BMW

BMW 8 SERIES CONVERTIBLE M850i xDrive 2dr Auto [Ultimate Pack]

Fuel

FuelPetrol

Transmission

TransmissionAutomatic

Acceleration

0 - 62 mph4s

WLTP - CO2 (g/km)

WLTP - CO2246 g/km

BMW's 8 Series Convertible is a properly desirable luxury GT cabrio that's more affordable both to buy and to run than its closest rivals, cabriolet versions of the Mercedes' S-Class and Porsche's 911. It may not be an out-and-out sports car, but it's the finest open-topped car of this kind that the Munich marque has yet made.

AN 8 THAT'S GREAT

BMW's 8 Series Convertible is a big step forward from its predecessor, thinks Jonathan Crouch

Ten Second Review

BMW's 8 Series Convertible is a properly desirable luxury GT cabrio that's more affordable both to buy and to run than its closest rivals, cabriolet versions of the Mercedes' S-Class and Porsche's 911. It may not be an out-and-out sports car, but it's the finest open-topped car of this kind that the Munich marque has yet made.

Background

If every BMW is still to be the 'Ultimate Driving Machine' promised by the advertising, then that slogan must mean many things. Sharp, rewarding handling for most is what this brand is all about but in some market segments, other virtues are just as important. Take up-market large luxury convertibles. Cars like Mercedes' S-Class Cabriolet and the Porsche 911 Cabriolet are all about Grand Touring - fast, stylish cruising, something BMW has more experience in providing than you might expect, with a product heritage in such cars stretching all the way back to the 327 Sports Convertible of the late Thirties. And all the way forward to this car, the 8 Series Convertible. This model's predecessor, the 6 series Convertible, was a relatively rare sight on British roads. Despite a hefty price tag, it offered performance, rear seat room and boot space all little better than a BMW 4 Series Convertible costing half as much. It was a car that sold on cachet - and that wasn't enough to tempt significant numbers of wealthy buyers from their Mercedes, Jaguar and Porsche models. This 8 Series model though, is a different proposition.

Driving Experience

At the end of a day spent in pursuit of the kind of business that makes possible the purchase of a car like this, you want to be rewarded on your route home by a gloriously emotive soundtrack when you fire the engine and nose out into the traffic. That's certainly delivered by the M850i version, along with an alfresco driving experience free, as you would expect, from all the roof-down buffeting and bodyshake that you'd get in a cheaper convertible. Which means that you'll be tempted to lower the roof more of the time, especially as it can be done in just 15s at speeds of up to 31mph. Raising it again cocoons you in a cabin almost as refined as you'd find in the alternative Coupe and four-door Gran Coupe models that BMW also offers in the 8 Series range. Unfortunately, the ride is somewhat firmer than some will want. And of course, it's fast. Even in the base 840d xDrive diesel variant, you've a 320hp in-line six cylinder petrol unit capable of sixty from rest in just 5.2s on the way to a top speed that would be well into the lock-you-up-and-throw-away-the-key area of licence confiscation were it not for a limiter that cuts in a 155mph. There's also a rear-driven 340hp petrol 840i sDrive variant. Otherwise, this car comes with a 4.4-litre twin turbo petrol V8, developing either 530hp in the M850i or a stonking 625hp in the top M8 Competition variant. All the powerplants on offer are torquey, with more than enough pulling power to make unnecessary as many as eight ratios in the ZF automatic gearbox. Use them and you can access performance that in the case of the M850i will catapult you to 62mph from rest in a Porsche-worrying 3.9s. The M8 Competition trims that to 3.3s. Toupees will need to be very firmly tied down.

Design and Build

As you'd expect, the dimensions of this 8 Series Convertible body style match those of the 8 Series Coupe almost exactly. More of a surprise is that the weight of this open-topped variant isn't very much different either. A focus on body rigidity in the development of the 8 Series platform meant that only a small number of additional cabrio-specific and weight-increasing measures were required for this Convertible design. The roof is lightweight and provides superb acoustic insulation. When closed, it sits taut over the interior, thus retaining its coupe-like silhouette without compromising on design. A wind defector is standard. This can be set up in the rear-seat area to reduce turbulence when the roof is down. When not required it can be folded to half its size and stowed in the boot. Neck warmers integrated in the front-seat head restraints are also standard. There's very little back seat space but the rear-seat backrest can be split 50:50 and, thanks to this through-loading facility, the capacity of the luggage compartment can be extended as required. With the soft-top closed, the stowage capacity is 350-litres. When the roof is open though, your luggage space falls to only 280-litres.

