Used BMW 3 Series convertible for sale near Watford
There are 33 used BMW 3 Series convertible for sale from UK dealers within 20 miles of Watford on AskCar, as of 29 October 2026. Typical asking price £6,000 (the median: half cost less, half cost more). The cheapest is £2,000. AskCar lists 7,078 used BMW 3 Series across the UK, from 2,699 dealerships.
The middle half of the 33 cars are priced between £5,000 and £10,000.
As of 29 October 2026, AskCar lists 587,923 cars and vans from 12,992 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.
Price reductions near Watford
4 cars within 20 miles had their price reduced in the last 14 days to 29 October 2026. Of those priced between £1,000 and £60,000, these 4 have the biggest reductions in pounds since AskCar first saw them.
- 2008 BMW 3 Series 3.0 330i M Sport, 268 bhp, manual, petrol, convertible, 2 doors, 4 seats, black. Mileage: 74,591 miles. Price: £5,511, reduced by £1,989 from £7,500 since AskCar first saw it on 28 May 2026, 154 days ago. Fair price: £131 (2%) under the AskCar estimate of £5,642. Euro 4 emissions standard. ULEZ compliant. MOT: the latest record we hold ran out on 5 August 2026; ask the dealer for the current MOT. Dealer: Hatters Car Sales (Luton) in Luton, 16 miles from Watford. AskCar page: https://askcar.co.uk/car/bmw-3-series-2008-41c218f1ebab
- 2008 BMW 3 Series 2.0 320i M Sport, 167 bhp, manual, petrol, convertible, 2 doors, 4 seats, silver. Mileage: 78,000 miles. Price: £3,495, reduced by £1,000 from £4,495 since AskCar first saw it on 26 September 2026, 33 days ago. Good value: £868 (19%) under the AskCar estimate of £4,363. MOT: the latest record we hold ran out on 9 May 2026; ask the dealer for the current MOT. Dealer: Nick Barras Cars in Kingston upon Thames, 18 miles from Watford. AskCar page: https://askcar.co.uk/car/bmw-3-series-2008-ce2f9f3fc4a3
- 1991 BMW 3 Series 2.0 320i, 129 bhp, manual, petrol, convertible, 2 doors, silver. Mileage: 133,000 miles. Price: £7,490, reduced by £500 from £7,990 since AskCar first saw it on 23 October 2026, 6 days ago. Good value: £1,878 (20%) under the AskCar estimate of £9,368. MOT: valid until 21 October 2027. Dealer: German Technik in Rickmansworth, 5 miles from Watford. AskCar page: https://askcar.co.uk/car/bmw-3-series-1991-ca8b6d3fe2dd
- 2013 BMW 3 Series 2.0 320d M Sport, 181 bhp, automatic, diesel, convertible, 2 doors, 4 seats, black. Mileage: 95,985 miles. Price: £5,995, reduced by £354 from £6,349 since AskCar first saw it on 16 October 2026, 13 days ago. Fair price: £369 (5%) under the AskCar estimate of £6,364. Euro 5 emissions standard. MOT: valid until 19 January 2027. Dealer: Sundon Autos in Luton, 18 miles from Watford. AskCar page: https://askcar.co.uk/car/bmw-3-series-2013-2554a2660481
Cars for sale now
Best value first: the cars priced furthest below their AskCar estimate come first, and those without one come after. The AskCar estimate is our expected asking price for that one car, from its model, age, mileage and specification, using the 6,692 priced BMW 3 Series adverts on AskCar as of 29 October 2026.
Each car: year, make, model, engine and trim, power, gearbox, fuel, body, doors, colour; mileage; price and its changes; how the price compares with the AskCar estimate; emissions standard and ULEZ compliance where it holds; MOT; dealer, town and distance; AskCar page.
Cheaper cars like each one, with its price history, are on its AskCar page.
