Turbo Lines & Hoses

Positioned beneath the turbocharger on N20-equipped BMWs, this vital hose channels oil from the turbocharger back into the oil pan. Over time, wear and tear can lead to hose failure, resulting in significant oil leaks that may cause low oil levels and increase the risk of severe engine damage.

If your turbocharger drain hose is leaking or damaged, restore your engine's reliability with this high-quality replacement from Bremmen Parts. Engineered for durability and precision, it ensures a secure fit and long-lasting performance for peace of mind on the road.

The turbocharger oil supply line is one of the most common failure points on N14 and N18-equipped R5X MINIs. Responsible for delivering a steady stream of pressurized oil to the turbocharger’s center housing (CHRA), this line keeps the turbo’s bearings properly cooled and lubricated. Unfortunately, its location directly alongside the exhaust manifold and catalytic converter exposes it to extreme heat. Over time, this heat causes the oil inside the line to harden or “coke,” creating a permanent restriction that starves the turbo of vital lubrication.

MINI attempted to address this issue by adding a retrofit heat shield to N14 models, but the problem continues to plague MINI owners. Furthermore, the OEM banjo bolts rely on copper crush washers that become brittle and warp under heat, leading to persistent oil leaks at the back of the engine.

To eliminate these issues, ECS developed a high-performance replacement for the factory turbocharger oil feed line (11657534454). Built from premium stainless steel braided -4 AN hose and engineered to withstand the harsh thermal environment of the N14/N18 engine bay, this upgrade ensures consistent, dependable oil delivery. A PTFE inner lining provides exceptional chemical and temperature resistance, while black zinc–coated fittings and banjo bolts offer improved corrosion protection and long-term sealing. The result is a durable, leak-free solution that outperforms the factory design in every way.

Features:

-4 AN stainless steel braided hose eliminates the OE swivel fittings for superior sealing and consistent oil flow

PTFE inner lining delivers outstanding chemical and temperature resistance

Black-anodized aluminum AN fittings offer improved durability and a refined appearance

Black zinc–coated banjo bolts resist corrosion for a long-lasting repair

Includes four new crush washers to ensure proper sealing during installation

Whether you're fixing an oil leak or performing preventative maintenance, choose the ECS upgraded turbocharger oil feed line for lasting durability and leak-proof performance.

Proper lubrication is essential for the longevity of your turbocharger. This oil supply hose delivers vital oil to the compressor housing, ensuring internal components remain lubricated and protected from premature wear. A leaking or damaged oil line can compromise turbocharger performance and lead to costly repairs—replace it promptly to maintain your vehicle’s reliability.

This premium replacement oil supply hose from Bremmen Parts is engineered for BMW applications, providing an exact fit and seamless installation. Manufactured with OEM-grade precision and materials, it restores proper turbocharger functionality and delivers dependable performance you can trust.