Are you after a genuine N55 DCT 335i? If you've got a few viewings lined up already, book this one last. Anyone who knows how these should drive will feel the difference the moment they sit in it. This car has been looked after with care, and it shows. *** IMMACULATE CONDITION - See BMW Sytner Harold Wood Visual Health Check Video in advert carried out July 2026*** Presented in Mineral White, a rare shade you won't see on the standard trim level cars, this is the M Sport Highline convertible with the N55 turbocharged straight six paired to the DCT dual-clutch gearbox. This combination is uncommon in the range and the gearbox shifts are silky smooth, helped by a looked after and inspected mechatronics and BMW sourced gearbox oil changed under a week ago. Five former keepers over sixteen years, backed by a complete, unbroken service record from new. Every owner has kept up the maintenance, and the paperwork proves it. Recent work carried out at BMW, August 2026, 107,000 miles: * Airbag recall completed * Mechatronics DCT gearbox oil changed with BMW sourced fluid * Full BMW visual health check, undercarriage included for buyer peace of mind FULLY Loaded Spec: - Wireless Apple CarPlay and Android Auto module, original BMW CIC widescreen function retained - Heated black dakota leather electric M Sport seats - LCI facelift model with facelift headlights, facelift rear lights, updated iDrive controller - Front and rear parking sensors - M Sport multifunction steering wheel - Paddle shift DCT gearbox - Cruise control - Automatic headlights - Power fold wing mirrors - Electric folding hardtop roof Full BMW / Specialist Service History BMW Main Dealer: 27/04/12 @ 9,806 miles 14/06/13 @ 25,154 miles 30/04/14 @ 37,471 miles 29/07/15 @ 54,989 miles 02/11/16 @ 71,448 miles 05/10/18 @ 80,821 miles Independent / Specialist: 10/06/14 @ 38,805 miles 29/01/21 @ 87,522 miles 03/02/23 @ 96,066 miles 08/09/24 @ 102,777 miles 06/10/25 @ 106,510 miles BMW Main Dealer: 12/08/26 @ 107,000 miles, gearbox service and airbag recall The N55's single twin-scroll turbo gives instant, linear power with none of the lag the older twin-turbo sixes suffer. Paired with the DCT's rapid, seamless shifts, this is the sharpest, most responsive way to drive a 3 Series of this era. HPI clear. Genuine mileage backed by full service and MOT history. ULEZ and E10 compliant. Drives exactly as it should. No warning lights, no faults. Roof drops cleanly every time.