E85/E86
BMW Z4 (2003–2008)
Maintenance Schedule
9 recurring services keep the 2003–2008 BMW Z4 healthy — starting with oil changes every 5,000 miles. Budget roughly $2,300–3,800 in routine maintenance over 100,000 miles at typical U.S. shop prices.
Applies to model years 2003, 2004, 2005, 2006, 2007, 2008
Full schedule
Intervals follow the factory maintenance schedule for the 2003-2008 BMW Z4. Cost ranges are typical U.S. shop prices.
| Service | Interval | Est. cost | Notes |
|---|---|---|---|
| Oil Change | Every 5,000 mi or 6 mo | $30–50 | Engine oil and filter replacement |
| Cabin Air Filter | Every 15,000 mi or 12 mo | $20–30 | Cabin air filter replacement |
| Brake Fluid | Every 24,000 mi or 2 yr | $55–75 | Brake fluid replacement |
| Convertible Top | Every 30,000 mi or 2 yr | $150–300 | Convertible top mechanism service |
| Tune-up | Every 60,000 mi or 4 yr | $150–250 | Spark plugs, air filter, fuel filter |
| Transmission Service | Every 60,000 mi or 5 yr | $150–220 | Transmission fluid replacement |
| Coolant Flush | Every 60,000 mi or 6 yr | $100–150 | Engine coolant replacement |
| VANOS Service | Every 60,000 mi or 5 yr | $400–600 | VANOS variable valve timing service |
| Differential Service | Every 60,000 mi or 6 yr | $120–180 | Rear differential fluid replacement |
Common questions
How often should I change the oil on a 2003–2008 BMW Z4?
Every 5,000 miles or 6 months, whichever comes first. A typical U.S. shop charges $30–50. Engine oil and filter replacement.
How much does it cost to maintain a BMW Z4 (2003–2008)?
Routine maintenance on the 2003–2008 BMW Z4 runs roughly $2,300–3,800 over 100,000 miles at typical U.S. shop prices, spread across 9 recurring services. Independent shops usually land near the low end; dealers near the high end.
What is the most expensive scheduled service on this Z4?
VANOS Service at $400–600, due every 60,000 miles. VANOS variable valve timing service.
Cost ranges are estimates for typical U.S. independent shops and dealers; your local prices will vary. Always confirm intervals against your owner's manual — severe driving conditions (towing, short trips, extreme heat or cold) shorten many of them.