- 1991 BMW 3 Series 2.0 320i, 129 bhp, manual, petrol, convertible, 2 doors, silver. Mileage: 133,000 miles. Price: £7,490, reduced by £500 from £7,990 since AskCar first saw it on 23 October 2026, 6 days ago. Good value: £1,878 (20%) under the AskCar estimate of £9,368. MOT: valid until 21 October 2027. Dealer: German Technik in Rickmansworth, 5 miles from Watford. AskCar page: https://askcar.co.uk/car/bmw-3-series-1991-ca8b6d3fe2dd
- 2008 BMW 3 Series 2.0 320i M Sport, 167 bhp, manual, petrol, convertible, 2 doors, 4 seats, silver. Mileage: 78,000 miles. Price: £3,495, reduced by £1,000 from £4,495 since AskCar first saw it on 26 September 2026, 33 days ago. Good value: £868 (19%) under the AskCar estimate of £4,363. MOT: the latest record we hold ran out on 9 May 2026; ask the dealer for the current MOT. Dealer: Nick Barras Cars in Kingston upon Thames, 18 miles from Watford. AskCar page: https://askcar.co.uk/car/bmw-3-series-2008-ce2f9f3fc4a3
- 2011 BMW 3 Series 2.0 320i M Sport, 168 bhp, automatic, petrol, convertible, 2 doors, 4 seats, black. Mileage: 64,318 miles. Price: £5,495, unchanged since AskCar first saw it on 20 October 2026, 9 days ago. Good value: £1,150 (17%) under the AskCar estimate of £6,645. Euro 5 emissions standard. ULEZ compliant. MOT: valid until 28 November 2026. Dealer: Mb Specialist West London in London, 10 miles from Watford. AskCar page: https://askcar.co.uk/car/bmw-3-series-2011-6e5432b86557
- 1996 BMW 3 Series 2.8 328i Sport, 193 bhp, petrol, convertible, 2 doors, 4 seats, green. Mileage: 71,000 miles. Price: £7,995, unchanged since AskCar first saw it on 12 August 2026, 78 days ago. Good value: £1,241 (13%) under the AskCar estimate of £9,236. Dealer: Mk Motors Chalfont in Chalfont St Peter, 8 miles from Watford. AskCar page: https://askcar.co.uk/car/bmw-3-series-1996-8610e74bb9a2
- 2000 BMW 3 Series 3.0 330Ci, 231 bhp, manual, petrol, convertible, 2 doors, 4 seats, silver. Mileage: 110,000 miles. Price: £4,990, reduced by £500 from £5,490 since AskCar first saw it on 18 July 2026, 103 days ago. Good value: £688 (12%) under the AskCar estimate of £5,678. MOT: the latest record we hold ran out on 27 August 2026; ask the dealer for the current MOT. Dealer: Auto Mall in London, 13 miles from Watford. AskCar page: https://askcar.co.uk/car/bmw-3-series-2000-be24a64d3b17
- 2011 BMW 3 Series 3.0 325i M Sport, 215 bhp, automatic, petrol, convertible, 2 doors, 4 seats, white. Mileage: 74,700 miles. Price: £6,798, unchanged since AskCar first saw it on 13 September 2026, 46 days ago. Good value: £920 (11%) under the AskCar estimate of £7,718. Euro 5 emissions standard. ULEZ compliant. MOT: the latest record we hold ran out on 9 September 2026; ask the dealer for the current MOT. Dealer: Automatic Motors in Hillingdon, 11 miles from Watford. AskCar page: https://askcar.co.uk/car/bmw-3-series-2011-3e50f3b37aa6
- 2013 BMW 3 Series 2.0 M Sport, automatic, diesel, convertible, 4 seats, black. Mileage: 79,454 miles. Price: £7,249, unchanged since AskCar first saw it on 3 September 2026, 56 days ago. Good value: £785 (9%) under the AskCar estimate of £8,034. MOT: valid until 31 August 2027. Dealer: Prime Motors in Hoddesdon, 19 miles from Watford. AskCar page: https://askcar.co.uk/car/bmw-3-series-2013-7accc4da9bf8
