: The early four-cylinder versions of this generation generated a high volume of complaints regarding timing chains and electrical drains.
: The 540i with its 3.0L turbocharged inline-six is widely regarded as the best overall value, balancing power and efficiency. The "Gold Standard": E39 Generation (1997–2003)
When searching for a used 5 Series, most experts group them into three main categories based on their current value and reliability: bmw 5 series buying guide
: This generation redeemed BMW's reputation for reliability after some rocky years. The 2017 models are considered a great deal, often found for about 41% less than their original price while offering nearly identical tech to newer models.
Every long-running series has its "dark ages" where complexity outpaced reliability. : The early four-cylinder versions of this generation
The BMW 5 Series has been a benchmark for luxury sport sedans since 1972, evolving through eight generations of engineering. For a potential buyer, the story of the 5 Series is one of finding the "sweet spot" between the analog mechanical purity of earlier models and the high-tech, digital sophistication of the newest versions. While newer models like the are often cited as the most reliable modern options, the E39 (1997–2003) remains the undisputed "purist's choice" for its timeless design and engaging driving dynamics. The Best Generations to Buy
Watch these detailed breakdowns to see which generation fits your budget and driving style: The 2017 models are considered a great deal,
: These are currently in their "prime good deal phase," with many high-mileage examples available for under $20,000.