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: 44,000 miles
• Fuel: Petrol
• Body: Saloon, 4 doors, 5 seats
• Engine: 3.0 litres, 322 bhp
• Gearbox: Automatic
• Drive: Rear-wheel drive
• Colour: Silver
• CO2: 159 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2018 BMW 3 Series M Sport Shadow Edition has covered 44,000 miles, around 28,200 fewer miles than is typical for its age. Its asking price of £22,000 is £80 below the AskCar estimate of £22,080. To work out the AskCar estimate, we analyse UK dealer adverts for 6,902 BMW 3 Series cars across different ages and specifications. The dealer may accept less. This car has been on sale for at least 162 days. We checked its advertised mileage against the government's MOT record, and they match. You can find this car at HKO Vehicles in Macclesfield. 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

Fair price: £80 (under 1%) under the AskCar estimate of £22,080.

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 petrol engine is typically advertised at £18,000: the median of the 69 for sale on AskCar, as of 6 November 2026.

Time on sale

The dealer may accept less. This 2018 BMW 3 Series has been on sale for at least 162 days. About half of 2018 BMW 3 Series cars are gone from sale within a month of being advertised: 274 of the 543 first advertised between 10 July 2026 and 3 October 2026.

Price history

AskCar first saw this advert on 28 May 2026 at £22,000. Its asking price has not changed.

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 6 November 2026: valid until 17 March 2027.

It has had 7 MOTs. The latest, on 18 March 2026, passed.

Advisories at the latest test: rear brake pad(s) wearing thin; nearside front tyre worn close to legal limit/worn on edge; offside rear tyre worn close to legal limit/worn on edge.

Mileage at that test: 43,900 miles, which matches the advertised 44,000 miles.

Advertised mileage is about 28,200 miles lower than the median mileage of a 2018 BMW 3 Series on AskCar.

Similar cars

5 other 2018 BMW 3 Series M Sport Shadow Edition 3.0 petrol automatic saloons are for sale at UK dealers, from £16,000 to £26,195, as of 6 November 2026.

The 3 closest to this car in mileage:

• 2018 BMW 3 Series M Sport Shadow Edition, 3.0 petrol saloon, black. Mileage: 50,000 miles. Price: £24,995, £2,995 more than this car. Dealer: HR Sports and Classics in Warrington. AskCar page: https://askcar.co.uk/car/bmw-3-series-2018-48ea217ebee9
• 2018 BMW 3 Series M Sport Shadow Edition, 3.0 petrol saloon, grey. Mileage: 51,600 miles. Price: £16,000, £6,000 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, silver. Mileage: 35,000 miles. Price: £26,195, £4,195 more than this car. Dealer: Vision Car Sales in Swindon. AskCar page: https://askcar.co.uk/car/bmw-3-series-2018-ea9b9dd961d4