- 2013 BMW 3 Series 2.0 320d M Sport, 181 bhp, automatic, diesel, convertible, 2 doors, 4 seats, black. Mileage: 95,985 miles. Price: £5,995, reduced by £354 from £6,349 since AskCar first saw it on 16 October 2026, 13 days ago. Fair price: £369 (5%) under the AskCar estimate of £6,364. Euro 5 emissions standard. MOT: valid until 19 January 2027. Dealer: Sundon Autos in Luton, 18 miles from Watford. AskCar page: https://askcar.co.uk/car/bmw-3-series-2013-2554a2660481
- 2010 BMW 3 Series 2.0 320i M Sport, 167 bhp, automatic, petrol, convertible, 2 doors, 4 seats, white. Mileage: 99,000 miles. Price: £4,990, unchanged since AskCar first saw it on 27 October 2026, 2 days ago. Fair price: £129 (2%) under the AskCar estimate of £5,119. Euro 5 emissions standard. ULEZ compliant. MOT: valid until 28 June 2027. Dealer: Car Holics in Hillingdon, 10 miles from Watford. AskCar page: https://askcar.co.uk/car/bmw-3-series-2010-afa54b5c3373
- 2008 BMW 3 Series 3.0 330i M Sport, 268 bhp, manual, petrol, convertible, 2 doors, 4 seats, black. Mileage: 74,591 miles. Price: £5,511, reduced by £1,989 from £7,500 since AskCar first saw it on 28 May 2026, 154 days ago. Fair price: £131 (2%) under the AskCar estimate of £5,642. Euro 4 emissions standard. ULEZ compliant. MOT: the latest record we hold ran out on 5 August 2026; ask the dealer for the current MOT. Dealer: Hatters Car Sales (Luton) in Luton, 16 miles from Watford. AskCar page: https://askcar.co.uk/car/bmw-3-series-2008-41c218f1ebab
- 2010 BMW 3 Series 3.0 325i SE, 214 bhp, manual, petrol, convertible, 2 doors, 4 seats, silver. Mileage: 176,000 miles. Price: £3,500, unchanged since AskCar first saw it on 28 October 2026, 1 day ago. Above the going rate: £420 (13%) over the AskCar estimate of £3,080. Euro 5 emissions standard. ULEZ compliant. MOT: valid until 10 April 2027. Dealer: Field Way Motors in Gerrards Cross, 8 miles from Watford. AskCar page: https://askcar.co.uk/car/bmw-3-series-2010-377eb256e3c3
- 2010 BMW 3 Series 3.0 325i M Sport, 214 bhp, automatic, petrol, convertible, 2 doors, 4 seats. Mileage: 100,000 miles. Price: £6,999, reduced by £1,000 from £7,999 since AskCar first saw it on 28 September 2026, 31 days ago. Above the going rate: £961 (15%) over the AskCar estimate of £6,038. Euro 5 emissions standard. ULEZ compliant. Dealer: MSK Cars in London, 13 miles from Watford. AskCar page: https://askcar.co.uk/car/bmw-3-series-2010-450dd57c9622
- 2007 BMW 3 Series 3.0 335i M Sport, 302 bhp, automatic, petrol, convertible, 2 doors, 4 seats, black. Mileage: 11,024 miles. Price: £13,990, reduced by £1,000 from £14,990 since AskCar first saw it on 20 September 2026, 39 days ago. Above the going rate: £2,036 (17%) over the AskCar estimate of £11,954. Euro 4 emissions standard. ULEZ compliant. MOT: valid until 17 September 2027. Dealer: Lectus Cars in Broxbourne, 18 miles from Watford. AskCar page: https://askcar.co.uk/car/bmw-3-series-2007-9562a503622a
