# 1998-2001 BMW 730d The E38-generation BMW 730d brought diesel refinement to the flagship 7 Series, pairing a 3.0-liter inline-six turbodiesel producing 184-193 horsepower with traditional BMW luxury. This elegant sedan offered impressive fuel economy—unusual for a full-size luxury car—while maintaining the marque's sporting pretensions. Enthusiasts praise its smooth M57 diesel engine, solid build quality, and timeless Bojana Jovanovski styling, though electronics and air suspension can prove troublesome with age. The 730d became famous for demonstrating that diesel power needn't compromise luxury or driving dynamics. Today, it suits buyers seeking affordable entry into classic BMW luxury with lower running costs than petrol V8 variants. Ideal for long-distance cruising and those who appreciate understated elegance, though prospective owners should budget for maintenance on 25-year-old premium German technology.
The 1998-2001 BMW 730d features a reliable M57 diesel engine but faces expensive repairs for common issues: electronic gremlins, air suspension failures, and complex electrical systems requiring dealer diagnostics. Parts are costly and specialist labor essential. However, diesel fuel economy is excellent for the class, and engine longevity exceeds gasoline variants when maintained properly.
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