Excessive diesel engine noise in 3 Series Long Wheelbase
Diesel variants sometimes sound louder than expected inside cabin.
Issue Details
- Severity
- low
- Impact
- Affects premium feel.
- Estimated Repair Cost
- ₹0 – ₹20,000
- Affected Years
- 2019-2024
- Frequency
- Common
Symptoms
- Loud engine sound
- Cabin noise
Causes
- Diesel engine nature
- Insulation wear
Solutions
- Add insulation
- Check engine mounts
Prevention Tips
- Regular maintenance