P0014 on BMW: Causes, Symptoms, Fix Cost

What does P0014 mean on a BMW?

P0014 means the engine control unit has detected that the B (exhaust) camshaft on bank 1 is timed more advanced than the unit commanded. Variable valve timing runs on engine oil pressure, so the most common cause is simply low, dirty, or wrong-viscosity oil starving the cam phaser. After oil, the usual suspects are the camshaft oil control valve (also called the VVT solenoid) clogging up, then the cam phaser or actuator itself, and finally a stretched timing chain. Start with the cheapest, most likely cause - check the oil before buying any parts.

BMW 3 Series

2006-2024

BMW calls its system VANOS, and the exhaust solenoid is a frequent P0014 trigger on the N20, N26, and N52 engines, often alongside a BMW-side fault for the VANOS solenoid. Sludge from stretched oil-change intervals clogs the solenoid screen, so a service with the correct LL-01 or LL-04 grade oil plus a solenoid clean often clears it. On higher-mileage N20 and N47 engines a stretched timing chain is a known issue and should be ruled out if oil and solenoids are good.

What causes P0014 on a BMW?

Beyond the generic causes listed on the main P0014 page, these are the BMW-specific patterns we see most often:

BMW 3 SeriesVANOS exhaust solenoid clogged from extended oil-change intervals

BMW 3 SeriesTiming chain stretch on high-mileage N20 and N47 engines

How to diagnose P0014 on a BMW with OBD2

Follow these steps to pinpoint the root cause of P0014:

Check the engine oil first. Pull the dipstick and confirm the level is correct and the oil is clean, not black and gritty. Variable valve timing runs entirely on oil pressure, so low or sludged oil is the single most common cause of P0014. If the oil is overdue or the wrong grade, change it and the filter before doing anything else, then clear the code
Scan for related codes. P0014 often appears alongside P0010, P0011, P0013, P0021, or P0024. Reading the full set tells you whether the problem is on one cam, one bank, or affecting the whole timing system, which narrows down whether you are chasing a solenoid or a chain
Inspect and test the camshaft oil control valve (VVT solenoid). Unplug it, check the connector and wiring for damage, then remove it and look at the screen filter and plunger. A solenoid caked with sludge is a frequent cause. Clean it with brake cleaner or replace it, refit, and clear the code
Command the variable valve timing actuator with a bidirectional scan tool. Watch the actual cam timing follow the commanded value. If the cam overshoots or will not hold position with a known-good solenoid and clean oil, the cam phaser itself is worn
Inspect the cam phaser and timing chain. Listen for a startup rattle and check chain stretch against the manufacturer spec. A stretched chain shifts cam timing and can set P0014 even when the solenoid and phaser are fine. This is the last and most expensive item to confirm

How much does P0014 cost to fix on a BMW? (EUR)

Estimated repair costs on a BMW (BMW parts and labour typically run 30% above the average for this code).

Repair	Parts Cost	Labor Cost	Total Estimate	DIY Difficulty
Oil and filter service with correct grade oil	€52–€117	€0–€52	€52–€169	Easy
Clean the camshaft oil control valve (VVT solenoid)	€0–€20	€52–€156	€52–€176	Moderate
Replace the camshaft oil control valve (VVT solenoid)	€39–€195	€65–€260	€104–€455	Moderate
Replace the camshaft actuator (cam phaser)	€260–€780	€260–€780	€520–€1560	dtc.difficulty.hard
Replace the timing chain, guides, and tensioner	€195–€650	€650–€1950	€845–€2600	dtc.difficulty.hard

Prices estimated as of May 2026. Costs vary by region, vehicle, and shop.

These codes commonly cluster with P0014 on BMW vehicles:

P0011BMW P0010BMWP0013P0021BMWP0024

FAQ: P0014 on BMW

Is it safe to drive with a P0014 code?

For short trips it is usually fine, but you should not ignore it. The exhaust cam is over-advanced, which can cause rough running, a misfire, and worse fuel economy. Left for weeks it risks more costly variable valve timing or timing chain damage. Check the oil immediately and book the repair soon.

Can low engine oil really cause P0014?

Yes, and it is the most common cause. The variable valve timing system uses pressurised engine oil to move the cam phaser. If the oil is low, dirty, or the wrong viscosity, the system cannot hold the timing the engine control unit commands, and P0014 sets. Always check and, if needed, change the oil before buying any parts.

What is the difference between the oil control valve and the cam phaser?

The camshaft oil control valve, also called the VVT solenoid, is the electrically controlled valve that directs oil to the phaser. The cam phaser, or actuator, is the mechanical part bolted to the camshaft that physically rotates to advance or retard timing. The solenoid is cheap and fails far more often, so test it first before condemning the more expensive phaser.

Will P0014 make my car fail an EU inspection?

Yes. Any active check engine light means an automatic fail at TÜV, ITV, TA, SKP, or MOT, no matter what the underlying code is. The pre-inspection OBD readiness check will also catch a recently cleared P0014 because the relevant monitors need several drive cycles to complete. Fix the fault before your inspection date.

Why does P0014 come back after I clear it?

If it returns quickly the root cause is still there. The most likely reasons are oil that is still too low or too dirty, a solenoid that is clogged rather than cleaned properly, or a worn cam phaser that cannot hold timing. If oil and solenoid are both confirmed good and it keeps returning, suspect a stretched timing chain shifting the cam timing.

P0014 on BMW: Causes, Symptoms and Fix Cost