# 1977-1979 BMW 728 The BMW 728 was the entry-level variant of the first-generation 7 Series (E23), BMW's flagship luxury sedan introduced to compete with Mercedes-Benz S-Class. Powered by a 2.8-liter M30 inline-six producing around 170 horsepower, it offered refined performance with characteristic BMW smoothness. Period reviews praised its balanced handling, superior driving dynamics compared to rivals, and elegant Marcello Gandini-influenced styling. However, critics noted modest equipment levels for a luxury car and some build quality inconsistencies. The 728 is famous for establishing BMW's modern luxury sedan credentials and featuring early electronic innovations. It's somewhat infamous for rust susceptibility and electrical gremlins. **Today's Context:** Best suited for classic car enthusiasts seeking an affordable entry into vintage BMW collecting. Its parts availability, classic styling, and engaging driving experience appeal to purists, though maintenance demands patience and mechanical sympathy.
The 1977-1979 BMW 728 (E23 chassis) features relatively simple M30 inline-six engine known for durability. However, parts are increasingly scarce and expensive, especially body panels and interior trim. Rust remediation is costly. Fuel injection system requires specialist knowledge. Insurance is typically moderate for a classic car. DIY maintenance helps control costs.
Affordability Calculator
We have preconfigured our calculator for this vehicle
Why Use This Calculator?
Unlike calculators from banks or dealerships that may encourage overspending, our tool provides neutral, conservative estimates based on proven financial principles. Whether you're financing or paying cash, we help you understand what you can truly afford.
For Loan Financing:
- •Safe Range: Follows the , ensuring you can comfortably afford your car payment
- •Stretch Range: A moderate approach that balances affordability with your goals
- •Lender Max: What banks typically approve, but may strain your budget
For Cash Purchases:
- •Conservative: Uses 5% of net worth, maintaining strong financial reserves
- •Safe: Uses , following the recommended guideline
- •Stretch: Uses 15% of net worth, for when you want to prioritize the car