Purpose and Specifications

Febi Bilstein 171871 Transmission Oil is a premium 1-liter fluid designed for direct shift gearboxes (DCT) in vehicles like BMW X1, Mercedes A-Class, B-Class, Mini Cooper, and others. It meets exact specs including BMW DCTF 2, Ford F-DC, Mercedes MB 239.21, Renault DW5, Fiat 9.55550-MW1, and VW G 053 013 M2, ensuring smooth dual-clutch operation.

This oil delivers low compressibility for precise gear shifts without shudder, high corrosion protection to shield metal parts, and excellent thermal stability that keeps it performing in temps from -40°C to 150°C. It resists ageing, sticks to parts for lasting lubrication, prevents sludge buildup, foam, and deposits, promoting efficient transmission life.

• Practical benefits: Reduces friction and wear for effortless shifting, eliminates gear stiffness and axle whine.
• Volume: 1 liter (perfect for service fills).
• Weight: 0.846 kg per bottle.

When to Use / Replace?

Use Febi Bilstein 171871 in compatible DCT transmissions to maintain factory performance and avoid costly repairs. Replace every 60,000 km or 48 months, or sooner under severe conditions like towing, city stop-go driving, or high heat—check your owner’s manual for exact intervals.

Shelf life is 5 years unopened in cool, dry storage. Regular changes ensure smooth operation, extend transmission life up to 200,000+ km, and protect against premature failure.

FAQ

Q: Is this oil suitable for my BMW X1?
A: Yes, it matches BMW DCTF 2 spec for X1 models like sDrive 18i and 20i, providing seamless dual-clutch performance.

Q: How often should I change DCT fluid?
A: Every 60,000 km or 4 years typically; inspect if you notice rough shifts or noises.

Q: Can I mix it with other fluids?
A: No—always flush and use only matching spec to prevent damage.