Incorrect Gear Ratio on BMW
BMW
Verified1 source
1 source
- Official data (NHTSA)official_feed
What P0730 means
Avoid long trips
The transmission is not achieving the commanded gear ratio. On BMW ZF automatic transmissions, fluid service interval neglect is the most common root cause here.
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General information, not a diagnosis or repair instruction. Always confirm with a qualified mechanic for your specific vehicle.
Common causes
- Incorrect Gear Ratio
What to check first
- Check transmission fluid level and condition
- Scan for related solenoid codes
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