Market and Model

Pricing starts at around £79,000 for the 840i sDrive, rising to around £83,500 for the 320hp diesel 840d xDrive, around £107,000 for the 530hp M850i xDrive and around £131,000 for the 625hp M8. Expect all the usual executive luxuries of course - leather upholstery and the BMW Live Cockpit Professional package, which gives you a 12.3-inch instrument binnacle dial display and a 10.25-inch centre-dash infotainment screen. All 8 Series Convertible models get xDrive 4WD, Adaptive M suspension and 'Integral Active Steering', which turns the rear wheels in either the same direction as the front wheels or the opposite direction (depending on vehicle speed). This allows for effortless lane changes, helps you dart through city traffic and facilitates a tighter turning circle with easier parking. Plus there's an M Sport braking system and you get the 'Sport' version of BMW's smooth-shifting 8-speed automatic paddleshift transmission, which means that Launch Control is standard.

Cost of Ownership

Just because you're spending £85,000-£130,000 on your luxury convertible, it doesn't mean you'll be paying through the nose to keep it on the road. Even the M850i with its turbocharged petrol V8 is capable of up to 24.8mpg (WLTP) and combined CO2 emissions of 228g/km (NEDC). The 840d diesel improves that to 39.8mpg and 161g/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. With this, after a one-off payment, you'll have the peace of mind of knowing that all normal work on the car has been paid for during this period, including items such as oil, spark plugs and filters. On to the warranty package. BMW offers a warranty that lasts for three years, no matter how many miles you complete. You can also insure your car through BMW, though as most 8s will be funded with company money through a lease deal, this brokerage fees are likely to be bundled into that.

Summary

There are only two ways I could really imagine anyone being disappointed by this BMW. If you expect it to be an out-and-out sports car. Or if you can't afford it. The first is unrealistic. Buy a car of this kind and you're buying a Grand Tourer. That's what the target market wants. And this 8 Series is very good indeed at GT motoring. Yet at the same time, significantly more dynamically able than its 6 Series predecessor if you should want to start throwing it about. As for the prices, yes they're high but realistically you can't really have any complaints about that either, given that rival brands are asking similar sums. Bigger, faster and sleeker than before, for me it's the most desirable convertible the Bavarian brand has ever made. A car you could comfortably choose over a comparable Porsche, Mercedes or Maserati? You'd better believe it.

  • Heated windscreen washer jets
  • Climate comfort windscreen
  • Rain sensor with automatic headlight activation
  • Thermally insulated windscreen
  • Front electric windows

  • Front and rear brake discs with interior ventilation
  • Electromechanical parking brake with automatic drive away release and auto hold function
  • Anti-lock Brake System and Electronic Brakeforce Distribution
  • DSC - Dynamic Stability Control
  • CBC - (Cornering brake control)
  • Dynamic brake control
  • Dynamic Traction Control - DTC
  • Hill start assist

  • Velour floormats

  • Double wishbone front axle
  • Adaptive M suspension professional
  • Dynamic Damper Control

  • Enhanced bluetooth with wireless charging

  • Parking Assistant Plus with 360 degree surround view camera
  • Integral active steering
  • Drive experience control with Sport, Comfort, Eco Pro and Adaptive modes

  • Powered tailgate operation

  • Instrument and upper door panel in walknappa leather
  • BMW Live Cockpit Professional sat nav system with intelligent personal assistant, voice control, gesture control
  • BMW Drive recorder
  • Integrated owners handbook
  • Oil sensor for level and grade
  • BMW legal emergency call
  • iDrive touch controller with shortcut buttons
  • Condition based service
  • Brake pad wear indicator
  • Check control system
  • On board computer
  • Service interval indicator
  • Head up Display
  • Run flat indicator
  • Outside temperature display
  • BMW Teleservices
  • Wifi hotspot preparation

