The Quick Answer above is the generic definition. What follows is the model-specific detail for the BMW models that log P0441.
DTC/P0441·BMW
P0441 on BMW: Causes, Symptoms and Fix Cost
Quick Answer
Low SeveritySafe to drive (short-term)BMW
P0441 on a BMW means the engine control unit detected that the evaporative emission system is not purging fuel vapour at the rate it commanded. The ECU opens the purge valve and expects a specific flow of stored vapour from the charcoal canister into the intake. When the measured flow is too high or too low, this code sets. The cause is almost always a purge valve that is stuck or not opening, or a vacuum line that is cracked or disconnected.
Typical repair cost, all makes€50 - €550
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BMW 3 Series
2006-2024On the BMW 3 Series the purge valve (BMW calls it the tank vent valve) is a frequent P0441 cause, particularly on the N20 and N52 engines where it is mounted on or near the intake manifold and is exposed to heat. The valve can stick partly open and weep, throwing both flow and idle complaints. The vacuum and vapour lines run a long path on these cars, so a cracked or split line near the manifold is also common. Replacement of the integrated valve assembly is the typical fix.
What causes P0441 on a BMW?
Beyond the generic causes listed on the main P0441 page, these are the patterns noted for BMW models:
BMW 3 SeriesTank vent (purge) valve sticking on N20 and N52 engines
BMW 3 SeriesCracked vapour line near the intake manifold
How to diagnose P0441 on a BMW with OBD2
Follow these steps to pinpoint the root cause of P0441:
- Read the freeze frame data stored with the code. Note the engine load, coolant temperature, and fuel level at the moment P0441 set. This tells you whether the fault appears during a specific purge phase, which narrows down the valve versus a flow restriction
- Inspect the purge vacuum line from the valve to the intake manifold. Look for cracks, a disconnected or split end, or a collapsed section. A disconnected line is one of the most common causes and is quick to spot
- Perform a smoke test on the EVAP system to confirm the hoses and canister are sealed and routed correctly. This rules out a leak or blockage before you condemn the valve
- Command the purge valve open and closed with a bidirectional scan tool and watch the flow. The valve should click and pass vapour when commanded open and seal fully when commanded closed. A valve that does not open, or one that stays partly open, will set P0441
- Inspect the charcoal canister and vent valve. A saturated or restricted canister, or a vent valve that will not let air in during purge, prevents the commanded flow and produces the same code
How much does P0441 cost to fix on a BMW? (EUR)
Estimated repair costs for P0441 in EUR, compiled across makes. Expect BMW parts and labour towards the upper end of each range.
Prices estimated as of March 2026. Costs vary by region, vehicle, and shop.
Codes related to P0441
These codes are often seen alongside P0441 or point to related issues, on any make:
Looking for the full P0441 reference (all makes, full diagnosis flow, complete repair cost matrix)?
See the main P0441 guideSkanyx · BMW
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