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BMW · Sedans
VANOS Intake Camshaft Timing Adaptation Limit Reached
Quick Answer
Error code 2A87 on your BMW Sedans means: VANOS Intake Camshaft Timing Adaptation Limit Reached. 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 VANOS intake solenoid or clogged solenoid screen
  2. Low engine oil pressure or degraded oil quality
  3. Excessive timing chain stretch
  4. Carbon buildup on VANOS actuator piston
  5. Failed VANOS actuator hub
How to Fix It
1
Check engine oil level and condition; perform an oil change if necessary
2
Remove and inspect the intake VANOS solenoid screen for debris accumulation
3
Test VANOS solenoid actuation with BMW ISTA diagnostic software
4
Measure timing chain stretch using camshaft timing deviation values
5
Replace VANOS solenoid, actuator, or timing chain as diagnostic results indicate
Pro Tip
This issue typically requires professional diagnosis. Attempting this fix without proper training could cause further problems.
Parts You May Need
VANOS intake solenoid
VANOS solenoid screen kit
VANOS actuator hub
Timing chain kit
Engine oil and filter
Related Error Codes
P0171P0174P0300P0335P0340
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