Mini One Diesel Particulate Filter DPF

A Diesel Particulate Filter (DPF) is an exhaust emission control device on your Mini One that captures harmful soot and particulate matter from the engine’s diesel exhaust gases to reduce pollution and improve air quality.

The DPF is located after the catalytic converter in the exhaust system. It captures soot particles from diesel combustion. It functions with two main regeneration processes that burn off accumulated soot to keep the filter clear:

• Passive Regeneration: occurs naturally when exhaust gases reach 550-600°C during regular driving on roads and motorways.
• Active Regeneration: initiated by engine management injecting fuel into the exhaust to raise filter temperature if passive regeneration doesn’t occur enough.

This system ensures reduced emissions and helps protect your engine performance.

During operation, soot particles build up inside the DPF and must be burned off regularly to prevent clogging. This is achieved through regeneration which converts the soot into ash and burns it away at high temperatures. Without proper regeneration, the DPF can block, leading to engine warning lights or reduced performance.

To avoid DPF blockages, follow these recommendations:

• Drive your Mini One regularly at higher speeds or on motorways to allow passive regeneration.
• Avoid excessive short trips or prolonged idling, which do not generate enough exhaust heat for cleaning.
• Have routine maintenance checks to detect any sensor issues that can affect regeneration.

Regular driving habits and proper servicing help maintain DPF efficiency and longevity.

If the DPF warning light illuminates on your dashboard, it indicates that the filter may be clogged or not regenerating properly. In this case:

• Follow the vehicle manual’s instructions, often involving driving at sustained speed to complete regeneration.
• If the light stays on, visit a specialist garage to diagnose sensor faults or forced regeneration needs.

Ignoring this warning can lead to reduced engine performance or costly repairs.

The DPF in a Mini One typically lasts many years under normal driving conditions but will eventually require replacement due to ash build-up over time. Replacement is relatively straightforward and includes:

• Estimated parts cost around €586 (including VAT)
• Average replacement time about 2 hours 36 minutes
• Total estimated cost including labour between €794 and €1,032 (including VAT)

Using original quality parts and professional fitting ensures optimal performance and compliance with emissions standards.

Some frequent problems include:

• DPF blockage: soot accumulation can form a thick layer that blocks the filter if regeneration fails.
• Sensor faults: defective pressure or temperature sensors disrupt regeneration cycles, causing warning lights and engine issues.

Early detection and servicing are key to avoiding more serious engine damage.

Original Krosfou DPFs are available for various Mini One models, offering:

• High-quality stainless steel construction with advanced ceramic monoliths
• Certified performance meeting or exceeding European emission standards
• 3-year warranty covering up to 100,000 km of use
• Technical support and installation guides available

For best results, always choose genuine parts and professional installation to maintain your vehicle’s reliability and comply with environmental regulations.

Protect your Mini One and the environment with quality DPF maintenance and replacement.