2021 BMW 3 SERIES 3.0 M340d Xdrive Saloon

The BMW 3 Series is consistently one of the UK's most popular executive saloons, known for its dynamic driving experience, premium interior, and sophisticated styling. Spanning several generations, from the E90/E91 to the F30/F31 and the most recent G20/G21, it appeals to a broad range of drivers, from company car users to families and driving enthusiasts alike. Whether you prioritise performance, comfort, or efficiency, there's a 3 Series variant to suit your needs.

Why Buy a Used BMW 3 Series?

• Engaging driving dynamics: BMW's reputation for 'Ultimate Driving Machines' is evident, offering precise steering and balanced handling.
• Refined and comfortable interior: High-quality materials, ergonomic design, and advanced infotainment systems make for a pleasant cabin experience.
• Excellent engine choice: A wide array of petrol, diesel, and more recently, plug-in hybrid (PHEV) engines offer a balance of performance and fuel efficiency.
• Strong residual values: The 3 Series tends to hold its value well, making it a sound investment on the used car market.

Typical Price Range

All prices are approximate and subject to change based on condition, mileage, specification, and market conditions.

• 2012–2015 (F30/F31 generation): £6,000 – £12,000 — Early models of the F30 generation, offering great value for a premium saloon. Prices are approximate and depend on mileage and condition.
• 2016–2018 (F30/F31 LCI): £10,000 – £20,000 — Facelifted F30 models with updated technology and engines. Pricing is indicative and subject to market fluctuations.
• 2019–2021 (G20/G21 generation): £20,000 – £35,000 — Newer G20 generation models, featuring the latest design and tech. Prices vary significantly based on specification and age.

Common Issues to Check

• Timing chain issues: Particularly in some N47 diesel engines (pre-2015), listen for rattling noises, though many will have been rectified.
• Electrical gremlins: Check for non-functioning infotainment, warning lights, or issues with electric windows/mirrors.
• Suspension components: Bushings and dampers can wear, particularly on models with larger wheels or M Sport suspension. Listen for knocks over bumps.
• Water pump failures: Some engines are known for water pump failures, leading to overheating.
• DPF (Diesel Particulate Filter) blockages: Common in diesel cars used predominantly for short journeys, check for warning lights.

Running Costs

• Fuel Economy: 30-70 mpg (depending on engine and driving style), with PHEV models offering significantly more in electric-only mode.
• Insurance Group: Group 20-40 (varies greatly by engine, trim, and power output). Be sure to check a specific vehicle's insurance group for a precise quote.
• Servicing: BMW servicing can be pricier than mainstream brands, but specialist independent garages offer more competitive rates. BMW offers service plans which can help manage costs.

Which Variant Should I Choose?

• 320d (Diesel): Ideal for motorway drivers and those covering high mileage. Offers an excellent balance of power (around 187bhp) and impressive fuel economy, often exceeding 50mpg. ULEZ compliant for newer models.
• 330e (Plug-in Hybrid): Perfect for urban dwellers and company car users. Combines a petrol engine with an electric motor, offering low BIK tax rates and the ability to complete shorter journeys on electric power alone, reducing fuel costs and environmental impact.
• 320i/330i (Petrol): A great choice for those who prefer the refinement of a petrol engine but still want a good balance of performance and economy. The 320i offers around 181bhp, while the 330i provides a more spirited 255bhp. Suitable for mixed driving.
• M340i/M3 (Performance): For the driving enthusiast who prioritises exhilarating performance. The M340i offers a powerful six-cylinder engine (around 369bhp) and xDrive all-wheel drive, while the iconic M3 is a track-focused beast with significantly more power and a firmer ride. These models command higher purchase and running costs.
• M Sport Trim: A popular choice for those wanting a sportier aesthetic without the full performance engine. Features aggressive body styling, larger alloy wheels, firmer suspension (can be a bit stiff on UK roads), M Sport interior accents, and sport seats. Available across various engine options.

All listings on Carslink.ai are sourced directly from dealer stock feeds. Always verify listing details, prices, and vehicle condition directly with the seller before purchasing.