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

BMW Z4 sDrive 20i M Sport 2dr Auto [Tech Pack]
BMW Z4 sDrive 20i M Sport 2dr Auto [Tech Pack]
BMW Z4 sDrive 20i M Sport 2dr Auto [Tech Pack]
BMW Z4 sDrive 20i M Sport 2dr Auto [Tech Pack]
BMW Z4 sDrive 20i M Sport 2dr Auto [Tech Pack]
BMW Z4 sDrive 20i M Sport 2dr Auto [Tech Pack]
BMW Z4 sDrive 20i M Sport 2dr Auto [Tech Pack]
BMW Z4 sDrive 20i M Sport 2dr Auto [Tech Pack]
BMW Z4 sDrive 20i M Sport 2dr Auto [Tech Pack]
*images for illustrative purposes only.
BMW Z4 sDrive 20i M Sport 2dr Auto [Tech Pack]
BMW Z4 sDrive 20i M Sport 2dr Auto [Tech Pack]
BMW Z4 sDrive 20i M Sport 2dr Auto [Tech Pack]
BMW Z4 sDrive 20i M Sport 2dr Auto [Tech Pack]
BMW Z4 sDrive 20i M Sport 2dr Auto [Tech Pack]
BMW Z4 sDrive 20i M Sport 2dr Auto [Tech Pack]
BMW Z4 sDrive 20i M Sport 2dr Auto [Tech Pack]
BMW Z4 sDrive 20i M Sport 2dr Auto [Tech Pack]
BMW Z4 sDrive 20i M Sport 2dr Auto [Tech Pack]

Key Info Compare

  • FuelPetrol
  • TransmissionAutomatic
  • MPG46.30
  • 0-62mph6.6 secs
  • Top Speed149 mph
  • C02139 g/km
  • BHP197
  • Torque236 lbs/f
  • P11D31%


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.

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


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.


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.

