BMW X1 Diesel Particulate Filter DPF E84 (2009-2015)

The Diesel Particulate Filter (DPF) on the BMW X1 E84 (2009-2015 models with N47 Diesel engines) is an essential component of the exhaust system designed to comply with Euro 5 emission standards. Made from high-quality materials such as cordierite or silicon carbide, the DPF captures soot particles from the exhaust gases of 2.0-liter diesel engines, helping reduce harmful emissions.

Signs that a DPF may be clogged or failing include:

• Persistent DPF or Check Engine warning lights on the dashboard.
• Loss of engine power, stalling, or black smoke emissions.
• Increased fuel consumption and abnormal rise in engine oil level.
• A DPF may hold up to 60 grams of ash before it fails completely.

Addressing these symptoms early helps avoid costly repairs or replacements.

DPF maintenance options include:

• Passive regeneration: Driving at 60-80 km/h for 25-30 minutes on highways enables high exhaust temperatures that burn off soot.
• Chemical additives: Sprayable additives dissolve ash and soot deposits, supporting catalytic converter function.
• Manual cleaning: Professional jet washing after DPF removal to clear accumulated residues.
• Diagnostic tools: Devices like VCDS can force regeneration cycles electronically.

Regular care, especially for urban-driven vehicles, helps maintain DPF performance and lowers emissions.

The recommended replacement interval for the DPF is approximately 120,000 km according to European standards. Real-world experiences suggest replacement between 145,000 and 185,000 km to avoid failures.

• Replacement is mandatory for vehicles with OBD systems and Euro 5 compliance.
• Only use original, high-quality DPFs designed for your specific engine model and configuration.
• Replacement often requires resetting the system with diagnostic tools afterwards.

Replacing the DPF at the right time preserves engine performance and reduces pollutant emissions.

Yes, DPF replacement can be done by experienced DIYers following detailed procedures:

• Remove sensor connectors (approx. 8-10 screws and 3 main sensors to detach).
• Unscrew and carefully pull down the DPF; no need to remove the wheel or suspension arm.
• Install the new DPF with the supplied mounting kit.
• Perform a system reset using diagnostic tools to ensure proper function.

Always refer to the official manuals or tutorial videos for exact instructions and safety precautions before starting the replacement.

DPF regeneration is confirmed by:

• The DPF or Check Engine warning light turning off after a regeneration cycle.
• Monitoring exhaust gas pressure sensors data via OBD diagnostic tools showing reduced pressure differential.
• Positive driving conditions such as sustained speeds on the highway allowing passive regeneration.
• Using software programs designed for BMW to check regeneration status.

If regeneration does not occur or is incomplete, professional cleaning or replacement may be required.

Blocking or removing the Exhaust Gas Recirculation (EGR) system may adversely affect engine and DPF performance. Issues include:

• Increased soot production leading to faster DPF clogging.
• Potential engine error codes and warning lights.
• Reduced lifespan of the DPF and associated components caused by unregulated exhaust gas flow and pressure.

It is strongly advised to maintain the EGR system intact as designed for your BMW X1 E84 Diesel to ensure optimal emission control and engine health.

Krosfou offers brand new, high-performance Diesel Particulate Filters and catalytic converters with a 3-year warranty, manufactured in Europe to the highest quality standards using INOX 409 stainless steel and advanced ceramic monoliths.

• Certified by leading automotive quality authorities (TÜV SÜD), matching or exceeding OEM specifications.
• Fully compliant with European emission legislation and suitable for Euro 5 BMW X1 E84 diesel models.
• Direct factory support with installation manuals, technical assistance, and quick delivery options across Europe.
• Options for PRO customers including bulk discounts, loyalty points, and recycling services.

For ordering, support, and installation guidance, please contact or visit the official Krosfou platforms to ensure you receive genuine, durable products tailored for your BMW X1 Diesel.