BMW B58 Oil Filter Housing & Coolant Leaks
ModerateEngineThe B48/B58 engines can suffer from cracked oil filter housing gaskets and coolant return line leaks. The filter housing sits under the intake manifold, making access difficult and labour-intensive.
Oil drips under the car, Coolant loss, Sweet smell from engine bay
- Check under the intake manifold for oil or coolant residue.
- Inspect coolant return hoses and jubilee clips.