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Driver Convenience
Cruise control with brake function
Active Guard
Auto start-stop
BMW ConnectedDrive online services
BMW emergency call
BMW Live Cockpit Professional with 10.25" high resolution instrument and control display
BMW Teleservices
Electric power steering
Fuel gauge
Instrument cluster
Oil sensor for level and grade, warning by check control system
Oil temperature gauge
Optimum shift indicator
Pull away assistant
Run flat indicator
Speedometer with mph readout
Variable sport steering
Exterior Features
Low and high beam headlights in Bi-LED
Soft top - Black
Solid paint
Automatic headlight beam throw control with load dependent regulating reaction, dynamic compensation of braking dive and acceleration squat
Door sill finishers with M designation
Door sill strips
Dynamic braking lights comprising activated hazard warning flashers and third brake lights
Electric heated rear window
Exhaust tailpipe - split left and right
Exterior mirror housing finish in body colour
Exterior mirrors - electrically folding with anti-dazzle
Fingertip control / anti-trap function on electric window
Follow me home headlight function
Front and rear bumper system
Green tinted heat protection glazing
Heated windscreen washer jets
High gloss shadow line
Interior rear view mirror with automatic anti dazzle function
Kidney grille in mesh design
LED daytime driving lights
LED Indicators
LED rear lights
Lightweight engineering
M aerodynamic body kit
Matt black window recess finisher
Model logo
Preparation for high beam assistant
Tailgate release handle
Two stage brake force display
Visible VIN plate
Windscreen wipers with adjustable interval
Aluminium tetragon interior trim
Sensatec instrument panel
USB connection
Interior Features
12V power socket in front storage compartment
Activation of interior lighting
Ambient lighting
Battery in luggage compartment
Child seat ISOFIX attachments for passenger seat
Driver and front passenger heated seats
Extended storage - Z4 - 4 lashing eyes, storage net, 2 hooks and strap
Front and rear velour floor mats
Front headrests
Height adjustable mechanically and infinitely variable steering column
M leather steering wheel
M Sport seats for driver and passenger
Microfilter and active carbon filter
Sunvisors with vanity mirrors
Two zone automatic air conditioning
Vernasca leather upholstery
Welcome lighting
Connected package professional - Z4
Technology package - Z4
3 point front seat belts
Airbags - Front driver and passenger, front and side impact protection
Anti lock braking system (ABS) with brake assist
Automatic Stability Control (ASC)
Brake energy regeneration
Braking readiness
CBC - (Cornering brake control)
Crash Sensor - activates hazard/interior lighting + unlocks doors
Deactivation of fuel pump in the event of a crash
Dry braking
Dynamic brake control
Dynamic stability control + (DSC+)
Dynamic Traction Control - DTC
Electromechanical parking brake with automatic drive away release and auto hold function
Front and rear brake discs with interior ventilation
Plastic fuel tank
Pyrotechnic seat belt tensioners
Roll over protection
Seat belt force limiter
Seat occupancy protection
Two tone horn
Tyre pressure monitoring with three level warning strategy
Centre lock switch
Closing system with central locking
Electronic vehicle immobiliser
Start/stop button with Comfort Go keyless engine start and auto Start/stop deactivation button
Thatcham cat 1 remote alarm
Double joint spring
Double VANOS
Drive performance control with ECO PRO comfort + sport mode
Eight speed steptronic sport transmission, with gearshift paddles
Electronic differential lock
Fuel tank breather system
High precision injection
M sport suspension
Safety battery terminal clamp
18" Double spoke M light alloy wheels in bicolour ferric grey - style 798M
BMW Mobility Kit
Reduced rolling resistance tyres
Emissions - ICE
CO2 (g/km) 139
Standard Euro Emissions EURO 6
WLTP - CO2 (g/km) - Comb 161
WLTP - CO2 (g/km) - Comb - Max 163
WLTP - CO2 (g/km) - Comb - Min 160
WLTP - CO2 (g/km) - Extra High 155
WLTP - CO2 (g/km) - Extra High - Max 158
WLTP - CO2 (g/km) - Extra High - Min 155
WLTP - CO2 (g/km) - High 140
WLTP - CO2 (g/km) - High - Max 142
WLTP - CO2 (g/km) - High - Min 140
WLTP - CO2 (g/km) - Low 224
WLTP - CO2 (g/km) - Low - Max 227
WLTP - CO2 (g/km) - Low - Min 223
WLTP - CO2 (g/km) - Medium 160
WLTP - CO2 (g/km) - Medium - Max 162
WLTP - CO2 (g/km) - Medium - Min 160
Engine and Drive Train
Camshaft DOHC
Catalytic Convertor Yes
CC 1998
Compression Ratio 10.2:1
Cylinder Layout IN-LINE
Cylinders 4
Cylinders - Bore (mm) 82
Cylinders - Stroke (mm) 94.6
Engine Code B48B20O1
Engine Layout NORTH SOUTH
Fuel Delivery TWIN TURBO
Gears 8 SPEED
Number of Valves 16
Transmission SEMI-AUTO
Fuel Consumption - ICE
EC Combined (mpg) 46.3
EC Directive 1999/100/EC Applies No
EC Extra Urban (mpg) 53.3
EC Urban (mpg) 38.2
WLTP - FC (l/100km) - Comb 7.1
WLTP - FC (l/100km) - Comb - Max 7.2
WLTP - FC (l/100km) - Comb - Min 7
WLTP - FC (l/100km) - Extra High 6.8
WLTP - FC (l/100km) - Extra High - Max 6.9
WLTP - FC (l/100km) - Extra High - Min 6.8
WLTP - FC (l/100km) - High 6.2
WLTP - FC (l/100km) - High - Max 6.2
WLTP - FC (l/100km) - High - Min 6.2
WLTP - FC (l/100km) - Low 9.8
WLTP - FC (l/100km) - Low - Max 10
WLTP - FC (l/100km) - Low - Min 9.8
WLTP - FC (l/100km) - Medium 7
WLTP - FC (l/100km) - Medium - Max 7.1
WLTP - FC (l/100km) - Medium - Min 7
WLTP - MPG - Comb 39.8
WLTP - MPG - Comb - Max 39.2
WLTP - MPG - Comb - Min 40.4
WLTP - MPG - Extra High 41.5
WLTP - MPG - Extra High - Max 40.9
WLTP - MPG - Extra High - Min 41.5
WLTP - MPG - High 45.6
WLTP - MPG - High - Max 45.6
WLTP - MPG - High - Min 45.6
WLTP - MPG - Low 28.8
WLTP - MPG - Low - Max 28.2
WLTP - MPG - Low - Min 28.8
WLTP - MPG - Medium 40.4
WLTP - MPG - Medium - Max 39.8
WLTP - MPG - Medium - Min 40.4
AdBlue No
Alternative Fuel Qualifying No
Badge Engine CC 2.0
Badge Power 197
Coin Description i sDrive
Coin Series M Sport[Tech Pack]
Generation Mark 3
Insurance Group 1 - 50 Effective January 07 31E
NCAP Adult Occupant Protection % 97
NCAP Child Occupant Protection % 87
NCAP Overall Rating - Effective February 09 5
NCAP Pedestrian Protection % 91
NCAP Safety Assist % 76
Did at least one aspect of this vehicle's safety give cause for concern? No
Special Edition No
Special Order No
Standard manufacturers warranty - Mileage Unlimited
Standard manufacturers warranty - Years 3
Vehicle Homologation Class M1
0 to 62 mph (secs) 6.6
Engine Power - BHP 197
Engine Power - KW 145
Engine Power - RPM 4500
Engine Torque - LBS.FT 236
Engine Torque - MKG 32.6
Engine Torque - NM 320
Engine Torque - RPM 1450
Top Speed 149
Test Cycles
Emissions Test Cycle WLTP
RDE Certification Level RDE 2
Alloys? Yes
Space Saver? No
Tyre Size Front 225/45 R18
Tyre Size Rear 255/40 R18
Wheel Type 18" ALLOY
Vehicle Dimensions
Height 1304
Length 4324
Wheelbase 2470
Width 1864
Width (including mirrors) 2024
Weight and Capacities
Fuel Tank Capacity (Litres) 52
Gross Vehicle Weight 1740
Luggage Capacity (Seats Up) 281
Max. Loading Weight 310
Minimum Kerbweight 1430
No. of Seats 2
Turning Circle - Kerb to Kerb 11


