Bosch Breather Valve, fuel tank 0280142543 – BMW

What is the Bosch Breather Valve 0280142543?

The Bosch 0280142543 is a fuel tank breather valve, also known as a purge valve or tank ventilation valve. It is part of the EVAP (Evaporative Emission Control) system and is designed to control the flow of fuel vapors from the fuel tank to the engine intake for combustion, helping reduce emissions.

Which BMW models use this breather valve?

This Bosch breather valve is compatible with several BMW petrol engine models, including:

• BMW 3 Series (E30, E36)
• BMW 5 Series (E28, E34)
• BMW 7 Series (E32)
• BMW Z3 and select other models with M20, M30, or early M50 engines

Exact fitment depends on engine type and model year. Please verify with your VIN or current part number.

Is 0280142543 a genuine Bosch product?

Yes. This is an original Bosch-manufactured part, produced to OEM standards for BMW. It is supplied with the Bosch branding and part number for authenticity and traceability.

What are the symptoms of a faulty breather valve?

Common signs of a failing breather valve include:

• Check Engine Light (MIL) illuminated
• Rough idle or poor fuel economy
• Fuel smell near the car
• Difficulty starting, especially after refueling

These symptoms may indicate the valve is stuck open or closed, disrupting proper vapor flow.

Can this valve be cleaned or repaired?

While some users attempt cleaning, Bosch recommends replacement if the valve is malfunctioning. Cleaning may not resolve internal electrical or mechanical issues.

Is special programming needed after installation?

No. This breather valve is plug-and-play. Once installed, the ECU typically adapts automatically. It is good practice to clear any stored error codes using a diagnostic scanner after replacement.

Is it suitable for both manual and automatic transmission vehicles?

Yes. As long as the engine configuration supports this valve, it functions independently of the transmission type.

Do you offer trade pricing for workshops or resellers?

Yes. We provide wholesale and volume discounts for repair shops, parts dealers, and exporters. Please contact sales@triple-a-trading.com for pricing inquiries.

Do you ship internationally?

Yes. We export from Dubai and ship worldwide via express couriers or freight services. All shipments include tracking and export documentation.

What is the warranty on the 0280142543 breather valve?

This Bosch valve is covered by a 12-month warranty against manufacturing defects, provided it is installed correctly and under normal operating conditions.

How can I confirm compatibility before ordering?

To confirm fitment, please provide your BMW VIN, engine code, or the existing part number. Our team will verify compatibility to ensure you receive the correct part.