BMW Buyer's Guide
Brand Overview
BMW (founded 1916) is the "Ultimate Driving Machine." From the 2002 that started it all to modern M cars, BMW offers driver-focused vehicles across all segments. Strong UK presence.
What Makes BMW Special
- Driving Dynamics: Rear-wheel drive heritage
- M Division: Motorsport-derived performance
- Engine Excellence: Silky sixes
- Technology: iDrive, efficiency innovations
The M Car Hierarchy
| Tier | Models |
|---|---|
| Ultimate | M3/M4 CSL, M5 CS |
| Core M | M3, M4, M5, M8 |
| M Performance | M340i, M550i |
| Entry M | M135i, M235i |
Classic Values
| Model | Value |
|---|---|
| M1 | £500k+ |
| E30 M3 | £70k+ |
| E46 M3 CSL | £100k+ |
| Z8 | £200k+ |
Engine Codes
| Code | Type | Notes |
|---|---|---|
| N52 | 3.0 NA | Reliable, smooth |
| N54 | 3.0 TT | Powerful, issues |
| N55 | 3.0 T | Improved N54 |
| S55 | 3.0 TT | M3/M4, crank hub |
| B58 | 3.0 T | Excellent modern |
| S58 | 3.0 TT | New M3/M4 |
Common Issues ⚠️
- N54: Wastegate rattle, injectors, HPFP
- N47 Diesel: Timing chain
- S55: Crank hub (track use)
- iDrive: Screen failures (older)
Running Costs
| Model | Annual Budget |
|---|---|
| 3/4 Series | £1,000-2,000 |
| M340i/M440i | £1,500-2,500 |
| M3/M4 | £2,500-5,000 |
| M5/M8 | £4,000-8,000 |
Buying Recommendations
- Entry M: M240i - brilliant all-rounder
- Classic M: E46 M3 - peak analogue
- Modern M: G80/G82 M3/M4 - controversial looks, brilliant drive
- Investment: E30 M3 - always rising
- GT: M850i - grand touring excellence