0W30 C2 Fully Synthetic Engine Oil for PSA B71 2312 Blue HDi

0W-30 C2 Fully Synthetic Engine Oil – PSA B71 2312

Westway Oils 0W-30 C2 fully synthetic engine oil is formulated for compatible petrol and diesel engines requiring ACEA C2 and PSA B71 2312, including selected Peugeot and Citroën BlueHDi applications. It supports fuel-efficient operation, rapid cold-start circulation and protection against wear, oxidation and combustion deposits.

Available in 1-litre, 5-litre, 6-litre, 7-litre and 20-litre sizes, making it suitable for top-ups, a complete service or workshop use.

Specifications and performance levels

• SAE 0W-30
• ACEA C2
• API SN/CF
• PSA B71 2312
• Fiat 9.55535-GS1
• Fiat 9.55535-DS1
• BMW Longlife-12 FE

Typical applications

Designed for selected Peugeot, Citroën, DS, Fiat and BMW petrol or diesel engines where the handbook specifies SAE 0W-30 with PSA B71 2312, ACEA C2 or another matching performance level listed above. It is commonly associated with compatible PSA BlueHDi engines, but the exact engine requirement must be confirmed before ordering.

Key benefits

• Supports fuel efficiency in compatible engines
• Excellent low-temperature flow for cold starts
• Helps reduce engine wear and oxidation
• Helps control combustion deposits and maintain cleanliness
• Maintains lubricating performance across typical UK operating temperatures
• Fully synthetic formulation for consistent service performance

Technical data

Specific gravity at 15.6°C	0.843
Kinematic viscosity at 40°C	61.9 cSt
Kinematic viscosity at 100°C	11.2 cSt
Viscosity index	177
Flash point, COC	210°C
Pour point	-50°C
Sulphated ash	0.8% wt
Colour	Golden

Compatibility advice

Do not choose this oil only because the vehicle is a Peugeot, Citroën, DS, Fiat or BMW. Confirm the exact viscosity and specification in the handbook or manufacturer service data. PSA B71 2312 is not automatically interchangeable with other PSA oil requirements.

Frequently asked questions

Is this suitable for all BlueHDi engines?
No. It is suitable for BlueHDi applications that specifically require PSA B71 2312 and SAE 0W-30.

Is this a low-SAPS oil?
ACEA C2 is an emissions-system-compatible category, but the vehicle must still specify ACEA C2 or PSA B71 2312.

Which pack size do I need?
Check the engine's oil capacity, including the filter allowance. A 1-litre bottle is useful for top-ups; larger packs suit full services or workshop use.