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See inside the new 2018 BMW 3-series

Published: 04 May 2018

► New pics inside new BMW 3-series
► Due to be shown in October 2018
► The full skinny on the G20 saloon

Our spies have been poking inside the new 2018 BMW 3-series to reveal our best look yet at the interior of the junior 5-series. Codenamed G20, the new Three sports the latest version of BMW's iDrive 7.0 operating system, which will control all major functions inside the cabin.

But the good news for traditionalists is that physical buttons have not - yet - been banished from the cabin. Heating and stereo controls remain below the wide digital screen atop the dashboard, and the steering wheel is festooned with short-cut switches too (you can order a heated wheel, too, judging by our new spyshots).

Tech detail: read all about BMW iDrive 7.0

CAR magazine's latest spy photos capture the car on test in Germany. Although still disguised, some of the padding hidden beneath the camo is now removed, showing more production-ready bodywork and silhouettes. We get a good look at the latest iteration of BMW's signature 'squircle' twin headlamps too.

BMW 3-series G20: new spy photos of the 2018 saloon

We now know the official launchpad for the new 3-series: insiders confirm it will be revealed to the world at the 2018 Paris motor show in October 2018, so there are still a few more months to wait before the first official pictures emerge, probably scheduled for the summer.

First up is the new 3-series saloon, depicted in CAR magazine's artist's impressions below and in our gallery. Although due to be shown this autumn, the new Three won't in fact go on sale until well into 2019 in right-hand drive, CAR understands, while the Touring estate and other bodystyles (including two-door 4-series) won't be seen until later this decade.

Check out our quick whistle-stop video guide to the new 2019 BMW 3-series at the bottom of this article (hat tip to Bimmerpost for some nice video footage of G20).

And read on for the full lowdown on the benchmark compact exec...

A look inside the cabin of the new G20 BMW 3-series

New spyshots have also given us our best look yet inside the next saloon, including the full digital instrument panel inside the new 3-series, likely to be made available on high-end variants. It aims to close the gap with the new class-leaders, the latest Mercedes-Benz C-class, Audi A4 and new Jaguar XE. Gone are the days of BMW hegemony in this important sector, and they're pulling out all the stops to close the gap.

Interior and cabin of new 2019 BMW 3-series codenamed G20

It's not so long ago that Munich released a facelifted version of today's 3-series, but in this updated scoop dossier we can lift the lid on its successor - the all-new model is coming in autumn 2018. This is BMW's best-selling model worldwide by some margin - it's vital that they gun for class honours.

Our latest spy shots – click on the image above to browse the full gallery – show a plug-in hybrid version testing, with an extra 'fuel cap' in the left front wing, concealing the socket for the charging cable.

Browse BMW 3-series used cars for sale

And if you're interested in the high-performance BMW M3 derivative, codenamed G80 and on sale in 2020, don't miss our separate detailed M3 scoop here. It's designed to bring the fight to the Mercedes-AMG C63 and Audi RS4.

The new 2020 BMW M3, codenamed G80. CAR's artist's impression

CAR has built its own artist's impressions (above) to show how the go-faster 2020 M3 will look, building on the basic 3-series bodyshell with a sporting bodykit wrapped around a water-injected, turbocharged straight six mustering close to 500bhp.

The big news is the addition of all-wheel drive - a first for an M3. Read our full report for the full skinny on the new M3 - it's due to shake up the compact executive sports saloon market in a big way.

Review: we drive the current BMW 3-series 2017

New BMW 3-series design: 'modern without bling, functional yet more emotional'

The current 3-series is aerodynamically efficient and cleverly packaged, if a little generic in the BMW jellymould.

The design needs to move on, insiders admit, and it will do so by redefining the overall proportions, the relation between the more muscular body and the sleeker greenhouse, and the stance which will likely be sportier. Expect a modest refresh: sharper creases, harder edges, more adventurous radii and even tighter cutlines, our Munich moles suggest.

The new 2019 BMW 3-series: specs, prices and on-sale dates in CAR's scoop dossier

Audi has become very good at putting these difficult features into production, and BMW should also be able to machine a more distinct quality touch into the sheet metal of G20.

What helps in this department is the highly flexible new architecture known as CLAR - short for cluster architecture, which is set to form the backbone of all future rear-wheel drive BMWs.

