2015 BMW 4 Series 3.0 435d M Sport

Overview

• Make: BMW
• Model: 4 Series
• Trim: M Sport
• Version: 3.0 435d M Sport Auto 4WD Euro 6 (s/s) 2dr (309 bhp)
• Year: 2015
• Mileage: 66,700 miles
• Fuel: Diesel
• Body: Convertible, 2 doors, 4 seats
• Engine: 3.0 litres, 309 bhp
• Gearbox: Automatic
• Drive: Four-wheel drive
• Colour: Blue
• CO2: 155 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2015 BMW 4 Series M Sport has covered 66,700 miles, around 15,400 fewer miles than is typical for its age. The dealer is asking £12,995, which is £598 below the AskCar estimate of £13,593. To work out the AskCar estimate, we analyse UK dealer adverts for 1,814 BMW 4 Series cars across different ages and specifications. The asking price is now £1,000 lower than when we first recorded the advert 53 days ago. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is Billton Motors, based in Peterborough. 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: £598 (4%) under the AskCar estimate of £13,593.

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 1,814 priced BMW 4 Series adverts across different ages and specifications, as of 4 November 2026.

A 2015 BMW 4 Series with the 3.0 diesel engine is typically advertised at £13,000: the median of the 69 for sale on AskCar, as of 4 November 2026.

Time on sale

This 2015 BMW 4 Series has been on sale for at least 53 days.

Price history

AskCar first saw this advert on 12 September 2026 at £13,995. Its asking price is now £12,995, £1,000 less. The latest price cut was seen on 28 October 2026.

Price changes recorded:

• 12 September 2026: £13,995
• 5 October 2026: £13,495
• 28 October 2026: £12,995

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 4 November 2026: valid until 5 June 2027.

It has had 12 MOTs. The latest, on 5 June 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 64,534 miles, which matches the advertised 66,700 miles.

Advertised mileage is about 15,400 miles lower than the median mileage of a 2015 BMW 4 Series on AskCar.

Similar cars

16 other 2015 BMW 4 Series M Sport 3.0 diesel automatic convertibles are for sale at UK dealers, from £10,295 to £14,995, as of 4 November 2026.

The 3 closest to this car in mileage:

• 2015 BMW 4 Series M Sport, 3.0 diesel convertible, white. Mileage: 69,980 miles. Price: £14,950, £1,955 more than this car. Dealer: J S Exclusive Motors in Milton Keynes. AskCar page: https://askcar.co.uk/car/bmw-4-series-2015-17af54860ead
• 2015 BMW 4 Series M Sport, 3.0 diesel convertible, white. Mileage: 60,124 miles. Price: £13,995, £1,000 more than this car. Dealer: HR Cars in Chesham. AskCar page: https://askcar.co.uk/car/bmw-4-series-2015-29052fca5525
• 2015 BMW 4 Series M Sport, 3.0 diesel convertible, blue. Mileage: 56,500 miles. Price: £13,990, £995 more than this car. Dealer: John Warren Cars in Stevenage. AskCar page: https://askcar.co.uk/car/bmw-4-series-2015-772058966319

• The nearest: 2015 BMW 4 Series M Sport, 3.0 diesel convertible, white, 2 miles from this car. Mileage: 82,079 miles. Price: £12,995, the same price as this car. Dealer: Elton Cars in Peterborough. AskCar page: https://askcar.co.uk/car/bmw-4-series-2015-83d0acb0f7f3