2018 BMW 3 Series 3.0 335d M Sport Shadow Edition

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) 5dr Touring (309 bhp)
• Year: 2018
• Mileage: 61,500 miles
• Fuel: Diesel
• Body: Estate, 5 doors, 5 seats
• Engine: 3.0 litres, 309 bhp
• Gearbox: Automatic
• Drive: Four-wheel drive
• Colour: Black
• CO2: 165 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

With 61,500 miles on the clock, this 2018 BMW 3 Series M Sport Shadow Edition has done roughly 11,100 fewer miles than a typical 2018 BMW 3 Series. The AskCar estimate for this car is £21,885. It is priced at £23,289, which is £1,404 above that estimate. To work out the AskCar estimate, we analyse UK dealer adverts for 6,862 BMW 3 Series cars across different ages and specifications. The dealer may accept less: this car has been on sale for at least 160 days, and its asking price has been cut by £1,590. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is A6 Motors, based in Bedford. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 4 November 2026.

How we estimate prices and check cars

Price

Fair price: £1,404 (6%) over the AskCar estimate of £21,885.

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 6,862 priced BMW 3 Series adverts across different ages and specifications, as of 4 November 2026.

A 2018 BMW 3 Series with the 3.0 diesel engine is typically advertised at £18,000: the median of the 68 for sale on AskCar, as of 4 November 2026.

Time on sale

The dealer may accept less. This 2018 BMW 3 Series has been on sale for at least 160 days, and its asking price has been cut by £1,590. About half of 2018 BMW 3 Series cars are gone from sale within a month of being advertised: 269 of the 532 first advertised between 10 July 2026 and 1 October 2026.

Price history

AskCar first saw this advert on 28 May 2026 at £24,879. Its asking price is now £23,289, £1,590 less. The latest price cut was seen on 1 October 2026.

Price changes recorded:

• 28 May 2026: £24,879
• 16 June 2026: £24,489
• 31 July 2026: £23,989
• 1 September 2026: £23,389
• 18 September 2026: £23,349
• 1 October 2026: £23,289

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 4 November 2026: valid until 27 April 2027.

It has had 6 MOTs. The latest, on 28 April 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 61,507 miles, which matches the advertised 61,500 miles.

Advertised mileage is about 11,100 miles lower than the median mileage of a 2018 BMW 3 Series on AskCar.

Similar cars

12 other 2018 BMW 3 Series M Sport Shadow Edition 3.0 diesel automatic estates are for sale at UK dealers, from £13,999 to £25,890, as of 4 November 2026.

The 3 closest to this car in mileage:

• 2018 BMW 3 Series M Sport Shadow Edition, 3.0 diesel estate, white. Mileage: 61,782 miles. Price: £21,450, £1,839 less than this car. Dealer: Baylis Hereford in Hereford. AskCar page: https://askcar.co.uk/car/bmw-3-series-2018-edd46c7e3718
• 2018 BMW 3 Series M Sport Shadow Edition, 3.0 diesel estate, grey. Mileage: 59,000 miles. Price: £17,995, £5,294 less than this car. Dealer: Woodchurch Cars in Havering. AskCar page: https://askcar.co.uk/car/bmw-3-series-2018-4156b25834f5
• 2018 BMW 3 Series M Sport Shadow Edition, 3.0 diesel estate, grey. Mileage: 70,997 miles. Price: £20,800, £2,489 less than this car. Dealer: Sytner Select Swindon in Swindon. AskCar page: https://askcar.co.uk/car/bmw-3-series-2018-503ea5213446

• The nearest: 2018 BMW 3 Series M Sport Shadow Edition, 3.0 diesel estate, white, 22 miles from this car. Mileage: 117,000 miles. Price: £14,995, £8,294 less than this car. Dealer: Motor Trend in Great Missenden. AskCar page: https://askcar.co.uk/car/bmw-3-series-2018-1d833cb3e290