What Oil Should I Use in My BMW?

This is one of the most asked questions in the BMW community, and there's a lot of bad advice out there. Let's settle it.

The Short Answer

• Petrol engine: BMW LL-01 approved, 0W-30 or 5W-30
• Diesel with DPF: BMW LL-04 approved, 0W-30 or 5W-30
• M car (S54, S65, S85): 10W-60 (BMW's specific recommendation)
• M car (S55, S58, S63): BMW LL-01, 0W-30 or 0W-40

The Long Answer

Why BMW Approval Matters

BMW tests and certifies specific oils for their engines. The approval number (LL-01, LL-04, etc.) guarantees the oil meets BMW's requirements for:

• Viscosity stability at high temperatures
• Shear resistance under turbo conditions
• Compatibility with seals and gaskets
• HTHS (High Temperature High Shear) viscosity
• Deposit control

Can I Use Non-Approved Oil?

Technically yes, but you're taking a risk. Non-approved oils may:

• Not protect turbo bearings adequately
• Cause premature seal degradation
• Void your warranty (if applicable)
• Clog the DPF (if using non-LL-04 in a diesel)

Our Top Picks

Daily Driving

• Castrol Edge 0W-30 LL — BMW LL-01 approved, excellent all-rounder
• Shell Helix Ultra 5W-30 — BMW LL-01 approved, widely available
• Mobil 1 ESP 0W-30 — BMW LL-04 approved (diesel-safe too)

Spirited Driving / Track

• Motul X-cess 8100 5W-40 — BMW LL-01, better high-temp protection
• Liqui Moly Top Tec 4100 5W-40 — BMW LL-01, German-made
• Red Line 5W-40 — Not BMW-approved but excellent for track use

M Cars (S54, S65, S85)

• BMW 10W-60 TWS — BMW's own oil for these engines
• Castrol Edge 10W-60 — alternative
• These engines NEED 10W-60 — the bearing clearances are designed for it

How Often to Change

Forget BMW's CBS system that says 24,000 km. Here's what actually works:

Driving Style	Interval
Easy commuting	12,000 km or 1 year
Mixed driving	10,000 km or 1 year
Spirited driving	8,000 km
Track use	5,000 km or after each track day
Turbo engines	8,000-10,000 km max

FAQ

Q: Can I mix 0W-30 and 5W-30?
A: Yes, in an emergency. They're compatible. But don't make a habit of it.

Q: Should I use 0W-40 instead of 0W-30?
A: For most street driving, 0W-30 is fine. If you drive hard or track the car, 0W-40 or 5W-40 provides a bit more protection at high temps.

Q: Is expensive oil worth it?
A: Yes. The difference between cheap and premium oil is €20-30 per change. Your engine costs €5,000-15,000 to replace. Don't cheap out on oil.