2018 BMW 3 Series 3.0 M Sport Shadow Edition

Overview

• Make: BMW
• Model: 3 Series
• Trim: M Sport Shadow Edition
• Version: 3.0 M Sport Shadow Edition Auto 4WD Euro 6 (s/s) 5dr Touring
• Year: 2018
• Mileage: 61,782 miles
• Fuel: Diesel
• Body: Estate, 5 doors, 5 seats
• Engine: 3.0 litres
• Gearbox: Automatic
• Drive: Four-wheel drive
• Colour: White
• CO2: 165 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2018 BMW 3 Series M Sport Shadow Edition has covered 61,782 miles, around 11,100 fewer miles than is typical for its age. The dealer is asking £21,450, which is £567 above the AskCar estimate of £20,883. To work out the AskCar estimate, we analyse UK dealer adverts for 6,742 BMW 3 Series cars across different ages and specifications. We first recorded this advert 15 days ago, and its asking price has since fallen by £500. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is Baylis Hereford, based in Hereford. 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: £567 (2%) over the AskCar estimate of £20,883.

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 3.0 diesel engine is typically advertised at £18,000: the median of the 66 for sale on AskCar, as of 2 November 2026.

Time on sale

This 2018 BMW 3 Series has been on sale for at least 15 days.

Price history

AskCar first saw this advert on 18 October 2026 at £21,950. Its asking price is now £21,450, £500 less. The latest price cut was seen on 31 October 2026.

Price changes recorded:

• 18 October 2026: £21,950
• 31 October 2026: £21,450

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 2 November 2026: valid until 13 May 2027.

It has had 7 MOTs. The latest, on 13 May 2026, passed.

Advisories at the latest test: offside rear child seat fitted not allowing full inspection of adult belt; oil leak, but not excessive; nearside front upper suspension arm pin or bush worn but not resulting in excessive movement; and 1 more.

Mileage at that test: 57,884 miles, which matches the advertised 61,782 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 2 November 2026.

The 3 closest to this car in mileage:

• 2018 BMW 3 Series M Sport Shadow Edition, 3.0 diesel estate, black. Mileage: 61,500 miles. Price: £23,289, £1,839 more than this car. Dealer: A6 Motors in Luton. AskCar page: https://askcar.co.uk/car/bmw-3-series-2018-561144b5ae0a
• 2018 BMW 3 Series M Sport Shadow Edition, 3.0 diesel estate, grey. Mileage: 59,000 miles. Price: £17,995, £3,455 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, £650 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, black, 35 miles from this car. Mileage: 95,691 miles. Price: £16,290, £5,160 less than this car. Dealer: Auto Unit in Newport. AskCar page: https://askcar.co.uk/car/bmw-3-series-2018-6d7f6b596291