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BMW · Sedans
VANOS Exhaust Camshaft Timing Exceeded Adaptation Limit
Quick Answer
Error code 2A82 on your BMW Sedans means: VANOS Exhaust Camshaft Timing Exceeded Adaptation Limit. This is usually fixable — see the step-by-step guide below.
Affected Models
Applies to all models
330i530i540i740i760i330e 2024330i xDrive 2024530i 2024530i xDrive 2024540i xDrive 2024545e xDrive 2024740i 2024740i xDrive 2024760i xDrive 2024M3 CS 2024M3 Competition 2024M3 Competition xDrive 2024M340i xDrive 2024i4 M50 2024i4 eDrive35 2024i4 eDrive40 2024M3M340ii4i5
Likely Causes
  1. Worn exhaust VANOS solenoid
  2. Clogged VANOS solenoid screen restricting oil flow
  3. Timing chain elongation beyond service limit
  4. Insufficient oil pressure at the VANOS unit
  5. Mechanical wear in the VANOS exhaust actuator
How to Fix It
1
Perform an engine oil change with BMW-approved oil specification (LL-01)
2
Remove and clean or replace the exhaust VANOS solenoid and filter screen
3
Use BMW ISTA to read VANOS adaptation values and compare to specification
4
Inspect timing chain stretch and replace if out of tolerance
5
Replace VANOS exhaust actuator if mechanical wear is detected
Pro Tip
This issue typically requires professional diagnosis. Attempting this fix without proper training could cause further problems.
Parts You May Need
VANOS exhaust solenoid
VANOS solenoid screen kit
VANOS exhaust actuator
Timing chain kit
Engine oil and filter
Related Error Codes
P0171P0174P0300P0335P0340
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