The 2018 BMW 3-Series, part of the F30 generation (2012-2019), is a quintessential compact luxury sports sedan, also available as a wagon (F31). Key trims included the 320i, 330i, 340i, and the plug-in hybrid 330e, alongside the high-performance M3. New, prices ranged from approximately $35,000 to over $60,000 for the M3. It stands out for its exceptional driving dynamics, precise handling, and engaging performance, making it a popular choice for enthusiasts seeking a blend of luxury and sportiness.
The Good
The 2018 3-Series boasts thrilling performance with powerful engine options and superb handling, appealing to emotional drivers. Its sophisticated design and premium interior offer comfort and prestige. Practical buyers appreciate its decent fuel efficiency (especially the 330e hybrid), advanced technology, and competitive used market value, provided maintenance is factored in. Reliability is generally good with proper care.
The Bad
Known weaknesses for the 2018 BMW 3-Series include a potentially firm ride with sport suspensions, higher ownership costs for maintenance and repairs compared to non-luxury brands, and some interior materials that might not feel as premium as direct rivals. The iDrive infotainment system can have a learning curve for new users, and some owners report minor electrical glitches.
2018 BMW 3-Series: Quick Overview
- Engine Options:
- 320i: 2.0L TwinPower Turbo inline 4-cylinder (N20/B48)
- 330i: 2.0L TwinPower Turbo inline 4-cylinder (B48)
- 330e iPerformance: 2.0L TwinPower Turbo inline 4-cylinder + electric motor
- 340i: 3.0L TwinPower Turbo inline 6-cylinder (B58)
- M3: 3.0L TwinPower Turbo inline 6-cylinder (S55)
- Horsepower:
- 320i: 180 hp
- 330i: 248 hp
- 330e: 248 hp (combined system output)
- 340i: 320 hp
- M3: 425 hp (standard) / 444 hp (Competition Package)
- Fuel Economy (EPA combined estimates, RWD automatic):
- 320i: Approx. 27-28 MPG
- 330i: Approx. 27 MPG
- 330e: Approx. 71 MPGe (electric + gasoline), 30 MPG (gasoline only)
- 340i: Approx. 25 MPG
- M3: Approx. 19-20 MPG
- 0-60 mph Times (approx.):
- 320i: 6.9-7.1 seconds
- 330i: 5.5-5.7 seconds
- 330e: 5.9-6.0 seconds
- 340i: 4.6-4.8 seconds
- M3: 3.8-4.0 seconds
- Towing Capacity: Generally not rated for significant towing in the U.S. market, as it's not designed for this purpose. European models might offer minimal capacity.
- Trim-Level Features (highlights):
- Standard Features: SensaTec upholstery, dual-zone automatic climate control, iDrive infotainment with 6.5-inch display, Bluetooth, USB, power front seats, LED headlights, push-button start.
- Sport Line: Sport seats, black exterior trim, unique wheels, sport steering wheel.
- Luxury Line: Chrome exterior trim, wood or fine-grain aluminum interior accents, specific wheels.
- M Sport Package: Aerodynamic body kit, M Sport suspension, M steering wheel, larger wheels, sport seats.
- Technology Package: Navigation system, head-up display, enhanced Bluetooth, Apple CarPlay compatibility (optional).
- Premium Package: Heated front seats, comfort access keyless entry, moonroof.
- Driver Assistance Plus: Active Driving Assistant (lane departure, forward collision, pedestrian warnings), active blind spot detection, surround-view camera.
- Harman Kardon Surround Sound System: Premium audio upgrade.