It's not just the new 3-series: we've scooped the new 2019 BMW 8-series too!

Quality: target the same level as Audi and Mercedes-Benz

Forget for one moment planned eye-catchers such as polished wheels, matt paint, LED matrix headlights and motorised grille louvres. These items may be currently en vogue, but the next 3-series is less about equipment-related bling than the car it replaces.

It's more about substance, character, craftsmanship, visual and haptic quality, say our sources. Which is relatively easy to implement but positively expensive to fund, especially for a mid-margin high-volume product like this.

A multitude of accessories and specs such as a 3-series M Sport derivative will allow buyers to personalise their Three; part of the range's appeal is the ability to endlessly tune it to allow for workplace car park posing and hierarchy, after all.

2016 BMW 3-series spy shots

But to close the gap to the competition, BMW must invest in better materials, enhanced specification and higher-quality details such as carpets, rubber seals and sill covers. While G20 will again offer a choice of equipment packs, this time it is safe to expect more content as well as more variety and better value for money.

Expect the option of upgraded sport brakes, power boost for the M pack, bespoke assistance systems and a top-notch infotainment for the luxury model lines.

Efficiency: enter three-cylinder engines and a scalable hybrid

The G20 3-series is all set to undercut the 100g/km CO2 emission mark by introducing the miserly three-cylinder engine to the near-premium segment. While the new 316i will be powered by the 136bhp 1.5-litre unit we know from the 218i, the 316d shares its 122bhp diesel with the Mini Cooper D.

One rung up, the modular 2.0-litre fours are going to account for the lion's share of future 3-series sales.

2016 BMW 3-series spy shots

Other new engines include:

  • 3.0-litre sixes which gain approximately 30bhp in power and 30Nm in torque over the current vintage 
  • 328i is rated at 260bhp
  • 340i six-pot good for 365bhp 
  • 330d and 340d remain loyal to the classic straight six 
  • M3 and M4 straight six, e-chargers and water injection for 500bhp

As far as electromobility goes, we should see at least two plug-in hybrids: - a 1.5-litre version with a 60kW e-motor good for a 30-mile range, and a 2.0-litre model with a 90kW e-motor permitting a 50-mile radius.

Ergonomics: innovative integration of software and hardware

As far as assistance systems go, the new 7-series sets the template for the G30 new 5-series and its little brother, the G20 Three. This car will park itself via remote control, stay in lane or change lanes, overtake self-actingly under certain conditions, brake when required, monitor turns and crossroads, drive semi-autonomously on the autobahn and in stop-and-go traffic at up to 40mph.

2016 BMW 3-series spy shots

Although the cockpit looks familiar, it boasts a variety of fresh TV quality instrument graphics, a more comprehensive head-up display, and a large colour monitor in the centre stack which blends touchscreen access, gesture control and voice activation with the good old iDrive handwheel. Our spy photos suggest the dials will be part physical, part digital - with a large, clear screen nestling between the speedo and tacho instruments.

In hybrid variants, the driving experience switch and the drive mode selector will be combined in a single manettino-style toggle, sources say.

Dynamics: the fusion of a cushier ride with sporty handling

Unlike the C-class and the new 5-series, G20 will not be offered with optional air suspension. But it will get adjustable dampers, switchable anti-roll bars, second-generation active steering and a new torque vectoring system which piggybacks ABS and DSC.

The longer wheelbase, wider track, lower centre of gravity and lighter kerb weight should enhance handling and roadholding, too.

2016 BMW 3-series spy shots

Also on the cards are stronger brakes, reduced-friction wheel bearings, adaptive elastokinematics including track and camber modulation, xDrive AWD with faster torque distribution and aluminium-carbonfibre compound wheels. While xDrive is a box to be ticked by the new 420bhp M350i MPA (M Performance Automobiles) model, M3 and M4 may again stick with two-wheel drive.

How much will the new BMW 3-series cost? Prices are yet to be finalised, but our sources suggest the new 2018/2019 saloon will start at around £27,000. Expect full UK pricing to be announced in late 2018 soon after its world debut in Paris.

Click here for a cheat's guide to all the BMW E, F and G codenames

By Georg Kacher

European editor, secrets uncoverer, futurist, first man behind any wheel

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