Vaico V40-0557 Fuel Tank Cap

Fuel Tank Cap for BMW and Mercedes-Benz

The Vaico V40-0557 fuel tank cap is a black, non-locking replacement cap for select BMW and Mercedes-Benz applications. With a compact 67.5 mm width and 33 mm height, it is built for direct-fit fuel system service on many 1990s BMW 318i, 325i, 525i, and 740i models, as well as select Mercedes-Benz E-Class and S-Class vehicles.

VAICO focuses on application-specific replacement parts, and the VAICO line is used across European vehicle maintenance for fitment-driven service parts like this fuel tank cap. If you are replacing a worn, missing, or damaged cap, part number V40-0557 provides a straightforward option for the listed vehicles.

Key Features

• Brand: Vaico / VAICO
• Part number: V40-0557
• Fuel tank cap, non-locking design
• Black finish
• Dimensions: 67.5 mm width, 67.5 mm length, 33 mm height
• Lightweight construction at 0.068 kg
• Fits select BMW and Mercedes-Benz fuel tank applications

Fitment Details

• Fits 1992-1996 BMW 318i, N/A; Grade: Aftermarket; Non Locking; VAICO
• Fits 1992-1996 BMW 318is, N/A; Grade: Aftermarket; Non Locking; VAICO
• Fits 1995-1996 BMW 318ti, N/A; Grade: Aftermarket; Non Locking; VAICO
• Fits 1996 BMW 328i, N/A; Grade: Aftermarket; Non Locking; VAICO
• Fits 1996 BMW 328is, N/A; Grade: Aftermarket; Non Locking; VAICO
• Fits 1993-1996 BMW 740iL, N/A; Grade: Aftermarket; Non Locking; VAICO
• Fits 1992-1995 BMW 325i, N/A; Grade: Aftermarket; Non Locking; VAICO
• Fits 1993-1995 BMW 325is, N/A; Grade: Aftermarket; Non Locking; VAICO
• Fits 1990-1995 BMW 525i, N/A; Grade: Aftermarket; Non Locking; VAICO
• Fits 1994-1995 BMW 530i, N/A; Grade: Aftermarket; Non Locking; VAICO
• Fits 1994-1995 BMW 540i, N/A; Grade: Aftermarket; Non Locking; VAICO
• Fits 1993-1995 BMW 740i, N/A; Grade: Aftermarket; Non Locking; VAICO
• Fits 1990-1995 BMW 750iL, N/A; Grade: Aftermarket; Non Locking; VAICO
• Fits 1994-1995 BMW 840Ci, N/A; Grade: Aftermarket; Non Locking; VAICO
• Fits 1993-1995 BMW 850Ci, N/A; Grade: Aftermarket; Non Locking; VAICO
• Fits 1994-1995 BMW 850CSi, N/A; Grade: Aftermarket; Non Locking; VAICO
• Fits 1995 BMW M3, N/A; Grade: Aftermarket; Non Locking; VAICO
• Fits 1995 Mercedes-Benz E300, N/A; Compatible with front suspension stabilizer bar link kit, brake hydraulic hose, and steering tie rod end installations.; VAICO
• Fits 1994-1995 Mercedes-Benz E420, N/A; Compatible with front suspension stabilizer bar link kit, brake hydraulic hose, and steering tie rod end installations.; VAICO
• Fits 1994 Mercedes-Benz E500, N/A; Compatible with front suspension stabilizer bar link kit, brake hydraulic hose, and steering tie rod end installations.; VAICO
• Fits 1990-1993 BMW 325i, N/A; Grade: Aftermarket; Central Locking System; Non Locking; VAICO
• Fits 1990-1993 BMW 535i, N/A; Grade: Aftermarket; Non Locking; VAICO
• Fits 1990-1993 Mercedes-Benz 190E, N/A; Compatible with front suspension stabilizer bar link kit, brake hydraulic hose, and steering tie rod end installations.; VAICO
• Fits 1990-1993 Mercedes-Benz 300CE, N/A; Compatible with front suspension stabilizer bar link kit, brake hydraulic hose, and steering tie rod end installations.; VAICO
• Fits 1990-1993 Mercedes-Benz 300D, N/A; Compatible with front suspension stabilizer bar link kit, brake hydraulic hose, and steering tie rod end installations.; VAICO