2018 BMW 3-Series Specifications
Vehicle Information
| Year | 2018 |
| Make | BMW |
| Model | 3-Series |
| Trim | - |
| Style | Sedan |
| Type | Sedan |
| Category | Compact Car |
Manufacturing Details
| Made In | Germany |
| Manufacturing City | MUNICH |
Dimensions
| Doors | 4-Door |
| Curb Weight | 1642 kg |
| Gross Vehicle Weight Rating | - |
| Overall Height | 143.51 cm |
| Overall Length | 464.31 cm |
| Overall Width | 181.1 cm |
| Wheelbase Length | 280.92 cm |
| Standard Seating | 5 |
Engine & Performance
| Engine | 2.0-L I4 |
| Engine Size | 2L |
| Engine Cylinders | 4 |
| Transmission | 8-Speed Automatic |
| Transmission Type | Automatic |
| Transmission Speeds | 8-Speed |
| Drivetrain | All-Wheel Drive |
Additional Features
| Anti-Brake System | 4-Wheel ABS |
| Steering Type | Rack & Pinion |
Pricing
| Manufacturer Suggested Retail Price (MSRP) | $43,750 USD |
| Invoice Price | $41,190 USD |
| Delivery Charges | $995 USD |
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Analysis
What Problems Does the 2018 BMW 3-Series Have?
While generally reliable for its class, the 2018 BMW 3-Series (F30 generation) isn't without its frequently reported problems and potential long-term concerns. One common area of complaint revolves around the cooling system, with issues like coolant leaks from various plastic components (e.g., charge pipe, expansion tank, thermostat housing) being reported, especially as vehicles age past 60,000 miles. Electrical gremlins can manifest as intermittent sensor failures, warning lights, or glitches with the iDrive system or door lock actuators.
Owners sometimes report issues with the electric power steering system, ranging from a loss of assist to unusual noises. Suspension components, particularly bushings and control arms, can wear out prematurely, leading to clunks or a less precise ride, often requiring attention around the 80,000-mile mark. The B48 and B58 engines are generally robust, but some instances of oil leaks from valve cover gaskets or oil filter housing gaskets have been noted. The N20 engine, found in earlier F30 320i/328i models, had a known timing chain guide issue, though this was largely addressed by 2018 and is less prevalent in the B48 engines used in later 320i/330i models.
Regarding recalls for the 2018 model year, specific campaigns have addressed issues such as a potential crank hub bolt issue on certain high-performance S55 engines (M3), which could lead to engine damage. There have also been recalls related to PCV valve heaters causing fire risks, and sometimes issues with external lighting components. Owners should always check the NHTSA website for specific recall information pertaining to their VIN. Long-term reliability is largely dependent on diligent maintenance; skipping scheduled service can lead to accelerated wear and higher repair bills.
Owners sometimes report issues with the electric power steering system, ranging from a loss of assist to unusual noises. Suspension components, particularly bushings and control arms, can wear out prematurely, leading to clunks or a less precise ride, often requiring attention around the 80,000-mile mark. The B48 and B58 engines are generally robust, but some instances of oil leaks from valve cover gaskets or oil filter housing gaskets have been noted. The N20 engine, found in earlier F30 320i/328i models, had a known timing chain guide issue, though this was largely addressed by 2018 and is less prevalent in the B48 engines used in later 320i/330i models.
Regarding recalls for the 2018 model year, specific campaigns have addressed issues such as a potential crank hub bolt issue on certain high-performance S55 engines (M3), which could lead to engine damage. There have also been recalls related to PCV valve heaters causing fire risks, and sometimes issues with external lighting components. Owners should always check the NHTSA website for specific recall information pertaining to their VIN. Long-term reliability is largely dependent on diligent maintenance; skipping scheduled service can lead to accelerated wear and higher repair bills.
How long will the 2018 BMW 3-Series last?
With diligent maintenance, a 2018 BMW 3-Series can reliably achieve 150,000 to 200,000 miles or more, equating to 10-15 years of service. Owner data suggests that those who adhere to BMW's recommended service intervals and proactively address minor issues tend to experience better long-term durability.
However, over time, common weaknesses emerge. Expect to replace suspension components (bushings, control arms, shocks) after 80,000-100,000 miles, as well as various cooling system plastics that become brittle. Electrical components like sensors and door actuators may require attention. Turbocharger components, while robust, can eventually show wear. High-mileage examples will demand more costly preventative and reactive maintenance than a typical Honda or Toyota, reflecting its premium engineering and parts.
