3.0si – Handling, ride & braking (cont.) • M-specific ride height and suspension calibration • Specific hydraulically-assisted steering (Z4: electric power steering) • Compound, cross-drilled 4-wheel ventilated disc brakes with larger dimensions • 18-in. M Double Spoke wheels with differentiated front/rear sizes and performance tires (Z4: 18-in. available in Sport Package, M Roadster and M Coupe rear wheels wider than Z4’s) • M Mobility System for temporary tire repairs (Z4: run-flat tires) Exterior design & function • Front bumper apron with large air intakes for cooling front brakes and engine • Standard Xenon headlights (Z4: optional) • Standard headlight cleaning system (Z4: optional) • M logo on body sides and trunklid • Diffusor and 4 stainless steel exhaust tips under rear bumper • M-specific paint colors available Ergonomics, luxury & convenience • Fully automatic power softtop for Roadster standard (Z4: optional) • Higher-grade Nappa leather standard in M Roadster and M Coupe; Full leather treatment optional • Specific trim materials and finishes throughout M interior • Special M instrumentation Options • Premium Package has different contents from that of Z4 3.0si Performance & efficiency features • 3.2-liter DOHC 24-valve inline 6-cylinder engine high-pressure VANOS variable valve timing, 6 individual throttles, semi-dry-sump lubrication, low-back-pressure exhaust system and other features • 6-speed manual transmission with heavy-duty clutch • High-rigidity roadster and coupe body/chassis unit with aluminum hood • BMW M strut-type front suspension with forged-aluminum lower arms M Roadster and M Coupe key features – (cont.) Handling, ride & braking features • BMW M-modified rear suspension with aluminum upper transverse links • Engine-speed-sensitive hydraulic power steering • 4-wheel compound/cross-drilled, ventilated disc brakes • M Variable Differential Lock • M-calibrated Dynamic Stability Control (traction and stability system) • 18-in. M Double Spoke wheels and performance tires in differentiated front/rear sizes • Tire Pressure Monitor Exterior design & function • Unique Roadster and Coupe designs, featuring interplay of convex and concave surfaces, traditional and contemporary style elements; extensive BMW M design and funtional features distinguish M Roadster and M Coupe from Z4 models • Xenon headlights with auto-leveling, high-intensity headlight cleaning system • Adaptive Brake Lights (illumination increases with harder braking) • Rain-sensing windshield wipers • Heated exterior mirrors and windshield-washer jets • Automatic Roadster power softtop with interior lining and heated glass rear window Ergonomics, luxury & convenience features • Vehicle and Key Memory • Keyless entry with multi-function remote • Dual power exterior mirrors • Automatic headlight control (switches on headlights and related lighting when ambient light drops below a certain level) • Leather-covered tilt/telescopic M sport steering wheel with stitching in M colors, fingertip audio controls • 8-way adjustable sport seats • Outside-temperature display • Power windows with 1-touch open/close, power sealing system • Automatic climate control with activated-charcoal microfilter ventilation • Anti-theft AM/FM/CD audio system with Radio Data System, 10 speakers • Pre-wiring for phone and CD changer • Variable softtop compartment (for Roadster) Safety & security • Front-impact Supplementary Restraint System with 2-stage Smart Airbags • Automatic safety-belt tensioners and force limiters • Active Knee Protection • Seat-occupation detection on passenger’s seat • LATCH attachment of child-restraint safety seat to passenger’s seat • Passenger-airbag de-activation switch and indicator • Side-impact airbags • Rollover Protection (for Roadster) • Battery Safety Terminal • Central locking system • Coded Driveaway Protection (immobilizer system) • Pre-wiring for alarm system Factory-installed options – Package • Premium Package: • Auto-dimming interior and exterior mirrors • 8-way power sport seats with driver’s-seat memory • Cruise control • Premium Sound System (THX Certified) • Interior storage package • BMW Assist with 4-year subscription (previously 1-year subscription) Stand-alone options • Metallic paint • Wide range of upholstery and interior trim options • 8-way power sport seats with driver’s-seat memory • Heated seats • On-board Navigation System with DVD database • Preparation for removable hardtop • BMW Assist • HD Radio with multicasting reception capability • Removable hardtop (for Roadster) • Alarm system • SIRIUS Satellite Radio BMW center-installed accessories • iPod adapter kit • 6-disc CD changer • Wind deflector (for Roadster) • Trunk-mount carrier rack and accessories (for Roadster) …and more |