Term Annual Mileage Monthly Payment Maintenance
24 months 5,000 miles p/a £589.62 p/m £14.79 p/m
24 months 8,000 miles p/a £604.12 p/m £22.10 p/m
24 months 10,000 miles p/a £613.79 p/m £26.97 p/m
24 months 15,000 miles p/a £637.28 p/m £48.00 p/m
24 months 20,000 miles p/a £660.07 p/m £50.35 p/m
24 months 25,000 miles p/a £680.80 p/m £75.10 p/m
24 months 30,000 miles p/a £700.83 p/m £92.04 p/m
36 months 5,000 miles p/a £484.82 p/m £10.73 p/m
36 months 8,000 miles p/a £497.78 p/m £24.46 p/m
36 months 10,000 miles p/a £506.42 p/m £33.61 p/m
36 months 15,000 miles p/a £529.46 p/m £44.14 p/m
36 months 20,000 miles p/a £551.54 p/m £64.97 p/m
36 months 25,000 miles p/a £569.78 p/m £94.81 p/m
36 months 30,000 miles p/a £588.49 p/m £115.75 p/m
48 months 5,000 miles p/a £442.55 p/m £15.38 p/m
48 months 8,000 miles p/a £455.23 p/m £23.36 p/m
48 months 10,000 miles p/a £463.68 p/m £28.68 p/m
48 months 15,000 miles p/a £484.44 p/m £52.42 p/m
48 months 20,000 miles p/a £504.11 p/m £80.40 p/m
48 months 25,000 miles p/a £519.78 p/m £101.79 p/m
48 months 30,000 miles p/a £539.81 p/m £129.60 p/m
No contract hire deals found. Please call us to discuss your requirements.
* Prices shown based on 6 month initial payment.
Lease Type
Contract Length
Initial Rental
Annual Mileage
Include Maintenance

An excess mileage charge will apply if you exceed the contracted mileage. The exact charge will be confirmed on the official quotation prior to your acceptance to proceed

Selected Options
Optional Extras
Driver Convenience
Active cruise control with stop and go FOC
Driving assistant FOC
Exterior Features
Adaptive LED Headlights FOC
High beam assistant FOC
Metallic paint £670.00
Soft top - Anthracite silver with opening/closing function up to 30mph £250.00
Wind deflector £170.00
Interior Features
Driver + passenger electric lumbar support £265.00
Electrically adjustable front driver and passenger seats with memory FOC
Heated steering wheel £170.00
Through load system £100.00
Comfort package - Z4 £750.00
Comfort plus package - Z4 £1,700.00
Driving assistant package - Z4 £900.00
Visibility package - Z4 £900.00
Metallic - Black sapphire £670.00
Metallic - Misano blue £670.00
Metallic - San Francisco red £670.00
Solid - Alpine white FOC
Comfort access system with smart opener FOC
High gloss black interior trim FOC
Mesh effect aluminium interior trim FOC
Vernasca leather - Black with decorative stitching FOC
Vernasca leather - Cognac with decorative stitching FOC
Vernasca leather - Ivory white with decorative stitching FOC
Vernasca leather - Magma red with decorative stitching FOC
* option prices shown are estimated