However, over time, common weaknesses emerge. Expect to replace suspension components (bushings, control arms, shocks) after 80,000-100,000 miles, as well as various cooling system plastics that become brittle. Electrical components like sensors and door actuators may require attention. Turbocharger components, while robust, can eventually show wear. High-mileage examples will demand more costly preventative and reactive maintenance than a typical Honda or Toyota, reflecting its premium engineering and parts.
What Technology & Safety Features are Included?
The 2018 BMW 3-Series comes equipped with a sophisticated array of built-in technology and safety features. At its core is the iDrive 6.0 infotainment system, accessible via a console-mounted rotary controller and a standard 6.5-inch or optional 8.8-inch display. This system offers intuitive navigation, Bluetooth connectivity, USB ports, and often a CD player. Optional entertainment upgrades included an enhanced Harman Kardon Surround Sound System for superior audio quality, and Apple CarPlay compatibility, which was an optional integration. BMW's ConnectedDrive services also offered emergency call, concierge services, and remote access via a smartphone app.
Driver-assistance features, often bundled in packages, enhanced safety and convenience. The Active Driving Assistant package included crucial technologies like lane departure warning, forward collision warning with city collision mitigation (automatic emergency braking), and pedestrian warning. Optional features extended to active blind spot detection, a head-up display projecting key information onto the windshield, adaptive cruise control with stop-and-go functionality, front and rear parking sensors, and a surround-view camera system for easier maneuvering.
Standard safety equipment is comprehensive, including multiple airbags (front, side, curtain), anti-lock brakes (ABS), dynamic stability control (DSC), traction control, and a tire pressure monitoring system.
In terms of crash-test ratings, the 2018 BMW 3-Series (F30 sedan) generally performed well. The Insurance Institute for Highway Safety (IIHS) awarded it "Good" ratings in most crash tests, and when equipped with optional front crash prevention, it earned a "Top Safety Pick+" designation, highlighting its strong protective capabilities. The National Highway Traffic Safety Administration (NHTSA) typically gave the 3-Series high overall safety ratings, often five stars, for frontal and side crash tests, and four stars for rollover resistance.
Driver-assistance features, often bundled in packages, enhanced safety and convenience. The Active Driving Assistant package included crucial technologies like lane departure warning, forward collision warning with city collision mitigation (automatic emergency braking), and pedestrian warning. Optional features extended to active blind spot detection, a head-up display projecting key information onto the windshield, adaptive cruise control with stop-and-go functionality, front and rear parking sensors, and a surround-view camera system for easier maneuvering.
Standard safety equipment is comprehensive, including multiple airbags (front, side, curtain), anti-lock brakes (ABS), dynamic stability control (DSC), traction control, and a tire pressure monitoring system.
In terms of crash-test ratings, the 2018 BMW 3-Series (F30 sedan) generally performed well. The Insurance Institute for Highway Safety (IIHS) awarded it "Good" ratings in most crash tests, and when equipped with optional front crash prevention, it earned a "Top Safety Pick+" designation, highlighting its strong protective capabilities. The National Highway Traffic Safety Administration (NHTSA) typically gave the 3-Series high overall safety ratings, often five stars, for frontal and side crash tests, and four stars for rollover resistance.
What Colors Options are Available?
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In the meantime, feel free to explore the other sections for more content.
In the meantime, feel free to explore the other sections for more content.
2018 BMW 3-Series Prices and Market Value
When new, the 2018 BMW 3-Series had a wide MSRP range. The base 320i started around $35,000, the popular 330i was in the low $40,000s, the 340i in the mid-$40,000s, and the M3 could easily exceed $65,000. Today, in the used market, prices have depreciated significantly, offering strong value. Current prices for a 2018 model typically range from $18,000 for a higher-mileage 320i to $30,000-$35,000 for a well-optioned 340i or a lower-mileage 330i.
