BMW

BMW Z4 ROADSTER sDrive 20i M Sport 2dr Auto [Tech Pack]

Fuel

FuelPetrol

Transmission

TransmissionAutomatic

Acceleration

0 - 62 mph6.6s

WLTP - CO2 (g/km)

WLTP - CO2160 g/km

BMW knows a thing or two about roadsters and this third generation Z4 is one of its best. It may not be the sharpest car in its class to drive but on the right day, in the right mood on the right road, you may not care. The engines are efficient and willing, the looks are stunning and the feeling you get behind the wheel still makes you feel twenty years younger. This, it seems, is a Z that might be very hard to catch.

ENOUGH Z?

BMW's back in the roadster market with this third generation Z4. Jonathan Crouch takes a look.

Ten Second Review

BMW knows a thing or two about roadsters and this third generation Z4 is one of its best. It may not be the sharpest car in its class to drive but on the right day, in the right mood on the right road, you may not care. The engines are efficient and willing, the looks are stunning and the feeling you get behind the wheel still makes you feel twenty years younger. This, it seems, is a Z that might be very hard to catch.

Background

It took BMW some time to discover a profitable sweet spot in the roadster segment but the Munich maker got there in the end. Having first brought us an exclusive low volume model in this sector (the Z1 of 1989), the brand finally launched an affordable volume contender (the 'E36'-series Z3 of 1995). That sold well enough to be replaced by the slightly larger and more mature first generation 'E85'-series Z4 in 2002. Which itself was replaced by a second generation metal folding-roof 'E89'-series Z4 design in 2009. With the history lesson completed, let's acquaint you with what we're looking at here, a MK3 'G29'-series Z4 model launched in late 2018 after development shared with the new-era Toyota Supra. It claims to be something its direct predecessor really wasn't - a really serious driver's car. A really serious Porsche 718 Boxster rival. A really serious roadster? Let's find out.

Driving Experience

Sporting BMWs may have been inseparably associated with six cylinder engines down the years but the key powerplants on offer in this 'G29'-series Z4 line-up squirt fuel into the quartet of cylinders boasted by a TwinPower Turbo 2.0-litre unit that's offered in two states of tune. The 197hp sDrive 20i and 258bhp sDrive 30i variants are more powerful than the models they most directly replace; even the sDrive 20i can make 62mph from rest in just 6.6s on the way to 149mph. At the top of the range, you can have a traditional BMW straight-six unit, courtesy of the 340hp unit fitted to the flagship M40i derivative, which sprints to 62mph in 4.6s and has to be artificially restrained at 155mph. You can talk to your dealer about a manual version of the base sDrive 20i, but otherwise, all variants come fitted with an 8-speed Steptronic Sport auto gearbox with gearshift paddles. You're probably going to want to pay extra for adaptive damping - only the M40i gets it as standard, along with uprated brakes and an electronically controlled differential lock. The way the suspension interacts with the steering, the throttle and the differential is key to the way this car responds dynamically, so proactive use of the provided drive modes is crucial if you're pressing on.

Design and Build

Perhaps the biggest news from a design point of view is the decision to replace the previous model's metal folding roof with a fabric top. The change really was a no-brainer. The new soft roof operates in around ten seconds, about twice as quick as the previous tin top. Plus it lets in less noise on the move and slightly lowers the centre of gravity. More practically, it allows for the same amount of luggage space whether the roof is up or down (265-litres) instead of the previous car's 310-litre roof-up / 180-litre roof-down unhappy compromise. In proper roadster style, there are no rear seats. At the wheel, it's nicer than a 718 Boxster, which is presumably what BMW was aiming at. The level of fit and finish are almost faultless and there's a lot more interior space and storage than you'd expect to find in a roadster. There's also plenty of evidence that the Z4 has entered the digital age. You get the same fully digital instrument cluster that's found on the brand's latest 3 Series and 8 Series models. And a huge 10.25-inch centre-dash iDrive infotainment screen. This features an adaptive navigation system, a hard-drive-based multimedia system, two USB ports, plus Bluetooth and Wi-Fi interfaces.

