2003 BMW Z8 Engine Oil Type, Capacity & Service Interval
Oil Type: 0W-40 · Capacity: 5.0 Quarts · Change Every 7,500 Miles
Engine
4.9L 8-Cylinder
Recommended Oil Type
0W-40
Viscosity grade
Oil Capacity
5.0 quarts
Including filter
Change Interval
7,500 miles
Or 9 months
Oil Filter
Mobil 1 M1-110
Compatible part number
Engine Size
4.9L
8 Cylinders
Fuel Type
Gasoline
Manufacturer specified
The 2003 BMW Z8 requires 0W-40 engine oil with a capacity of 5.0 quarts (including filter). The recommended oil change interval is every 7,500 miles or 9 months, whichever comes first. The compatible oil filter is Mobil 1 M1-110. Estimated oil change cost at a US service center ranges from $50 to $100.
2003 BMW Z8 Recommended Oil Type & Formulation
For the 2003 BMW Z8, the manufacturer recommends 0W-40 full synthetic engine oil. Using the correct viscosity grade maintains proper lubrication across all operating temperatures and ensures your engine meets fuel economy specifications.
Use synthetic oil for extreme temperatures.
What does 0W-40 mean? The first number (0W) indicates cold-weather viscosity — lower is better for cold starts. The second number (40) indicates viscosity at operating temperature — higher provides more protection under load.
2003 BMW Z8 Oil Change Interval & Maintenance Schedule
7,500
Recommended Miles
9
Recommended Months
Change oil every 9 months or 7500 miles.
2003 BMW Z8 Oil Change Cost Breakdown
| Service Type | Estimated Cost | Notes |
|---|---|---|
| DIY (Parts Only) | $35–$50 | Oil + filter only |
| Quick Lube Shop | $50–$100 | Jiffy Lube, Valvoline, Firestone |
| Dealership | $100–$140 | OEM parts, manufacturer certified |
Prices vary by location and current oil prices. Always get a quote before service.
DIY Oil Change Tips for the BMW Z8
Performing your own oil change on the 2003 BMW Z8 can save $30–$60 per service. You will need: 5.0 quarts of 0W-40 full synthetic oil, a Mobil 1 M1-110, a drain pan, and a BMW-compatible oil filter wrench.
Allow the engine to warm up for 2–3 minutes before draining, then cool for 10 minutes. Torque the drain plug to manufacturer spec (typically 18–25 ft-lbs) to prevent leaks. Reset the oil life monitor if equipped after completing the service.
⚠ Reference Only: Always verify specifications with your official owner's manual. Oil specs may vary by trim level and engine variant. Consult a certified mechanic if unsure.
Estimated Change Cost
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