Depreciation is a significant factor, as luxury vehicles, especially BMWs, tend to lose value faster than many mainstream cars. Factors affecting resale value include mileage, condition, optional packages (e.g., M Sport, premium tech), drivetrain (AWD xDrive often holds value better in some regions), and maintenance history. A well-maintained vehicle with complete service records will always command a higher price.
Depreciation is a significant factor, as luxury vehicles, especially BMWs, tend to lose value faster than many mainstream cars. Factors affecting resale value include mileage, condition, optional packages (e.g., M Sport, premium tech), drivetrain (AWD xDrive often holds value better in some regions), and maintenance history. A well-maintained vehicle with complete service records will always command a higher price.
2018 BMW 3-Series Cost of Ownership
Owning a 2018 BMW 3-Series is generally considered costly, not economical. Insurance premiums tend to be higher than average due to its luxury status, performance, and repair costs. The vehicle requires premium unleaded fuel, adding to running expenses. Maintenance is significantly more expensive than non-luxury brands; specialized BMW parts and labor rates at dealerships or independent European repair shops are elevated.
Repairs, especially out-of-warranty, can be substantial for components like the cooling system, electrical modules, or suspension. Long-term ownership demands a budget for these higher ongoing costs. While the initial used purchase price might be attractive, potential owners should be prepared for the premium required to keep it running optimally.
Repairs, especially out-of-warranty, can be substantial for components like the cooling system, electrical modules, or suspension. Long-term ownership demands a budget for these higher ongoing costs. While the initial used purchase price might be attractive, potential owners should be prepared for the premium required to keep it running optimally.
2018 BMW 3-Series Fuel Efficiency
Fuel Type
Diesel
Fuel Capacity
26.29 liters
City Mileage
3.32 km/l
Highway Mileage
2.51 km/l
2018 BMW 3-Series Safety Rating
NHTSA
2018 BMW 3-Series Warranty
Basic
Original warranty
48 months / 50,000 miles
Estimated remaining
Expired
Powertrain
Original warranty
48 months / 50,000 miles
Estimated remaining
Expired
Rust
Original warranty
144 months / unlimited miles
Estimated remaining
60 months / unlimited miles
2018 BMW 3-Series Insurance
Insurance for a 2018 BMW 3-Series is moderately priced, reflecting its status as a Sedan with strong safety ratings and
reasonable repair costs.
reasonable repair costs.
How Does the 2018 BMW 3-Series Compare to Other Sedan?
The 2018 BMW 3-Series competes fiercely in the compact luxury sports sedan segment against strong rivals like the Mercedes-Benz C-Class, Audi A4, Lexus IS, Cadillac ATS, and Alfa Romeo Giulia.
In terms of Performance, the 3-Series often sets the benchmark for driving dynamics. Its agile handling, communicative steering, and powerful engines (especially the B58 in the 340i and S55 in the M3) offer a more engaging and sporty experience than the C-Class or A4, which lean slightly more towards comfort and refinement, respectively. The Alfa Romeo Giulia, however, offers a similarly thrilling and perhaps even more visceral driving feel. The Lexus IS, while reliable, often lags in outright performance and modern powertrain options.
For Features and Interior, the 3-Series offers a functional and driver-focused cabin. The Mercedes-Benz C-Class often outshines it with a more opulent and visually dramatic interior design, while the Audi A4 typically boasts a more minimalist, tech-forward cabin with superior material quality and advanced virtual cockpit. The 3-Series' iDrive system is intuitive once learned but might not feel as cutting-edge as Audi's MMI.
Reliability is a nuanced comparison. Lexus IS generally holds the crown for bulletproof long-term reliability. The BMW 3-Series, while respectable, has a reputation for higher maintenance and potential for more complex issues as it ages compared to Lexus. Audi and Mercedes-Benz fall somewhere in between, with similar European luxury vehicle ownership costs.
In terms of Price, new, they were all similarly positioned. In the used market, the 3-Series often depreciates slightly faster than the Lexus IS, but on par with or slightly better than the C-Class and A4. The Cadillac ATS and Alfa Romeo Giulia typically see steeper depreciation.