Market and Model

List prices suggest that, allowing for a few well-chosen extras, you'll probably be paying somewhere in the £37,000 to £50,000 bracket for your Z4. Almost all BMW's business here is done with the four cylinder 2.0-litre petrol engine that powers the sDrive20i and 30i variants, leading to an average Z4 purchase price in the £40,000 to £45,000 bracket. There's an £8,500 step up from the sDrive 30i to the M40i, so you've really got to want that flagship model's six cylinder engine. The list of options includes Active Cruise Control with Stop & Go function, plus there are various Driving Assistant systems, as well as a BMW's 'Parking Assistant' package, including a 'Reversing Assistant' feature that can reverse the car back automatically along the path just taken. This Z4 is also the first roadster to be made available (as an option) with a Head-Up Display. Safety can be given a further boost by opting for the Adaptive LED headlights. And with the optional Comfort or Comfort Plus packages fitted, the soft-top can be operated using the car key. The ambient lighting, fitted as standard, brings a particularly atmospheric mood to the cabin. LED fibre-optic guides light up the instrument panel's accent strips on either side of the steering wheel and provide indirect illumination of the centre console's edging, accentuating the areas of the cockpit of most importance for focused driving.

Cost of Ownership

These days, even barnstorming sports cars need to keep running costs in check while treating the environment with kid gloves. The Z4 does a better job of this than you'd credit for a car in such a lofty performance bracket, mainly thanks the BMW's EfficientDynamics programme. Thanks to this, assuming you keep an eye on the optimal gearshift indicator, you should be able to get somewhere close to a combined cycle fuel figure which for the four cylinder engine is quoted at around 49mpg on the combined cycle, whichever state of tune you order it in - sDrive20i or 30i. And 138g/km of CO2. As for the six cylinder M40i model, well you're looking at 33.2mpg and 165g/km. Routine maintenance is dictated by 'Condition Based Servicing' that monitors oil level and engine wear, taking into account how long it's been and how far the car has travelled since its previous garage visit. To help plan ahead for the cost of regular work, at point of purchase you'll be offered a 'BMW Service Inclusive' package that lasts for three years and 36,000 miles. BMW offers a warranty that lasts for three years, no matter how many miles you complete.

Summary

For the magazines, the definition of success for this MK3 model Z4 will lie in whether it handles just like the equivalent Porsche Boxster. But for most potential owners, that won't be the over-riding priority. BMW has been building roadsters for over 80 years - and it shows with this third generation design, a model that's matured extremely well, slowly and methodically developing into an all-rounder that's tough to beat. In fact, I can't help feeling that this is probably the ideal car of its kind for most potential buyers. True, it isn't the driver's machine that its Porsche rival can be but it gets close enough for many likely customers to start prioritising the lower pricing and nicer cabin that you get with this Munich model. What it all means is that though the Z4 might not be the first car you look at when choosing a sports roadster, look at it you must. It's now just too good not to.

  • Heated windscreen washer jets
  • Fingertip control / anti-trap function on electric window
  • Windscreen wipers with adjustable interval
  • Green tinted heat protection glazing
  • Electric heated rear window

  • Dry braking
  • Front and rear brake discs with interior ventilation
  • Dynamic brake control
  • Dynamic Traction Control - DTC
  • Brake energy regeneration
  • CBC - (Cornering brake control)
  • Automatic Stability Control (ASC)
  • Anti lock braking system (ABS) with brake assist
  • Braking readiness
  • Electromechanical parking brake with automatic drive away release and auto hold function
  • Dynamic stability control + (DSC+)

  • Front and rear velour floor mats

  • M sport suspension
  • Double joint spring
  • Drive performance control with ECO PRO comfort + sport mode

  • Electric power steering
  • Variable sport steering
  • Active Guard

  • Pull away assistant
  • Auto start-stop

  • BMW ConnectedDrive online services
  • BMW Live Cockpit Professional with 10.25" high resolution instrument and control display
  • Oil sensor for level and grade, warning by check control system
  • Speedometer with mph readout
  • BMW emergency call
  • BMW Teleservices
  • Instrument cluster
  • Run flat indicator
  • Fuel gauge
  • Tachometer
  • Oil temperature gauge
  • Optimum shift indicator

  • Interior rear view mirror with automatic anti dazzle function
  • Exterior mirrors - electrically folding with anti-dazzle

  • Sensatec instrument panel

  • Double VANOS
  • Safety battery terminal clamp
  • High precision injection
  • Fuel tank breather system

  • USB connection

  • Visible VIN plate
  • Front and rear bumper system
  • Exterior mirror housing finish in body colour
  • Door sill finishers with M designation
  • Exhaust tailpipe - split left and right
  • Kidney grille in mesh design
  • Dynamic braking lights comprising activated hazard warning flashers and third brake lights
  • M aerodynamic body kit
  • Tailgate release handle
  • High gloss shadow line
  • Model logo
  • Door sill strips
  • Lightweight engineering
  • Matt black window recess finisher

  • Preparation for high beam assistant
  • LED daytime driving lights
  • Two stage brake force display
  • Follow me home headlight function
  • LED Indicators
  • Automatic headlight beam throw control with load dependent regulating reaction, dynamic compensation of braking dive and acceleration squat
  • LED rear lights

