# 2018-2025 BMW X4 M40i The BMW X4 M40i is a performance-oriented coupe-SUV that blends the practicality of the X3 with sleeker, sportier styling. Powered by a turbocharged 3.0-liter inline-six producing 382-425 horsepower (depending on year), it delivers impressive acceleration and handling dynamics that belie its SUV classification. Reviewers praise its powerful engine, sharp steering, and engaging driving experience, though criticize its compromised rear headroom and cargo space compared to the X3. The sloping roofline—while distinctive—remains divisive among enthusiasts. The X4 M40i is famous for being BMW's answer to the Porsche Macan, offering M Performance thrills without full M-car extremity or price. It's well-suited for driving enthusiasts who need occasional AWD capability and prefer style over maximum practicality. Ideal for empty-nesters or small families prioritizing performance and presence over space.
The 2018-2025 BMW X4 M40i requires premium fuel and expensive synthetic oil changes. Typical BMW issues include potential coolant system failures, turbocharger problems, and oil leaks from valve cover gaskets. High-performance tires wear quickly. Insurance costs are elevated due to luxury/performance classification. Maintenance costs significantly exceed non-luxury crossovers, with premium parts pricing.
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