Recommendations:
The 2018 3-Series remains a strong contender for those prioritizing driving enjoyment.
In terms of Performance, the 3-Series often sets the benchmark for driving dynamics. Its agile handling, communicative steering, and powerful engines (especially the B58 in the 340i and S55 in the M3) offer a more engaging and sporty experience than the C-Class or A4, which lean slightly more towards comfort and refinement, respectively. The Alfa Romeo Giulia, however, offers a similarly thrilling and perhaps even more visceral driving feel. The Lexus IS, while reliable, often lags in outright performance and modern powertrain options.
For Features and Interior, the 3-Series offers a functional and driver-focused cabin. The Mercedes-Benz C-Class often outshines it with a more opulent and visually dramatic interior design, while the Audi A4 typically boasts a more minimalist, tech-forward cabin with superior material quality and advanced virtual cockpit. The 3-Series' iDrive system is intuitive once learned but might not feel as cutting-edge as Audi's MMI.
Reliability is a nuanced comparison. Lexus IS generally holds the crown for bulletproof long-term reliability. The BMW 3-Series, while respectable, has a reputation for higher maintenance and potential for more complex issues as it ages compared to Lexus. Audi and Mercedes-Benz fall somewhere in between, with similar European luxury vehicle ownership costs.
In terms of Price, new, they were all similarly positioned. In the used market, the 3-Series often depreciates slightly faster than the Lexus IS, but on par with or slightly better than the C-Class and A4. The Cadillac ATS and Alfa Romeo Giulia typically see steeper depreciation.
Recommendations:
- For ultimate driving thrills: Consider the Alfa Romeo Giulia for a truly passionate driving experience, or the Cadillac ATS for a sharp, American take on the sports sedan.
- For superior interior luxury and comfort: The Mercedes-Benz C-Class is an excellent alternative.
- For cutting-edge technology and a refined cabin: The Audi A4 is a compelling choice.
- For rock-solid long-term reliability: The Lexus IS remains the benchmark.
The 2018 3-Series remains a strong contender for those prioritizing driving enjoyment.
Final Verdict: Is the 2018 BMW 3-Series a Good Sedan?
The 2018 BMW 3-Series is ideal for driving enthusiasts and individuals who appreciate a balanced blend of luxury, performance, and German engineering. It caters to those seeking an engaging driving experience without sacrificing everyday practicality.
It is definitely worth buying, but primarily as a used vehicle, given its significant depreciation from new. The optimal conditions for purchase include a thorough pre-purchase inspection by a BMW specialist, a complete service history, and ideally, lower mileage. Trims like the 330i offer an excellent balance of power and efficiency for most buyers, while the 340i provides a substantial performance upgrade with its smooth inline-six engine. The 330e offers compelling fuel economy for eco-conscious drivers. Buyers must be prepared for higher maintenance and repair costs inherent to luxury European vehicles. It's a rewarding car for those who can afford its premium upkeep.
It is definitely worth buying, but primarily as a used vehicle, given its significant depreciation from new. The optimal conditions for purchase include a thorough pre-purchase inspection by a BMW specialist, a complete service history, and ideally, lower mileage. Trims like the 330i offer an excellent balance of power and efficiency for most buyers, while the 340i provides a substantial performance upgrade with its smooth inline-six engine. The 330e offers compelling fuel economy for eco-conscious drivers. Buyers must be prepared for higher maintenance and repair costs inherent to luxury European vehicles. It's a rewarding car for those who can afford its premium upkeep.
Cathleen V
Cathleen is an exceptional freelance writer covering hot topics in the automotive world from a gearhead's perspective. Her articles delve into various aspects of automotive technology and history, offering readers detailed insights into engine performance, reliability, and maintenance. Through her engaging and informative writing, Cathleen provides valuable information to automotive enthusiasts and consumers alike, helping them make informed decisions about vehicle maintenance and purchases.