BMW 335 Diesel E90 / 91/92/93 Turbine Exhaust Replacement Hose The combination of heat, oil and boost pressure at the outlet of the turbocharger causes very quick damage to the original hose, customers are faced with an expensive BMW replacement, albeit still of poor quality. TurboWorks solution is 5 -laminated silicone elbow, designed to satisfy the most demanding customers. Connectors made of the highest quality aluminum alloys processed on CNC machines ensure a perfect fit.