- 1993 BMW 3 Series 2.5 325i, 192 bhp, automatic, petrol, convertible, 2 doors, red. Mileage: 40,000 miles. Price: £26,988, raised by £1,993 from £24,995 since AskCar first saw it on 4 August 2026, 86 days ago. Above the going rate: £4,226 (18%) over the AskCar estimate of £22,762. Euro 1 emissions standard. MOT: valid until 30 April 2027. Dealer: Kams Cars in Borehamwood, 4 miles from Watford. AskCar page: https://askcar.co.uk/car/bmw-3-series-1993-cf9851aa0730
- 1991 BMW 3 Series 1.8 318i, 113 bhp, manual, petrol, convertible, 2 doors, red. Mileage: 135,000 miles. Price: £12,990, unchanged since AskCar first saw it on 28 May 2026, 154 days ago. Above the going rate: £2,870 (28%) over the AskCar estimate of £10,120. Euro 1 emissions standard. MOT: the latest record we hold ran out on 21 June 2026; ask the dealer for the current MOT. Dealer: Mi Prestige in Chingford, 16 miles from Watford. AskCar page: https://askcar.co.uk/car/bmw-3-series-1991-7612671a8d2d
- 2005 BMW 3 Series 3.0 330Ci M Sport, 227 bhp, automatic, petrol, convertible, 2 doors, 4 seats, silver. Mileage: 66,912 miles. Price: £9,995, unchanged since AskCar first saw it on 8 August 2026, 82 days ago. Above the going rate: £2,511 (33%) over the AskCar estimate of £7,484. Euro 4 emissions standard. ULEZ compliant. MOT: valid until 2 July 2027. Dealer: ECO Hybrid Motors in Uxbridge, 10 miles from Watford. AskCar page: https://askcar.co.uk/car/bmw-3-series-2005-87f08d12e48a
- 2004 BMW 3 Series, 338 bhp, manual, petrol, convertible, 2 doors, black. Mileage: 82,000 miles. Price: £13,990, unchanged since AskCar first saw it on 28 May 2026, 154 days ago. Above the going rate: £7,948 (131%) over the AskCar estimate of £6,042. Euro 4 emissions standard. ULEZ compliant. Dealer: Chariots Prestige in Windsor, 19 miles from Watford. AskCar page: https://askcar.co.uk/car/bmw-3-series-2004-1e3e8836c9f7
- 2005 BMW 3 Series 3.2, 338 bhp, manual, petrol, convertible, 2 doors, 4 seats, blue. Mileage: 102,000 miles. Price: £12,990, unchanged since AskCar first saw it on 28 May 2026, 154 days ago. Above the going rate: £8,021 (161%) over the AskCar estimate of £4,969. Euro 4 emissions standard. ULEZ compliant. Dealer: Chariots Prestige in Windsor, 19 miles from Watford. AskCar page: https://askcar.co.uk/car/bmw-3-series-2005-19c492d30bb3
- 1999 BMW 3 Series 3.2, 321 bhp, manual, petrol, convertible, 2 doors, blue. Mileage: 70,000 miles. Price: £27,450, unchanged since AskCar first saw it on 1 July 2026, 120 days ago. Above the going rate: £17,138 (166%) over the AskCar estimate of £10,312. Euro 3 emissions standard. MOT: the latest record we hold ran out on 29 June 2017; ask the dealer for the current MOT. Dealer: HSF Car Sales in Slough, 13 miles from Watford. AskCar page: https://askcar.co.uk/car/bmw-3-series-1999-0aea14efdeff
- 2008 BMW 3 Series 3.0 330d SE, 227 bhp, manual, diesel, convertible, 2 doors, 4 seats, blue. Mileage: 69,000 miles. Price: £2,500, unchanged since AskCar first saw it on 28 October 2026, 1 day ago. Far below the going rate: £2,310 (48%) under the AskCar estimate of £4,810. Worth asking the dealer why. Euro 4 emissions standard. MOT: the latest record we hold ran out on 10 September 2018; ask the dealer for the current MOT. Dealer: Field Way Motors in Gerrards Cross, 8 miles from Watford. AskCar page: https://askcar.co.uk/car/bmw-3-series-2008-83682b6373da