  • Electrically adjustable, heated, folding exterior mirrors

  • Sport exhaust system
  • Petrol Particulate Filter

  • Favourite buttons
  • TV function plus including reception of digital TV stations
  • Bowers and Wilkins diamond surround sound system
  • DAB Digital radio
  • USB/audio interface

  • Illuminated door handles
  • xDrive designation on left tailgate
  • Model logo on right tailgate
  • Front and rear bumper system with replaceable deformation elements
  • Carbon core
  • Air breather, kidney frame and kidney struts, model designation on side and rear in cerium grey
  • Chrome M designation on front side panel, left and right
  • Front apron with spoiler lip on bumper

  • Third LED technology brake light in tailgate
  • BMW Laserlights
  • High beam assistant
  • Follow me home headlight function
  • Welcome lights in interior and door handle area
  • Dynamic brake lights
  • LED rear lights

  • Microfilter and active carbon filter
  • Automatic air conditioning with 2-zone control
  • Air collar neck heating

  • Fully automatic and lined softtop

  • M Pedals
  • Steering column with adjustable height and length and activation via control on the steering column
  • M leather steering wheel including multifunction controls
  • Illuminated M door sill finishers
  • Frameless interior mirror
  • 2 cup holders in front
  • CraftedClarity glass application for interior elements
  • Lockable glove compartment with light
  • Soft close doors
  • 2 X front 12v power sockets

  • Front reading lights
  • Front entry lights doors
  • Dynamic ambient interior lighting

  • Driving assistant professional pack - 8 Series
  • Front heat comfort pack - 8 Series
  • M Aerodynamics pack - 8 Series
  • Connected professional pack - 8 Series

  • Active front seat headrests
  • Airbags - Driver and front passenger airbag with seat occupancy detection, knee, side and front passenger seat airbag deactivation
  • Crash sensor activating central locking release, hazard warning lights, fuel cut off, interior lighting, safety battery terminal clamp and airbags
  • Front three point with pyrotechnical belt latch tensioner seat belts, belt force limiter and belt stopper
  • Rear three point with pyrotechnical belt latch tensioner seat belts and belt force limiter
  • Roll over protection system
  • Warning triangle and first aid kit
  • Side impact protection
  • Two tone horn
  • Fuel supply cut off
  • Child seat ISOFIX attachment rear outer seats
  • M Seatbelts
  • Active protection
  • Tyre pressure monitoring system (TPMS)

  • Front seat heating
  • Electric front seat adjustment with driver memory
  • Front seat ventilation
  • 50/50 split folding rear seat
  • 2 rear head restraints

  • Locking wheel bolts
  • Centre lock switch
  • Comfort access system
  • Closing system with central locking
  • Keyless engine start
  • Vehicle key with exclusive M designation
  • Alarm system (Thatcham 1) with electronic engine immobiliser

  • Eight speed sport automatic transmission with gearshift paddle switches
  • M Sport differential

  • Front sun visors with ticket holder and illuminated mirror

  • WLTP - CO2 (g/km) - Low: 418
  • WLTP - CO2 (g/km) - Medium: 257
  • WLTP - CO2 (g/km) - High: 207
  • WLTP - CO2 (g/km) - Extra High: 215
  • WLTP - CO2 (g/km) - Comb: 248
  • WLTP - CO2 (g/km) - Low - Min: 417
  • WLTP - CO2 (g/km) - Low - Max: 418
  • WLTP - CO2 (g/km) - Medium - Min: 253
  • WLTP - CO2 (g/km) - Medium - Max: 257
  • WLTP - CO2 (g/km) - High - Min: 204
  • WLTP - CO2 (g/km) - High - Max: 207
  • WLTP - CO2 (g/km) - Extra High - Min: 213
  • WLTP - CO2 (g/km) - Extra High - Max: 215
  • WLTP - CO2 (g/km) - Comb - Max: 248
  • WLTP - CO2 (g/km) - Comb - Min: 246
  • CO2 (g/km): 231
  • Standard Euro Emissions: EURO 6
  • NOx: 0.015
  • HC+NOx: N
  • Particles: N

