2018 Bmw 330i problems
The seventh generation of the BMW 3 Series range consists of the BMW G20 (sedan version) and BMW G21 (wagon version, marketed as 'Touring') compact executive cars. The G20/G21 has been in production since mid-October 2018 with a facelift in July 2022 and is often collectively referred to as the G20.
The M340i, one of the first models in the range, became available for sale in the spring of 2019, with the 330e plug-in hybrid model scheduled for launch in 2020. The 3 Series Gran Turismo fastback body style was discontinued for the G20 generation.
For the G20 generation, BMW has begun production in Mexico for various world markets including the US, replacing the Rosslyn plant in South Africa where the previous F30 generation vehicles were assembled.
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Common 2018 Bmw 330i problems
The BMW 330i 2018 has been reported to have some common problems, primarily related to oil leaks, blower final stage fan resistor failure, and power folding mirrors.
- Blower Final Stage Fan Resistor Failure: This issue has been reported by over 100 owners of the BMW 330i 2018. The blower final stage fan resistor can fail, leading to variations in heater fan speeds, the fan not turning off when the car is turned off, or a fan that won't turn on. The problem typically occurs at 96,000 miles or more and requires a blower motor resistor replacement, which costs around $250 to $380.
- Power Folding Mirrors Folding Out Too Far: This issue has been reported by over 80 owners of the BMW 330i 2018. The power folding mirrors can fold beyond the standard position, requiring a certified service technician to reprogram the system to correct the mirror's home position. This problem typically occurs after 98,000 miles.
- Automatic Gearbox Problems: The BMW 330i 2018 can experience whining sounds from the gearbox while in gear, which increases in loudness and pitch as the speed increases. Additionally, the gears can shake and grind when changing gears, indicating transmission failure. Regular servicing is recommended to prevent these issues.
- Battery Problems: The positive battery cable connector and the matching fuse box terminal can corrode or degrade over time, causing the car to lose electrical power, resulting in a stall or an inoperable vehicle. External devices plugged into a BMW can also sap its energy, leading to battery problems.
- Dashboard Warning Lights: The BMW 330i 2018 dashboard warning lights can indicate various issues, such as critical problems that need immediate attention, active features or technologies, or non-critical warnings that need to be addressed as soon as possible.
It is essential to address these issues promptly to ensure the longevity and reliability of the BMW 330i 2018. Regular servicing and maintenance can help prevent these problems, and expert mechanics are recommended to diagnose and fix any issues that arise.
What is the most common problem on BMW 330i?
One of the most common issues across the whole 3 Series range, overheating tends to be a sign of a faulty water pump. These are resilient parts for BMW, but they eventually reach their end of life and need to be replaced.
Is the BMW 3 Series 330i reliable?
Consumer Reports (CR) gives the 2020 BMW 3 Series a reliability rating of 3 out of 5, which is average for luxury compact cars. The most common trouble spots involve the brakes and the potential for major engine work.
Are BMW 330i expensive to maintain?
The average annual repair cost for a BMW is $968, which means it has average ownership costs. The other factors that contribute to BMW reliability include an average of 0.9 visits to a repair shop per year and a 15% probability of a repair being severe.
How many miles does a BMW 330i get?
Looking at the 2022 330i, it'll get 26mpg city, 36 miles per gallon highway city, for 30 miles per gallon combined.
2018 Bmw 330i complaints
The NHTSA has received 0 complaints about various vehicle components related to the 2018 Bmw 330i.
You can leave your car complaint via the special form below.
2018 Bmw 330i recalls
The National Highway Traffic Safety Administration (NHTSA) has issued 1 recalls for different components of the 2018 Bmw 330i.
- Manufacturer: BMW of North America, LLC
- Components: ENGINE AND ENGINE COOLING:ENGINE
- Summary: BMW of North America, LLC (BMW) is recalling certain 2018 BMW 540d xDrive vehicles. The crankshaft sensor may be equipped with incorrect firmware, preventing the sensor from properly processing input from the crankshaft reluctor ring, possibly resulting in a vehicle stall. On September 12, 2018, BMW expanded the recall to a total of 5,309 vehicles including certain 2018-2019 BMW 540d xDrive, 230i M240i, M240i xDrive, X2 sDrive28i, X2 xDrive28i, X1 sDrive28i, X1 xDrive28i, 330i, 330i xDrive, 340i, 340i xDrive, 330i xDrive Gran Turismo, 530i, 530i xDrive, 540i, 540i xDrive, 530e, 530e xDrive, 640i xDrive Gran Turismo, 330e, 2019 430i Gran Coupe, 430i xDrive Gran Coupe, 440i Gran Coupe, 440i xDrive Gran Coupe, 430i, 430i xDrive, 440i, 440i xDrive, 740i, 740i xDrive, MINI Cooper, Cooper S, JCW, MINI Countryman (Cooper, Cooper All4, Cooper S, Cooper S All4, JCW All4), and MINI Clubman (Cooper, Cooper S, Cooper All4, Cooper S All4, JCW All4) vehicles.
- Consequence: A vehicle stall can increase the risk of a crash.
- Remedy: BMW will notify owners, and dealers will replace the crankshaft sensor, free of charge. The recall began September 6, 2018. Owners may contact BMW customer service at 1-800-525-7417.
Additional sources
More sources of information about 2018 Bmw 330i problems:
How reliable are 2018 330i? : r/F30
May 17, 2023 ... i have a 2018 330i with almost 35k miles, i've owned the car since 16k. no issues besides the coolant hose recall. I also work in bmw service ...
330i 2018 - what are the common problems
Jun 4, 2020 ... 2018 BMW 330i most common problems generally are corroded alloy wheels and low-profile tyres. Log in · Full Site; Top. Powered ...
2018 BMW 3 Series Problems | Kelley Blue Book
How reliable is the 2018 BMW 3 Series? See the most common repairs performed and learn if your vehicle is at risk for major repairs in the next 12 months.
BMW 330i Problems and Complaints - 10 Issues
Top BMW 330i Problems · Oil Leaks From Engine Area · Blower Final Stage Fan Resistor May Fail · Front Control Arm Bracket Bushings May Fail · Coolant Loss Due to ...
BMW 330i Coolant Leak: Q&A on 2018 Model & Common Problems
Aug 2, 2022 ... Another common issue is the radiator fill cap getting corroded and allowing coolant to evaporate past the seal. You can check the cap for crusty ...
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