2018 BMW 3 Series 3.0 335d M Sport Shadow Edition

Price: £16,250. Good value: £2,023 (11%) under the AskCar estimate of £18,273, our expected asking price for this car from its model, age, mileage and specification, drawing on 6,902 priced BMW 3 Series adverts on AskCar as of 6 November 2026.

AskCar lists 7,204 used BMW 3 Series from 2,726 UK dealerships, as of 6 November 2026.

Overview

  • Make: BMW
  • Model: 3 Series
  • Trim: M Sport Shadow Edition
  • Version: 3.0 335d M Sport Shadow Edition Auto 4WD Euro 6 (s/s) 4dr (309 bhp)
  • Year: 2018
  • Mileage: 73,697 miles
  • Fuel: Diesel
  • Body: Saloon, 4 doors, 5 seats
  • Engine: 3.0 litres, 309 bhp
  • Gearbox: Automatic
  • Drive: Four-wheel drive
  • Colour: White
  • CO2: 145 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

The advertised mileage for this 2018 BMW 3 Series M Sport Shadow Edition is 73,697 miles. Its asking price of £16,250 is £2,023 below the AskCar estimate of £18,273. To work out the AskCar estimate, we analyse UK dealer adverts for 6,902 BMW 3 Series cars across different ages and specifications. Since we first spotted the advert 43 days ago, the asking price has dropped by £1,100. The government's MOT record matches its advertised mileage. It is for sale at Car Planet Barnet in New Southgate. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 6 November 2026.

How we estimate prices and check cars

Price

Good value: £2,023 (11%) under the AskCar estimate of £18,273.

The AskCar estimate is our expected asking price for this car. It uses UK dealer asking prices, accounting for make, model, trim, version, age, mileage, fuel, gearbox, body type, driven wheels, engine size and power. It is an advertised price, not a confirmed sale price.

It draws on 6,902 priced BMW 3 Series adverts across different ages and specifications, as of 6 November 2026.

A 2018 BMW 3 Series with the 3.0 diesel engine is typically advertised at £18,000: the median of the 69 for sale on AskCar, as of 6 November 2026.

Time on sale

This 2018 BMW 3 Series has been on sale for at least 43 days.

Price history

AskCar first saw this advert on 24 September 2026 at £17,350. Its asking price is now £16,250, £1,100 less. The latest price cut was seen on 1 November 2026.

Price changes recorded:

  • 24 September 2026: £17,350
  • 5 October 2026: £17,050
  • 19 October 2026: £16,450
  • 26 October 2026: £16,300
  • 1 November 2026: £16,250

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 6 November 2026: valid until 2 April 2027.

It failed its MOT on 24 March 2026 (windscreen damaged but not adversely affecting driver's view; nearside front anti-roll bar linkage fractured; nearside front shock absorbers has a serious fluid leak; and 1 more) and passed 9 days later, on 2 April 2026.

Advisories at the latest test: nearside front lower suspension arm ball joint has slight play control arm; windscreen damaged but not adversely affecting driver's view.

Mileage at that test: 70,836 miles, which matches the advertised 73,697 miles.

Advertised mileage is about 1,500 miles higher than the median mileage of a 2018 BMW 3 Series on AskCar.

Similar cars

20 other 2018 BMW 3 Series M Sport Shadow Edition 3.0 diesel automatic saloons are for sale at UK dealers, from £9,995 to £22,490, as of 6 November 2026.

The 3 closest to this car in mileage:

  • 2018 BMW 3 Series M Sport Shadow Edition, 3.0 diesel saloon, orange. Mileage: 74,229 miles. Price: £16,995, £745 more than this car. Dealer: Stoneacre in Worksop. AskCar page: https://askcar.co.uk/car/bmw-3-series-2018-b3c5220d84e3
  • 2018 BMW 3 Series M Sport Shadow Edition, 3.0 diesel saloon, black. Mileage: 73,000 miles. Price: £18,999, £2,749 more than this car. Dealer: Prestige Motoring Group in Tipton. AskCar page: https://askcar.co.uk/car/bmw-3-series-2018-c2b87ae10cf6
  • 2018 BMW 3 Series M Sport Shadow Edition, 3.0 diesel saloon, beige. Mileage: 75,000 miles. Price: £16,995, £745 more than this car. Dealer: Driven3 Automotive in Royton. AskCar page: https://askcar.co.uk/car/bmw-3-series-2018-7151e1506fa0
  • The nearest: 2018 BMW 3 Series M Sport Shadow Edition, 3.0 diesel saloon, blue, 12 miles from this car. Mileage: 99,500 miles. Price: £14,399, £1,851 less than this car. Dealer: Chiswell Green Cars in Chiswellgreen. AskCar page: https://askcar.co.uk/car/bmw-3-series-2018-815520cce738

Browse all BMW 3 Series cars for sale · 2018 BMW 3 Series price guide

More like this

Photos

38 photos of this car are on its AskCar page.

As of 6 November 2026, AskCar lists 598,752 cars and vans from 12,905 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.