2020 BMW 3 Series 3.0 M340i

Overview

• Make: BMW
• Model: 3 Series
• Version: 3.0 M340i Auto 4WD Euro 6 (s/s) 4dr (369 bhp)
• Year: 2020
• Mileage: 73,647 miles
• Fuel: Petrol
• Body: Saloon, 4 doors, 5 seats
• Engine: 3.0 litres, 369 bhp
• Gearbox: Automatic
• Drive: Four-wheel drive
• Colour: Blue
• CO2: 162 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

With 73,647 miles on the clock, this 2020 BMW 3 Series has done roughly 14,700 more miles than a typical 2020 BMW 3 Series. Its asking price of £25,995 is £421 below the AskCar estimate of £26,416. The AskCar estimate uses 6,822 UK dealer adverts for the BMW 3 Series, with adjustments for age, mileage, trim, engine and other specifications. We first recorded this advert 82 days ago, and its asking price has since fallen by £2,525. Its advertised mileage matches the government's MOT record. It is for sale at Silsoe Prestige Motors in Bedford. 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: £421 (1%) under the AskCar estimate of £26,416.

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 2020 BMW 3 Series with the 3.0 petrol engine is typically advertised at £28,000: the median of the 65 for sale on AskCar, as of 8 November 2026.

Time on sale

This 2020 BMW 3 Series has been on sale for at least 82 days.

Price history

AskCar first saw this advert on 18 August 2026 at £28,520. Its asking price is now £25,995, £2,525 less. The latest price cut was seen on 5 November 2026.

Price changes recorded:

• 18 August 2026: £28,520
• 19 August 2026: £27,995
• 28 September 2026: £26,995
• 5 November 2026: £25,995

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 8 November 2026: valid until 12 January 2027.

It failed its MOT on 7 January 2026 (nearside front suspension arm ball joint excessively worn lower control arm) and passed 6 days later, on 13 January 2026.

There were no advisories at the latest test.

Mileage at that test: 71,210 miles, which matches the advertised 73,647 miles.

Advertised mileage is about 14,700 miles higher than the median mileage of a 2020 BMW 3 Series on AskCar.