Complete Oil Specifications
Your 2022 Citroën C5 Aircross 1.5 BlueHDi 130 requires 5W-30 low-SAPS full synthetic oil meeting the PSA B71 2312 specification and ACEA C2 standard.
Quick Reference
| Specification | Value |
|---|---|
| Viscosity | 5W-30 |
| PSA Standard | PSA B71 2312 / ACEA C2 |
| Capacity (with filter) | 5.0 quarts |
| Oil Filter | Citroën 1109.AQ |
| Normal Interval | 12000 miles or 1 year |
Why 5W-30 PSA B71 2312 Is Critical for This Diesel
The DV5R is PSA’s compact diesel unit featuring a diesel particulate filter (DPF), common-rail direct injection, and a variable-geometry turbocharger. ACEA C2 / PSA B71 2312 oils use a low-SAPS formulation that prevents DPF clogging — high-SAPS oils accelerate ash loading and dramatically shorten DPF service life. The 5W-30 viscosity provides fast oil delivery to the turbocharger on cold starts while maintaining stable film thickness at diesel operating temperatures.
Using incorrect oil will:
- ❌ Clog the diesel particulate filter with excess ash, requiring expensive forced regeneration or replacement
- ❌ Accelerate turbocharger wear through insufficient cold-start lubrication
- ❌ Trigger reduced-performance mode on the engine management system
Citroën-Approved Oil Brands
-
✅ Total Quartz Ineo EcoB 5W-30 (PSA B71 2312)
-
✅ Castrol Edge 5W-30 C2
-
✅ Shell Helix Ultra ECT C2/C3 5W-30
-
✅ Mobil 1 ESP Formula 5W-30
-
✅ Liqui Moly Special Tec F 5W-30
Confirm the label shows PSA B71 2312 and ACEA C2. Do not substitute ACEA C3 or higher-SAPS formulations.
Severe Service Check
You need the 6000-mile interval if you:
- Drive predominantly short trips under 8 miles (insufficient for full DPF regeneration)
- Tow trailers or carry maximum payload regularly
- Drive in stop-and-go urban conditions at low average speeds
- Use the vehicle for repeated cold starts in winter
Installation Details
Drain Plug Torque: 18 ft-lbs (25 Nm)
Replace the copper sealing washer at every drain — do not reuse.
OEM Filter: Citroën 1109.AQ
Aftermarket Filters:
-
Mann-Filter HU 612/2 x
-
Mahle OX 188D
-
Bosch 1 457 429 192
Pro Tip: Short urban trips are the biggest enemy of this diesel’s DPF. If the vehicle is predominantly city-driven, plan a 20-minute motorway run monthly to trigger an active DPF regeneration and prevent ash accumulation.
FAQs
What oil does a 2022 Citroën C5 Aircross 1.5 BlueHDi take?
5W-30 full synthetic meeting PSA B71 2312 and ACEA C2.
How many quarts does it need?
5.0 quarts with a new filter, 4.7 without.
Can I use 5W-40 instead?
No. 5W-40 typically carries ACEA A3/B4 — a higher-SAPS formulation incompatible with the DPF in this engine.
What happens if the DPF clogs?
The engine enters limp mode (reduced power) and the DPF warning light illuminates. Forced regeneration or DPF replacement can cost several hundred to over a thousand euros.
How often should I change the oil?
Every 12,000 miles or 1 year for normal mixed driving. Every 6,000 miles for predominantly short or urban trips.
Need these specs on your phone? Download OilFinderPro app for offline access and oil change reminders.
Last verified: 2026-05-21 | Source: 2022 Citroën C5 Aircross Owner’s Manual