2018 BMW 3 Series 3.0 340i M Sport Shadow Edition

Overview

• Make: BMW
• Model: 3 Series
• Trim: M Sport Shadow Edition
• Version: 3.0 340i M Sport Shadow Edition Auto RWD Euro 6 (s/s) 4dr (322 bhp)
• Year: 2018
• Mileage: 65,058 miles
• Fuel: Petrol
• Body: Saloon, 4 doors, 5 seats
• Engine: 3.0 litres, 322 bhp
• Gearbox: Automatic
• Drive: Rear-wheel drive
• Colour: Black
• CO2: 159 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2018 BMW 3 Series M Sport Shadow Edition is advertised with 65,058 miles, approximately 7,100 below the typical mileage for its age. The AskCar estimate for this car is £19,452. It is priced at £20,995, which is £1,543 above that estimate. The AskCar estimate draws on 6,822 BMW 3 Series adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. We first recorded this car for sale 1 day ago. The seller is Goldheart Automotive, based in Woking. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 8 November 2026.

How we estimate prices and check cars

Price

Fair price: £1,543 (7%) over the AskCar estimate of £19,452.

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 6,822 priced BMW 3 Series adverts across different ages and specifications, as of 8 November 2026.

A 2018 BMW 3 Series with the 3.0 petrol engine is typically advertised at £17,900: the median of the 68 for sale on AskCar, as of 8 November 2026.

Time on sale

AskCar first saw this 2018 BMW 3 Series advertised 1 day ago. About half of 2018 BMW 3 Series cars are gone from sale within a month of being advertised: 277 of the 549 first advertised between 10 July 2026 and 5 October 2026.

Price history

AskCar first saw this advert on 7 November 2026 at £20,995. Its asking price has not changed.

Mileage and MOT

Advertised mileage is about 7,100 miles lower than the median mileage of a 2018 BMW 3 Series on AskCar.

Similar cars

6 other 2018 BMW 3 Series M Sport Shadow Edition 3.0 petrol automatic saloons are for sale at UK dealers, from £16,000 to £25,995, as of 8 November 2026.

The 3 closest to this car in mileage:

• 2018 BMW 3 Series M Sport Shadow Edition, 3.0 petrol saloon, grey. Mileage: 70,000 miles. Price: £20,995, the same price as this car. Dealer: Riverlea Car Sales in Bournemouth. AskCar page: https://askcar.co.uk/car/bmw-3-series-2018-d0969c5321df
• 2018 BMW 3 Series M Sport Shadow Edition, 3.0 petrol saloon, grey. Mileage: 51,600 miles. Price: £16,000, £4,995 less than this car. Dealer: KRK Motors in Penkridge. AskCar page: https://askcar.co.uk/car/bmw-3-series-2018-efb71ea9608c
• 2018 BMW 3 Series M Sport Shadow Edition, 3.0 petrol saloon, black. Mileage: 50,000 miles. Price: £24,995, £4,000 more than this car. Dealer: HR Sports and Classics in Warrington. AskCar page: https://askcar.co.uk/car/bmw-3-series-2018-48ea217ebee9

• The nearest: 2018 BMW 3 Series M Sport Shadow Edition, 3.0 petrol saloon, grey, 29 miles from this car. Mileage: 29,475 miles. Price: £24,850, £3,855 more than this car. Dealer: Car Planet Barnet in Barnet. AskCar page: https://askcar.co.uk/car/bmw-3-series-2018-46504d8d6c2e