  • Engine Code: N63B44T3
  • Cylinders - Bore (mm): 89
  • Cylinders - Stroke (mm): 88.3
  • CC: 4395
  • Cylinders: 8
  • Cylinder Layout: IN-LINE
  • Number of Valves: 32
  • Camshaft: DOHC
  • Fuel Delivery: TWIN TURBO
  • Catalytic Convertor: True
  • Engine Layout: NORTH SOUTH
  • Compression Ratio: 10.5:1
  • Transmission: SEMI-AUTO
  • Gears: 8 SPEED

  • EC Directive 1999/100/EC Applies: False
  • EC Urban (mpg): 20.8
  • EC Extra Urban (mpg): 35.3
  • EC Combined (mpg): 28.2
  • WLTP - MPG - Low: 15.4
  • WLTP - MPG - Medium: 25
  • WLTP - MPG - High: 31
  • WLTP - MPG - Extra High: 30.1
  • WLTP - MPG - Comb: 25.9
  • WLTP - MPG - Low - Min: 15.4
  • WLTP - MPG - Low - Max: 15.4
  • WLTP - MPG - Medium - Min: 25.4
  • WLTP - MPG - Medium - Max: 25.0
  • WLTP - MPG - High - Min: 31.7
  • WLTP - MPG - High - Max: 31
  • WLTP - MPG - Extra High - Min: 30.4
  • WLTP - MPG - Extra High - Max: 30.1
  • WLTP - MPG - Comb - Min: 26.2
  • WLTP - MPG - Comb - Max: 25.9
  • WLTP - FC (l/100km) - Low: 18.3
  • WLTP - FC (l/100km) - Medium: 11.3
  • WLTP - FC (l/100km) - High: 9.1
  • WLTP - FC (l/100km) - Extra High: 9.4
  • WLTP - FC (l/100km) - Comb: 10.9
  • WLTP - FC (l/100km) - Low - Min: 18.3
  • WLTP - FC (l/100km) - Low - Max: 18.3
  • WLTP - FC (l/100km) - Medium - Min: 11.1
  • WLTP - FC (l/100km) - Medium - Max: 11.3
  • WLTP - FC (l/100km) - High - Min: 8.9
  • WLTP - FC (l/100km) - High - Max: 9.1
  • WLTP - FC (l/100km) - Extra High - Min: 9.3
  • WLTP - FC (l/100km) - Extra High - Max: 9.4
  • WLTP - FC (l/100km) - Comb - Min: 10.8
  • WLTP - FC (l/100km) - Comb - Max: 10.9

  • Generation Mark: 2
  • Alternative Fuel Qualifying: False
  • Did at least one aspect of this vehicle's safety give cause for concern?: False
  • Service Interval Mileage: 15500
  • Service Interval Frequency - Months: 24
  • NCAP Adult Occupant Protection %: N
  • NCAP Child Occupant Protection %: N
  • NCAP Pedestrian Protection %: N
  • NCAP Safety Assist %: N
  • NCAP Overall Rating - Effective February 09: N
  • Badge Power: 530
  • Badge Engine CC: 4.4
  • Vehicle Homologation Class: M1
  • Special Edition: False
  • Special Order: False
  • Based On ID: N
  • Insurance Group 1 - 50 Effective January 07: 50E
  • Coin Series: M850 [Ultimate Pack]
  • Coin Description: i xDrive

  • Engine Power - BHP: 530
  • Engine Power - PS: True
  • 0 to 60 mph (secs): False
  • 0 to 62 mph (secs): 4
  • Top Speed: 155
  • Engine Power - KW: 390
  • Engine Power - RPM: 5500
  • Engine Torque - LBS.FT: 553
  • Engine Torque - NM: 750
  • Engine Torque - RPM: 1800
  • Engine Torque - MKG: 76.5

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

  • Tyre Size Rear: 275/30 R20
  • Tyre Size Spare: TYRE REPAIR KIT
  • Wheel Type: 20" ALLOY
  • Tyre Size Front: 245/35 R20
  • Alloys?: True
  • Space Saver?: False
  • Wheel Style: Y SPOKE STYLE 728M

  • Width (including mirrors): 2137
  • Height: 1345
  • Height (including roof rails): N
  • Length: 4851
  • Width: 1902
  • Wheelbase: 2822

