Genuine BMW Turbo Oil Pipe Screw ISA M8x35-8.8-ZNS3 | Turbocharger Oil Line Bolt | 1M, E9x 335i, E6x 535xi, E89 Z4 35is | OEM Part 07129904068

Original BMW M8 x 35 Fixing for Turbo Lubrication Pipe, Grade 8.8, ZNS3

Secure your turbo lubrication pipe properly with this factory BMW fastener. Designed for the oil supply and drain pipe brackets on BMW twin turbo applications, this OE-grade fixing delivers the correct clamp load and alignment for leak free running and long term reliability. Perfect when refreshing hardware during turbo work, replacing missing bolts or preventing oil seepage after heat cycles.

Used daily in our own workshop at MJ Modifications and fitted to countless customer cars, this genuine BMW hardware offers precise fitment and corrosion resistant performance thanks to its ZNS3 coating. It is the sensible, inexpensive piece of preventative maintenance that helps protect your engine and turbochargers.

• OE BMW fastener for turbo lubrication pipe retention
• Spec: ISA head M8 x 35, strength class 8.8, ZNS3 plated
• Restores correct clamping on oil feed and return pipe brackets
• Ideal during turbo replacement, line upgrades or leak fixes
• Direct swap for worn, stretched or corroded hardware
• Part number: 07129904068

Who is it for

Owners of N54 powered models and related platforms seeking the right BMW factory fixing for turbo oil pipe retention, including:

• E82 1 Series M Coupe
• E90 E92 E93 335i
• E60 E61 535i and 535xi
• E89 Z4 sDrive35is
• Plus additional BMW platforms where PN 07129904068 is specified

If you are searching for BMW turbo oil feed pipe bolt, turbo lubrication line fixing, M8 x 35 ZNS3 screw for turbo plumbing, BMW N54 turbo hardware, BMW oil pipe bracket bolt or OE BMW ISA fastener for turbo lines, this is the exact part you need.

Why this OE fastener matters

• Prevents weeps by maintaining correct seating pressure on the oil line bracket
• Accurate length and thread engagement for the mounting point
• ZNS3 finish resists corrosion in high heat, high moisture environments
• Factory consistency for repeatable torque and serviceability

Workshop approved

Our technicians choose this original BMW fixing for every turbo oil line service on applicable models. Fit is exact, torqueing is smooth and customers consistently report clean, dry turbo plumbing after installation.

Fitting and support

Professional installation available at MJ Modifications in Warwickshire. For a fitting quote or a quick compatibility check, email info@mjmodifications.co.uk with your registration or last 7 of your VIN.

Compatibility check

To ensure PN 07129904068 suits your vehicle, add your UK registration or last 7 VIN digits at checkout. We will verify before dispatch.

Technical details

• Type: ISA head screw for turbo lubrication pipe retention
• Dimensions: M8 x 35
• Strength: 8.8
• Finish: ZNS3 anti corrosion coating
• Manufacturer: BMW
• BMW Part Number: 07129904068

Warranty

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

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