Charge - air cooler. Intercooler.
Intercooler.
Intercooler
Fits 530i, 540d xDrive, 540i
3.0 LITER DIESEL. 5 Series; 3.0L; 540d xDrive.
Intercooler - Repair or Replace
If your is equipped with a turbo and you've noticed a reduction in acceleration or a hissing on acceleration accompanying your check engine light, your intercooler or its piping/tubes may need to be repaired or replaced.