  • Minimum Kerbweight: 2050
  • Gross Vehicle Weight: 2515
  • Fuel Tank Capacity (Litres): 68
  • Luggage Capacity (Seats Up): 350
  • No. of Seats: 4
  • Max. Roof Load: N
  • Luggage Capacity (Seats Down): N
  • Turning Circle - Kerb to Kerb: 11.9
  • Max. Loading Weight: 465

  • 19" M Sport braking system with blue painted brake calipers with M designation: Included
  • M Sport brake in black high gloss with black calipers M designation: £0

  • BMW Individual fine wood ash black silver interior trim with high gloss finish: £250
  • Carbon fibre interior trim finishers: £450
  • BMW Individual piano black trim with highlight trim finishers: £250
  • Fine wood ash grain grey interior trim with metallic high gloss finish: £200
  • Stainless steel fabric interior trim finishers: Included

  • Solid paint: £0
  • Metallic paint: Included
  • BMW Individual high-gloss shadow line with extended contents: Included
  • BMW Individual paintwork: £1,065
  • Individual Frozen paint: £2,450
  • High gloss shadowline exterior: Included
  • Chrome line exterior with body colour mirror caps: £0

  • Individual soft top - Bordeaux red: £4,445
  • Individual soft top - Marine blue: £4,445
  • Individual soft top - Brown: £4,445
  • Soft top - Anthracite silver fleck: £350
  • Soft top - Black: £0

  • Extended Merino leather upholstery: Included
  • BMW Individual extended merino leather upholstery - I: £0
  • BMW Individual extended merino leather upholstery - II: £500
  • BMW Individual full merino leather upholstery - I: £3,250
  • BMW Individual full merino leather upholstery - II: £3,750
  • BMW Individual full merino leather upholstery - III: £4,950

  • M Carbon exterior package without carbon blade - 8 Series: Included

  • Metallic - Mineral white: £0
  • Metallic - Carbon black: £0
  • Metallic - Sunset orange: £0
  • Metallic - Bluestone: £0
  • Metallic - Black sapphire: £0
  • Metallic - Barcelona blue: £0
  • Metallic - Dravit grey: £0

  • Solid - Alpine white: £0

  • BMW Individual metallic paint - Aventurine red: £1,065
  • BMW Individual metallic paint - Tanzanite blue: £1,065
  • IIndividual frozen metallic paint - Frozen bluestone: £2,450

  • Multifunctional sport seats for driver and front passenger: Included
  • Front M Sport seats: £1,295

  • BMW Individual full merino leather I - Black/Black world: £3,250
  • BMW Individual full merino leather I - Ivory white/Ivory white world: £3,250
  • BMW Individual full merino leather II - Fiona red/Black with Black world: £3,750
  • BMW Individual full merino leather II - Night blue/Black with Black world: £3,750
  • BMW Individual full merino leather III - Ivory white/Night blue with Black world: £4,950
  • Extended merino leather - Black M piping/Black world: £0
  • BMW Individual extended merino leather I - Ivory white/Ivory white world: £0
  • BMW Individual extended merino leather I - Cognac/Black world: £0
  • BMW Individual extended merino leather I - Black/Black world: £0
  • BMW Individual extended merino leather II - Night blue/Black with Black world: £500
  • BMW Individual extended merino leather II - Tartufo/Black with Black world: £500
  • BMW Individual extended merino leather II - Fiona red/Black with Black world: £500

  • Run flat tyres: £0

  • 20" Y spoke M light alloy wheels with mixed performance tyres in bicolour cerium grey - style 728M: Included
  • 20" Y spoke M light alloy wheels with run flat mixed tyres in bicolour cerium grey - style 728M: £0
  • 20" Multi spoke M light alloy wheels with run flat mixed tyres in bicolour - style 729M: £0
  • 20" Y spoke M light alloy wheels with mixed performance tyres in bicolour - style 728M: £0
  • 20" Y spoke M light alloy wheels with mixed performance tyres in jet black - style 728M: £0
  • 20" individual V spoke light alloy wheels with run flat mixed tyres - style 730l: £0

  • Tyre repair kit: Included

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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