• Fits 1990-1993 Mercedes-Benz 300E, N/A; Compatible with front suspension stabilizer bar link kit, brake hydraulic hose, and steering tie rod end installations.; VAICO
• Fits 1990-1993 Mercedes-Benz 300TE, N/A; Grade: Aftermarket; Standard; VAICO
• Fits 1992-1993 Mercedes-Benz 400E, N/A; Compatible with front suspension stabilizer bar link kit, brake hydraulic hose, and steering tie rod end installations.; VAICO
• Fits 1992-1993 Mercedes-Benz 500E, N/A; Compatible with front suspension stabilizer bar link kit, brake hydraulic hose, and steering tie rod end installations.; VAICO
• Fits 1990-1992 BMW 325is, N/A; Grade: Aftermarket; Central Locking System; Non Locking; VAICO
• Fits 1990-1992 BMW 735i, N/A; Grade: Aftermarket; Non Locking; VAICO
• Fits 1990-1992 BMW 735iL, N/A; Grade: Aftermarket; Non Locking; VAICO
• Fits 1991-1992 BMW 850i, N/A; Grade: Aftermarket; Non Locking; VAICO
• Fits 1991 BMW 318i, N/A; Grade: Aftermarket; Central Locking System; Non Locking; VAICO
• Fits 1991 BMW 318is, N/A; Grade: Aftermarket; Central Locking System; Non Locking; VAICO
• Fits 1990-1991 BMW 325iX, N/A; Grade: Aftermarket; Central Locking System; Non Locking; VAICO
• Fits 1990-1991 BMW M3, N/A; Grade: Aftermarket; Central Locking System; Non Locking; VAICO
• Fits 1990-1991 Mercedes-Benz 300SE, N/A; Compatible with front suspension stabilizer bar link kit, brake hydraulic hose, and steering tie rod end installations.; VAICO
• Fits 1990-1991 Mercedes-Benz 300SEL, N/A; Compatible with front suspension stabilizer bar link kit, brake hydraulic hose, and steering tie rod end installations.; VAICO
• Fits 1991 Mercedes-Benz 350SD, N/A; Compatible with front suspension stabilizer bar link kit, brake hydraulic hose, and steering tie rod end installations.; VAICO
• Fits 1990-1991 Mercedes-Benz 350SDL, N/A; Compatible with front suspension stabilizer bar link kit, brake hydraulic hose, and steering tie rod end installations.; VAICO
• Fits 1990-1991 Mercedes-Benz 420SEL, N/A; Compatible with front suspension stabilizer bar link kit, brake hydraulic hose, and steering tie rod end installations.; VAICO
• Fits 1990-1991 Mercedes-Benz 560SEC, N/A; Compatible with front suspension stabilizer bar link kit, brake hydraulic hose, and steering tie rod end installations.; VAICO
• Fits 1990-1991 Mercedes-Benz 560SEL, N/A; Compatible with front suspension stabilizer bar link kit, brake hydraulic hose, and steering tie rod end installations.; VAICO

Common Uses

• Replacing a missing or damaged BMW fuel tank cap
• Restoring a secure closure on select Mercedes-Benz fuel filler openings
• Addressing fuel cap wear on older BMW 3 Series, 5 Series, 7 Series, and 8 Series models
• Servicing non-locking fuel cap applications on listed European vehicles
• Matching an aftermarket replacement by part number V40-0557

Installation Notes

Verify the fuel filler neck style and vehicle application before ordering. This is a non-locking fuel tank cap, so it should be matched to the listed BMW and Mercedes-Benz fitments only. Confirm the cap dimensions, especially the 67.5 mm width, when comparing against the original part.

Cross-reference part numbers include Gates 31720 and FEL-PRO 35365 for the same application.

Quality Assurance

VAICO replacement parts are cataloged for application-specific European vehicle service, and this fuel tank cap is identified by part number V40-0557 for fitment verification. Use the listed vehicle coverage and dimensions to confirm the correct replacement before installation.