- 2011 BMW 3 Series 2.0 320i M Sport, 168 bhp, automatic, petrol, convertible, 2 doors, 4 seats, grey. Mileage: 139,000 miles. Price: £2,000, unchanged since AskCar first saw it on 9 October 2026, 20 days ago. Far below the going rate: £1,843 (47%) under the AskCar estimate of £3,843. Worth asking the dealer why. Euro 5 emissions standard. ULEZ compliant. Dealer: Karhouse in Chesham, 10 miles from Watford. AskCar page: https://askcar.co.uk/car/bmw-3-series-2011-1a033277a8a8
- 2007 BMW 3 Series 3.0 330i M Sport, 268 bhp, automatic, petrol, convertible, 2 doors, 4 seats, black. Mileage: 62,644 miles. Price: £4,999, unchanged since AskCar first saw it on 25 September 2026, 34 days ago. Far below the going rate: £2,685 (34%) under the AskCar estimate of £7,684. Worth asking the dealer why. Euro 5 emissions standard. ULEZ compliant. MOT: the latest record we hold ran out on 17 March 2024; ask the dealer for the current MOT. Dealer: Mark Wittey Cars in Chingford, 17 miles from Watford. AskCar page: https://askcar.co.uk/car/bmw-3-series-2007-c2ce20743643
- 2009 BMW 3 Series 3.0 325i M Sport, 215 bhp, automatic, petrol, convertible, 2 doors, 4 seats, blue. Mileage: 83,000 miles. Price: £4,990, unchanged since AskCar first saw it on 9 October 2026, 20 days ago. Good value: £1,233 (19%) under the AskCar estimate of £6,223. Euro 4 emissions standard. ULEZ compliant. Dealer: Mondial Cars in Northwood, 4 miles from Watford. AskCar page: https://askcar.co.uk/car/bmw-3-series-2009-85d525a490cf
- BMW 3 Series, automatic, convertible. Mileage: 111,000 miles. Price: £2,999, unchanged since AskCar first saw it on 20 August 2026, 70 days ago. Dealer: Brondesbury Cars Northwood Middlesex HA6 in Northwood, 3 miles from Watford. AskCar page: https://askcar.co.uk/car/bmw-3-series-4a80132a6cd9
- 2005 BMW 3 Series 2.5 325Ci 325 Sport, 192 bhp, automatic, petrol, convertible, 2 doors, 4 seats, blue. Mileage: 102,000 miles. Price: £4,995. AskCar first saw it on 18 October 2026, 11 days ago. Euro 3 emissions standard. MOT: the latest record we hold ran out on 16 October 2026; ask the dealer for the current MOT. Dealer: The Motor Web in Slough, 15 miles from Watford. AskCar page: https://askcar.co.uk/car/bmw-3-series-2005-800e197bb788
- 2007 BMW 3 Series 3.0 325i M Sport, 215 bhp, automatic, petrol, convertible, 2 doors, 4 seats, black. Mileage: 94,500 miles. Price: £4,995. AskCar first saw it on 18 October 2026, 11 days ago. Euro 4 emissions standard. ULEZ compliant. MOT: valid until 14 December 2026. Dealer: The Motor Web in Slough, 15 miles from Watford. AskCar page: https://askcar.co.uk/car/bmw-3-series-2007-1359e05f618e
- 2007 BMW 3 Series 3.0 335i M Sport, 302 bhp, automatic, petrol, convertible, 2 doors, 4 seats, silver. Mileage: 110,000 miles. Price: £5,995. AskCar first saw it on 22 October 2026, 7 days ago. Euro 4 emissions standard. ULEZ compliant. MOT: valid until 3 December 2026. Dealer: The Motor Web in Slough, 15 miles from Watford. AskCar page: https://askcar.co.uk/car/bmw-3-series-2007-666554f7e0fc
