2018 BMW 3 Series 2.0 320i M Sport Shadow Edition

Overview

• Make: BMW
• Model: 3 Series
• Trim: M Sport Shadow Edition
• Version: 2.0 320i M Sport Shadow Edition Auto RWD Euro 6 (s/s) 4dr (181 bhp)
• Year: 2018
• Mileage: 20,031 miles
• Fuel: Petrol
• Body: Saloon, 4 doors, 5 seats
• Engine: 2.0 litres, 181 bhp
• Gearbox: Automatic
• Drive: Rear-wheel drive
• Colour: Black
• CO2: 134 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

With 20,031 miles on the clock, this 2018 BMW 3 Series M Sport Shadow Edition has done roughly 52,800 fewer miles than a typical 2018 BMW 3 Series. Its asking price of £19,400 is £870 above the AskCar estimate of £18,530. The AskCar estimate draws on 6,742 BMW 3 Series adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. Since we first spotted the advert 37 days ago, the asking price has dropped by £300. The government's MOT record matches its advertised mileage. You can find this car at Berry Chiswick BMW in Brentford. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 2 November 2026.

How we estimate prices and check cars

Price

Fair price: £870 (4%) over the AskCar estimate of £18,530.

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 6,742 priced BMW 3 Series adverts across different ages and specifications, as of 2 November 2026.

A 2018 BMW 3 Series with the 2.0 petrol engine is typically advertised at £12,500: the median of the 284 for sale on AskCar, as of 2 November 2026.

Time on sale

This 2018 BMW 3 Series has been on sale for at least 37 days.

Price history

AskCar first saw this advert on 26 September 2026 at £19,700. Its asking price is now £19,400, £300 less. The latest price cut was seen on 7 October 2026.

Price changes recorded:

• 26 September 2026: £19,700
• 7 October 2026: £19,400

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 2 November 2026: valid until 15 May 2027.

It failed its MOT on 2 May 2026 (nearside front tyre has a tear, caused by separation or partial failure of its structure cracking on the outer edge, also tyre is heavily damaged fro, various cuts within the central 3/4 and edges-225/40/R19/89Y) and passed later the same day.

There were no advisories at the latest test.

Mileage at that test: 19,488 miles, which matches the advertised 20,031 miles.

Advertised mileage is about 52,800 miles lower than the median mileage of a 2018 BMW 3 Series on AskCar.

Similar cars

20 other 2018 BMW 3 Series M Sport Shadow Edition 2.0 petrol automatic saloons are for sale at UK dealers, from £10,994 to £19,990, as of 2 November 2026.

The 3 closest to this car in mileage:

• 2018 BMW 3 Series M Sport Shadow Edition, 2.0 petrol saloon, blue. Mileage: 21,500 miles. Price: £17,990, £1,410 less than this car. Dealer: Sherwood Garage in Glasgow. AskCar page: https://askcar.co.uk/car/bmw-3-series-2018-66d18b23ccf5
• 2018 BMW 3 Series M Sport Shadow Edition, 2.0 petrol saloon, grey. Mileage: 15,682 miles. Price: £19,990, £590 more than this car. Dealer: Williams Bmw Stockport in Stockport. AskCar page: https://askcar.co.uk/car/bmw-3-series-2018-1f8476144408
• 2018 BMW 3 Series M Sport Shadow Edition, 2.0 petrol saloon, blue. Mileage: 30,000 miles. Price: £16,995, £2,405 less than this car. Dealer: Myrtle Vehicle Sales in Bristol. AskCar page: https://askcar.co.uk/car/bmw-3-series-2018-61c20728982b

• The nearest: 2018 BMW 3 Series M Sport Shadow Edition, 2.0 petrol saloon, grey, 10 miles from this car. Mileage: 37,000 miles. Price: £17,500, £1,900 less than this car. Dealer: H & S Autos in Chertsey. AskCar page: https://askcar.co.uk/car/bmw-3-series-2018-1fc62507cc8f