2012 BMW 3 Series 2.0 320d SE

Overview

• Make: BMW
• Model: 3 Series
• Trim: SE
• Version: 2.0 320d SE Steptronic RWD Euro 5 2dr (181 bhp)
• Year: 2012
• Mileage: 137,821 miles
• Fuel: Diesel
• Body: Convertible, 2 doors, 4 seats
• Engine: 2.0 litres, 181 bhp
• Gearbox: Automatic (Steptronic)
• Drive: Rear-wheel drive
• Colour: Blue
• CO2: 149 g/km
• Emissions standard: Euro 5

About this car

With 137,821 miles on the clock, this 2012 BMW 3 Series has done roughly 43,400 more miles than a typical 2012 BMW 3 Series. The AskCar estimate for this car is £3,723. It is priced at £3,190, which is £533 below that estimate. The AskCar estimate uses 6,742 UK dealer adverts for the BMW 3 Series, with adjustments for age, mileage, trim, engine and other specifications. We have tracked this advert for 44 days. The recorded MOT expired on 5 September 2026, so ask the dealer whether it has been renewed. According to the government's MOT record, its advertised mileage is consistent with the latest test. It is for sale at Octane Car Sales in Peterborough. 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

Good value: £533 (14%) under the AskCar estimate of £3,723.

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 2012 BMW 3 Series with the 2.0 diesel engine is typically advertised at £5,200: the median of the 176 for sale on AskCar, as of 2 November 2026.

Time on sale

This 2012 BMW 3 Series has been on sale for at least 44 days.

Price history

AskCar first saw this advert on 19 September 2026 at £3,190. 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 2 November 2026: the latest record we hold ran out on 5 September 2026; ask the dealer for the current MOT.

It has had 14 MOTs. The latest, on 22 August 2025, passed.

Advisories at the latest test: front brake disc worn, pitted or scored, but not seriously weakened; rear brake disc worn, pitted or scored, but not seriously weakened; oil leak, but not excessive; and 2 more.

Mileage at that test: 136,279 miles, which matches the advertised 137,821 miles.

Advertised mileage is about 43,400 miles higher than the median mileage of a 2012 BMW 3 Series on AskCar.

Similar cars

2 other 2012 BMW 3 Series SE 2.0 diesel automatic convertibles are for sale at UK dealers, from £7,490 to £8,299, as of 2 November 2026.

The 2 closest to this car in mileage:

• 2012 BMW 3 Series SE, 2.0 diesel convertible, silver. Mileage: 46,000 miles. Price: £7,490, £4,300 more than this car. Dealer: PH Cars Arundel in Arundel. AskCar page: https://askcar.co.uk/car/bmw-3-series-2012-30fad22d12d8
• 2012 BMW 3 Series SE, 2.0 diesel convertible, silver. Mileage: 43,892 miles. Price: £8,299, £5,109 more than this car. Dealer: 777 Automotive in Leicester. AskCar page: https://askcar.co.uk/car/bmw-3-series-2012-2797892c22f5