- 2007 BMW 3 Series 3.0 335i M Sport, 302 bhp, automatic, petrol, convertible, 2 doors, 4 seats, blue. Mileage: 90,000 miles. Price: £5,995. AskCar first saw it on 22 August 2026, 68 days ago. Euro 4 emissions standard. ULEZ compliant. MOT: valid until 3 September 2027. Dealer: Motorace in Slough, 15 miles from Watford. AskCar page: https://askcar.co.uk/car/bmw-3-series-2007-761a59cfce7c
- 2007 BMW 3 Series 3.0 325i SE, 215 bhp, manual, petrol, convertible, 2 doors, 4 seats, bronze. Mileage: 47,500 miles. Price: £5,995. AskCar first saw it on 19 August 2026, 71 days ago. Euro 4 emissions standard. ULEZ compliant. MOT: the latest record we hold ran out on 15 September 2026; ask the dealer for the current MOT. Dealer: The Motor Web in Slough, 15 miles from Watford. AskCar page: https://askcar.co.uk/car/bmw-3-series-2007-bb0ce26d143b
- 2007 BMW 3 Series 3.0 335i M Sport, 302 bhp, automatic, petrol, convertible, 2 doors, 4 seats, blue. Mileage: 110,000 miles. Price: £6,995. AskCar first saw it on 1 September 2026, 58 days ago. Euro 4 emissions standard. ULEZ compliant. MOT: the latest record we hold ran out on 14 October 2026; ask the dealer for the current MOT. Dealer: AK Motors in High Wycombe, 17 miles from Watford. AskCar page: https://askcar.co.uk/car/bmw-3-series-2007-dbf13ca76ff1
- 2007 BMW 3 Series 3.0 335i SE, 301 bhp, manual, petrol, convertible, 2 doors, 4 seats, black. Mileage: 44,300 miles. Price: £9,995. AskCar first saw it on 24 August 2026, 66 days ago. Euro 4 emissions standard. ULEZ compliant. MOT: valid until 23 June 2027. Dealer: The Motor Web in Slough, 15 miles from Watford. AskCar page: https://askcar.co.uk/car/bmw-3-series-2007-2e565de20554
- 2007 BMW 3 Series 3.0 335i M Sport, 302 bhp, manual, petrol, convertible, 2 doors, 4 seats, blue. Price: £10,450. AskCar first saw it on 25 August 2026, 65 days ago. Euro 4 emissions standard. ULEZ compliant. MOT: valid until 10 December 2026. Dealer: Special Car Company in High Wycombe, 15 miles from Watford. AskCar page: https://askcar.co.uk/car/bmw-3-series-2007-7b3875c2a33d
- BMW 3 Series 325i, manual, petrol, convertible, 2 doors, 4 seats. Price: £24,995, unchanged since AskCar first saw it on 21 October 2026, 8 days ago. Dealer: Old Colonel Cars in Hertford, 14 miles from Watford. AskCar page: https://askcar.co.uk/car/bmw-3-series-009ee79e9a82
BMW 3 Series convertible near you
- In England (173 cars)
- Near Richmond upon Thames (32 cars)
- Near Egham (31 cars)
- Near Hillingdon (29 cars)
- Near Berkhamsted (27 cars)
- Near High Wycombe (25 cars)
- Near Bracknell (25 cars)
- Near London (23 cars)
- Near Great Bookham and Fetcham (23 cars)
- Near Barnet (22 cars)
- Near Sutton (20 cars)
- Near Luton (20 cars)
BMW 3 Series near Watford by price
- Under £3,000 (26 cars)
- Under £5,000 (64 cars)
- Under £8,000 (154 cars)
- Under £10,000 (214 cars)
- Under £15,000 (333 cars)
- Under £20,000 (476 cars)
- Under £30,000 (648 cars)
BMW 3 Series across the UK by price
- Under £2,000 (33 cars)
- Under £3,000 (120 cars)
- Under £5,000 (486 cars)
- Under £8,000 (1,178 cars)
- Under £10,000 (1,711 cars)
- Under £15,000 (2,701 cars)
- Under £20,000 (3,948 cars)
- Under £30,000 (5,726 cars)
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