  • Microfilter and active carbon filter
  • Two zone automatic air conditioning

  • Extended storage - Z4 - 4 lashing eyes, storage net, 2 hooks and strap
  • Battery in luggage compartment
  • 12V power socket in front storage compartment
  • Height adjustable mechanically and infinitely variable steering column
  • Vernasca leather upholstery
  • M leather steering wheel
  • Cupholder

  • Welcome lighting
  • Ambient lighting
  • Activation of interior lighting

  • Connected package professional - Z4
  • Technology package - Z4

  • Seat occupancy protection
  • Deactivation of fuel pump in the event of a crash
  • Tyre pressure monitoring with three level warning strategy
  • 3 point front seat belts
  • Crash Sensor - activates hazard/interior lighting + unlocks doors
  • Two tone horn
  • Roll over protection
  • Seat belt force limiter
  • Airbags - Front driver and passenger, front and side impact protection
  • Plastic fuel tank
  • Pyrotechnic seat belt tensioners

  • M Sport seats for driver and passenger
  • Front headrests
  • Driver and front passenger heated seats
  • Child seat ISOFIX attachments for passenger seat

  • Start/stop button with Comfort Go keyless engine start and auto Start/stop deactivation button
  • Centre lock switch
  • Thatcham cat 1 remote alarm
  • Closing system with central locking
  • Electronic vehicle immobiliser

  • Electronic differential lock
  • Eight speed steptronic sport transmission, with gearshift paddles

  • Sunvisors with vanity mirrors

  • Reduced rolling resistance tyres

  • 18" Double spoke M light alloy wheels in bicolour ferric grey - style 798M

  • BMW Mobility Kit

  • WLTP - CO2 (g/km) - Low: 224
  • WLTP - CO2 (g/km) - Medium: 160
  • WLTP - CO2 (g/km) - High: 140
  • WLTP - CO2 (g/km) - Extra High: 155
  • WLTP - CO2 (g/km) - Comb: 161
  • WLTP - CO2 (g/km) - Low - Min: 223
  • WLTP - CO2 (g/km) - Low - Max: 227
  • WLTP - CO2 (g/km) - Medium - Min: 160
  • WLTP - CO2 (g/km) - Medium - Max: 162
  • WLTP - CO2 (g/km) - High - Min: 140
  • WLTP - CO2 (g/km) - High - Max: 142
  • WLTP - CO2 (g/km) - Extra High - Min: 155
  • WLTP - CO2 (g/km) - Extra High - Max: 158
  • WLTP - CO2 (g/km) - Comb - Max: 163
  • WLTP - CO2 (g/km) - Comb - Min: 160
  • CO2 (g/km): 139
  • Standard Euro Emissions: EURO 6
  • HC+NOx: N
  • Particles: N

  • Engine Code: B48B20O1
  • Cylinders - Bore (mm): 82
  • Cylinders - Stroke (mm): 94.6
  • CC: 1998
  • Cylinders: 4
  • Cylinder Layout: IN-LINE
  • Number of Valves: 16
  • Camshaft: DOHC
  • Fuel Delivery: TWIN TURBO
  • Catalytic Convertor: True
  • Engine Layout: NORTH SOUTH
  • Compression Ratio: 10.2:1
  • Transmission: SEMI-AUTO
  • Gears: 8 SPEED

  • EC Directive 1999/100/EC Applies: False
  • EC Urban (mpg): 38.2
  • EC Extra Urban (mpg): 53.3
  • EC Combined (mpg): 46.3
  • WLTP - MPG - Low: 28.8
  • WLTP - MPG - Medium: 40.4
  • WLTP - MPG - High: 45.6
  • WLTP - MPG - Extra High: 41.5
  • WLTP - MPG - Comb: 39.8
  • WLTP - MPG - Low - Min: 28.8
  • WLTP - MPG - Low - Max: 28.2
  • WLTP - MPG - Medium - Min: 40.4
  • WLTP - MPG - Medium - Max: 39.8
  • WLTP - MPG - High - Min: 45.6
  • WLTP - MPG - High - Max: 45.6
  • WLTP - MPG - Extra High - Min: 41.5
  • WLTP - MPG - Extra High - Max: 40.9
  • WLTP - MPG - Comb - Min: 40.4
  • WLTP - MPG - Comb - Max: 39.2
  • WLTP - FC (l/100km) - Low: 9.8
  • WLTP - FC (l/100km) - Medium: 7
  • WLTP - FC (l/100km) - High: 6.2
  • WLTP - FC (l/100km) - Extra High: 6.8
  • WLTP - FC (l/100km) - Comb: 7.1
  • WLTP - FC (l/100km) - Low - Min: 9.8
  • WLTP - FC (l/100km) - Low - Max: 10
  • WLTP - FC (l/100km) - Medium - Min: 7
  • WLTP - FC (l/100km) - Medium - Max: 7.1
  • WLTP - FC (l/100km) - High - Min: 6.2
  • WLTP - FC (l/100km) - High - Max: 6.2
  • WLTP - FC (l/100km) - Extra High - Min: 6.8
  • WLTP - FC (l/100km) - Extra High - Max: 6.9
  • WLTP - FC (l/100km) - Comb - Min: 7
  • WLTP - FC (l/100km) - Comb - Max: 7.2

