BMW M635CSi Market Value & Price History
The BMW M635CSi has a market value of $25,483 to $52,514 depending on year and condition, based on 47 verified auction sales across 3 model years (1984–1986). Individual examples have sold from $12,100 to $99,500, with 6 sold in the past 12 months. 2 are listed for sale.
BMW M635CSi Value by Year
What members see for the BMW M635CSi
The value above is the headline. Pro shows you what the market did. Collector tells you what to do about it.
- All 47 sold prices across every year, and where each one sold
- The live Value Signal, and how confident it is
- A 1–5 year value projection
- A Buy / Hold / Sell call
- An alert the moment one lists or sells
- A deal verdict on each of the 2 asks listed for sale: whether it is fair, and by how many dollars
- Its value with the exact gearbox and options, wherever sales show the difference
- The best and worst months to buy and sell, and an estimated market-bottom date
- Deal Radar: listings across the market priced under their value, the best 20 at a time
- Search Agent: describe the spec you want and get an email when one lists
- Alerts on 200 cars at once (Pro: 10)
- Rad's Picks: cars for sale hand-picked by Rad, DriveIndex's founder, with an email when one is added
Not ready? A free account shows the current value and recent sale dates.
Recent BMW M635CSi Auction Results
| Sold | Year | Price | Mileage |
|---|---|---|---|
| Jun 22, 2026 | 1984 | $48,000 | 91,000 mi |
| Jun 9, 2026 | 1984 | $75,000 | 53,000 mi |
| May 22, 2026 | 1985 | $25,635 | 65,244 mi |
| May 1, 2026 | 1986 | $46,500 | 58,000 mi |
| Mar 8, 2026 | 1985 | $26,000 | 78,000 mi |
| Dec 21, 2025 | 1985 | $21,500 | 65,000 mi |
| Apr 28, 2025 | 1985 | $41,500 | 133,000 mi |
| Apr 21, 2025 | 1985 | $82,000 | 79,000 mi |
| Nov 30, 2024 | 1985 | $43,000 | 95,000 mi |
| Nov 21, 2024 | 1985 | $25,000 | 109,000 mi |
| Oct 28, 2024 | 1984 | $52,084 | 193,980 mi |
| Aug 8, 2024 | 1985 | $39,000 | 168,000 mi |
BMW M635CSi: Frequently Asked Questions
How much is a BMW M635CSi worth?
BMW M635CSi market values range from $25,483 to $52,514 depending on the model year, mileage, and condition. Recent auction sales span $12,100 to $99,500. See the year-by-year breakdown below.
Which BMW M635CSi year is best?
DriveIndex tracks the market value of every BMW M635CSi year (1984–1986), listed year by year on this page. Whether each year is appreciating, stable or depreciating is DriveIndex's Value Signal, a Pro feature, which also includes a 1–5 year projection.
How many BMW M635CSi sell per year?
6 BMW M635CSi have sold at auction in the past 12 months across all years; DriveIndex has tracked 47 sales in total.
Where can I buy a BMW M635CSi?
DriveIndex lists 2 BMW M635CSi for sale (last checked Nov 12, 2026), aggregated from the world's leading collector-car auction houses and marketplaces.