Genuine BMW B58 Turbo Oil Return Line / Drain Pipe – OEM 11428679020 for G20 M340i, G30 540i, G01 X3 M40i, G02 X4 M40i, G29 Z4 M40i, G14/15/16 840i, G05 X5 40i, G06 X6 40i, G07 X7 40i, G11/G12 740i, G32 640i

Genuine BMW B58 Turbo Oil Return Line / Drain Pipe – OEM 11428679020 for G20 M340i, G30 540i, G01 X3 M40i, G02 X4 M40i, G29 Z4 M40i, G14/15/16 840i, G05 X5 40i, G06 X6 40i, G07 X7 40i, G11/G12 740i, G32 640i

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Genuine BMW B58 Oil Return Line for G-Chassis Models – Part Number 11428679020

Keep your B58 turbocharged engine healthy with this Genuine BMW turbo oil return line, designed for BMW G-Chassis B58 applications including M340i, 540i, X4 M40i and Z4 M40i. As an OEM BMW replacement part, this oil drain line restores proper turbocharger oil drainage, helps prevent leaks and smoking, and ensures reliable performance on daily drivers and tuned cars alike.

We use this genuine B58 oil return line in-house and it remains a favourite with our B58 customers for maintenance, reliability and leak-free fitment.

Why choose this Genuine BMW oil return line

  • OEM BMW quality and perfect fitment for B58 engines
  • Direct replacement turbo oil drain line for easy installation
  • Helps cure common oil seep/return issues and protects the turbo
  • Ideal during turbo service, turbo upgrade or preventative maintenance
  • Part number: 11428679020

Also known as

B58 oil return line, B58 turbo oil return line, B58 turbo oil drain line, BMW B58 oil drain hose, BMW B58 turbo oil pipe, BMW oil return pipe, BMW turbo oil return hose, OEM BMW oil line 11428679020.

Compatibility

BMW B58 engine applications

3 Series

  • G20
    • M340i, M340ix
  • G21
    • M340ix

5 Series

  • G30
    • 540i, 540ix
  • G31
    • 540ix

6 Series

  • G32 GT
    • 630ix, 640i, 640ix

7 Series

  • G11 LCI
    • 740i, 740e
  • G12 LCI
    • 740i, 740ix, 740Li, 740Lix, 745ex, 745Le, 745Lex

8 Series

  • G14
    • 840i, 840ix
  • G15
    • 840i, 840ix
  • G16 Gran Coupé
    • 840i, 840ix

X Series

  • G01 X3
    • X3 M40ix
  • G02 X4
    • X4 M40ix
  • G05 X5
    • X5 40i, X5 40ix, X5 45ex
  • G06 X6
    • X6 40i, X6 40ix
  • G07 X7
    • X7 40ix

Z Series

  • G29 Z4
    • Z4 M40i

Perfect for

  • Replacing a leaking or brittle B58 turbo oil return line
  • Preventative maintenance during turbo removal or service
  • Ensuring correct oil drainage and reducing the risk of turbo issues

Fitting and support

Professional installation recommended. Nforcd offers expert fitting at our Warwickshire workshop. To request a fitting quote, email Sales@nforcd.com.

Compatibility check

We verify fitment before dispatch. Provide your UK registration or the last 7 digits of your VIN at checkout to confirm compatibility with your B58 BMW.

Part details

  • Part number: 11428679020
  • Manufacturer: BMW

Warranty

Two years manufacturer warranty for UK customers and one year manufacturer warranty for international customers when a compatible VIN is provided at checkout.

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BMW B58 Oil Supply Line for G-Chassis models. Ideal to replace alongside the oil return line for a complete, leak-free refresh.

Search-friendly terms

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