  • Generation Mark: 3
  • Alternative Fuel Qualifying: False
  • Standard manufacturers warranty - Years: 3
  • Standard manufacturers warranty - Mileage: 999999
  • Timing Belt Interval Mileage: N
  • Timing Belt Interval Frequency - Months: N
  • NCAP Adult Occupant Protection %: 97
  • NCAP Child Occupant Protection %: 87
  • NCAP Pedestrian Protection %: 91
  • NCAP Safety Assist %: 76
  • NCAP Overall Rating - Effective February 09: 5
  • Badge Power: 197
  • Badge Engine CC: 2.0
  • Vehicle Homologation Class: M1
  • AdBlue: False
  • Special Edition: False
  • Special Order: False
  • Based On ID: N
  • Insurance Group 1 - 50 Effective January 07: 31E
  • Did at least one aspect of this vehicle's safety give cause for concern?: False
  • Coin Series: M Sport[Tech Pack]
  • Coin Description: i sDrive

  • Engine Power - BHP: 197
  • Engine Power - PS: True
  • 0 to 60 mph (secs): False
  • 0 to 62 mph (secs): 6.6
  • Top Speed: 149
  • Engine Power - KW: 145
  • Engine Power - RPM: 4500
  • Engine Torque - LBS.FT: 236
  • Engine Torque - NM: 320
  • Engine Torque - RPM: 1450
  • Engine Torque - MKG: 32.6

  • Emissions Test Cycle: WLTP
  • RDE Certification Level: RDE 2

  • Tyre Size Rear: 255/40 R18
  • Tyre Size Spare: TYRE REPAIR KIT
  • Wheel Type: 18" ALLOY
  • Tyre Size Front: 225/45 R18
  • Alloys?: True
  • Space Saver?: False
  • Wheel Style: DOUBLE SPOKE STYLE 798M

  • Width (including mirrors): 2024
  • Height: 1304
  • Height (including roof rails): N
  • Length: 4324
  • Width: 1864
  • Wheelbase: 2470

  • Minimum Kerbweight: 1430
  • Gross Vehicle Weight: 1740
  • Fuel Tank Capacity (Litres): 52
  • Luggage Capacity (Seats Up): 281
  • No. of Seats: 2
  • Max. Roof Load: N
  • Luggage Capacity (Seats Down): N
  • Turning Circle - Kerb to Kerb: 11
  • Max. Loading Weight: 310

  • Cruise control with brake function: Included
  • Active cruise control with stop and go: £0
  • Driving assistant: £0

  • Aluminium tetragon interior trim: Included
  • Mesh effect aluminium interior trim: £0
  • High gloss black interior trim: £0

  • Metallic paint: £670
  • Wind deflector: £170
  • Solid paint: Included

  • Low and high beam headlights in Bi-LED: Included
  • Adaptive LED Headlights: £0
  • High beam assistant: £0

  • Soft top - Black: Included
  • Soft top - Anthracite silver with opening/closing function up to 30mph: £250

  • Heated steering wheel: £170
  • Through load system: £100

  • Comfort package - Z4: £750
  • Comfort plus package - Z4: £1,700
  • Visibility package - Z4: £900
  • Driving assistant package - Z4: £900

  • Metallic - San Francisco red: £670
  • Metallic - Black sapphire: £670
  • Metallic - Misano blue: £670

  • Solid - Alpine white: £0

  • Driver + passenger electric lumbar support: £265
  • Electrically adjustable front driver and passenger seats with memory: £0

  • Comfort access system with smart opener: £0

  • Vernasca leather - Black with decorative stitching: £0
  • Vernasca leather - Cognac with decorative stitching: £0
  • Vernasca leather - Ivory white with decorative stitching: £0
  • Vernasca leather - Magma red with decorative stitching: £0

Whilst every effort is made to verify and ensure the accuracy of the data, the information should only be used as a guide and no purchasing decision should be made without verification of the data from either the manufacturer or franchised dealer. Our offers may be on a different model year to that represented by this data and so specification may differ accordingly.

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