The BMW 428, a sleek and stylish coupe, convertible, and Gran Coupe, has captured the hearts of driving enthusiasts seeking a blend of performance and luxury. However, like any car model, some years are more desirable than others due to improvements in design, reliability, and features. This guide will delve into the best years of the BMW 428, highlighting the models that offer the most value and enjoyment, while also pointing out potential pitfalls to avoid.
BMW 428 Model Years: A Quick Overview
| Model Year | Notable Features/Improvements | Potential Issues/Concerns |
|---|---|---|
| 2014 | First year of production, sleek design, standard features like iDrive system. | Potential for early production glitches, timing chain issues reported in some N20 engines. |
| 2015 | Minor software updates, slight interior refinements. | Similar potential issues to 2014, timing chain concerns persist. |
| 2016 | No major changes, continued refinement of existing features. | Timing chain issues still a concern, although possibly less prevalent. |
| 2017 | Introduction of LCI (Life Cycle Impulse) facelift: updated headlights, taillights, interior trim. | N20 engine still used, timing chain issues remain a possibility. |
| 2018 | Final year for the N20 engine, continued LCI enhancements. | Timing chain remains a potential issue, although most likely addressed in later models with updated parts. |
| 2019 (430i) | Engine Upgrade: Switched to the B48 engine (430i). Improved performance and reliability. | Limited availability as the 428 was replaced. |
| Years to Avoid (Specific cases): | Any 428 with documented timing chain issues. | High mileage models with no service history. |
Detailed Explanations: Model Year Breakdown
2014: The 2014 BMW 428 marked the introduction of the 4 Series, offering a more sporty and stylish alternative to the 3 Series sedan. It came standard with features like BMW's iDrive infotainment system, comfortable seating, and a responsive chassis. However, being the first year of production, there's a higher chance of encountering early production glitches or unforeseen issues. Specifically, the N20 engine used in this model year has been known to have timing chain issues, which can be costly to repair.
2015: The 2015 model year brought minor software updates and slight interior refinements to the 428. While not a significant overhaul, these small improvements contributed to a slightly more refined driving experience. However, the potential for timing chain issues in the N20 engine remained a concern, similar to the 2014 model. Careful inspection and a thorough pre-purchase inspection are crucial.
2016: The 2016 BMW 428 saw continued refinement of existing features, with no major changes from the previous year. While the car remained a capable and enjoyable performer, the timing chain issues associated with the N20 engine were still a potential risk. Checking the vehicle's service history for any timing chain-related repairs is highly recommended.
2017: The 2017 model year marked a significant update with the introduction of the LCI (Life Cycle Impulse) facelift. This included updated headlights, taillights, and interior trim, giving the 428 a more modern and refreshed appearance. Despite these improvements, the N20 engine was still used, meaning the timing chain issues remained a possibility. However, some believe that the later 2017 models might have incorporated updated parts to address the timing chain problem, though this is not definitively confirmed.
2018: The 2018 BMW 428 was the final year for the N20 engine. It continued to benefit from the LCI enhancements introduced in 2017. While the timing chain remained a potential concern, it's likely that many of these issues would have been addressed under warranty or through preventative maintenance by this point. If considering a 2018 model, prioritize vehicles with a well-documented service history, especially regarding timing chain maintenance.
2019 (430i): In 2019, the 428 was replaced by the 430i, which featured a significant upgrade: the B48 engine. This engine is known for its improved performance and reliability compared to the N20. While not a 428, the 430i represents a superior option for those seeking a similar driving experience with less risk of major engine issues. The B48 engine is generally considered more robust and less prone to timing chain problems.
Years to Avoid (Specific Cases): While the specific model years mentioned above have general trends, it's crucial to remember that individual vehicle condition matters most. Avoid any 428 with documented timing chain issues, regardless of the model year. High-mileage models with no service history also present a higher risk of encountering costly repairs down the line. Always prioritize a thorough pre-purchase inspection by a qualified mechanic.
Timing Chain Issues (N20 Engine): The N20 engine, found in the 2014-2018 BMW 428, is known to have a potential weakness in its timing chain. The timing chain can stretch or break, leading to serious engine damage. Symptoms include a rattling noise from the engine, especially on startup. Regular oil changes and preventative maintenance can help mitigate the risk, but it's crucial to be aware of this potential issue when considering a 428 with the N20 engine.
LCI (Life Cycle Impulse): LCI refers to a mid-cycle refresh that BMW often implements to update its models. The LCI for the 4 Series, introduced in 2017, included cosmetic changes such as updated headlights, taillights, and interior trim. These updates give the car a more modern and refreshed appearance, making the 2017 and 2018 models more visually appealing to some buyers.
B48 Engine (430i): The B48 engine is a 2.0-liter turbocharged four-cylinder that replaced the N20 in the 430i. It is generally considered to be more reliable and offers improved performance. The B48 engine is a significant upgrade over the N20 and is a key reason to consider a 430i over a 428.
iDrive System: BMW's iDrive system is the infotainment system that controls various functions of the car, including navigation, audio, and vehicle settings. The iDrive system has been updated over the years, with newer versions offering improved functionality and a more user-friendly interface. While the iDrive system in the 428 is functional, it may not be as advanced as the systems found in newer BMW models.
Frequently Asked Questions
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Which BMW 428 year is the most reliable? Generally, the later years (2017-2018) with documented service history are considered more reliable, but the 2019 430i with the B48 engine is the most reliable due to its improved engine design.
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What is the biggest problem with the BMW 428? The biggest problem is the potential for timing chain issues in the N20 engine, which can lead to costly repairs.
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How can I check for timing chain issues? Listen for a rattling noise from the engine, especially on startup, and check the vehicle's service history for any timing chain-related repairs. A pre-purchase inspection by a qualified mechanic is crucial.
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Is the BMW 428 expensive to maintain? BMW ownership generally comes with higher maintenance costs compared to other brands, and the 428 is no exception. Regular maintenance and addressing potential issues promptly can help mitigate these costs.
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Should I buy a BMW 428 with high mileage? High-mileage models can be a good value if properly maintained, but require a thorough inspection and careful consideration of potential future repairs. Prioritize vehicles with a well-documented service history.
Conclusion
Choosing the best year for a BMW 428 depends on your priorities and budget. While the 2017 and 2018 models offer updated styling and potential improvements to the N20 engine, the 2019 430i with the B48 engine represents a significant leap in reliability. Ultimately, a thorough pre-purchase inspection and a review of the vehicle's service history are essential to making an informed decision and finding a 428 that will provide years of driving enjoyment.