Removing and installing lower part of right intake manifold (engine code BMK) — VW
Removing and installing lower part of right intake manifold (engine code BMK) on VW: 14 steps, engines BMK, BKS, BUN.
Workshop procedure for VW — the exact step sequence and torque figures, straight from real workshop data.
🧭 Before you start
Fits: VW Phaeton (3D)
- Renewed: seals
Don't miss
- Always read rules for cleanliness and instructions for working on fuel system .Always follow these rules for cleanliness and instructions before starting work and while working on the fuel system. — Remove engine cover panel .
- (Item 1) and (item 4) should be disregarded.
- Disregard (item 1).Cover/seal intake ports in cylinder head with clean cloths.
- Ensure that high-pressure lines are not under tension.
📐 20 workshop diagrams for BMK
Real factory drawings for this job — timing marks, bolt locations and routing. Locked in the free view.
📋 Procedure
- ⚠ Always read rules for cleanliness and instructions for working on fuel system .Always follow these rules for cleanliness and instructions before starting work and while working on the fuel system. — Remove engine cover panel .
- Unscrew union nuts (1…4) and remove high-pressure lines.
- Remove upper part of intake manifold .
- Remove air pipe (arrows).
- Remove electrical connector (arrow) for exhaust gas temperature sender 1G235 from retainer.
- Disconnect electrical connector (3) at intake manifold flap motor V157.
- Remove bolt (2). [Note: (Item 1) and (item 4) should be disregarded.]
- Disconnect electrical connectors at glow plugs for right cylinder bank.
- Remove bolts (arrows) and take off lower part of right intake manifold. [Note: Disregard (item 1).Cover/seal intake ports in cylinder head with clean cloths.] [Note: Renew seals and gaskets.]
- Install upper part of intake manifold .
- Tighten union nuts on high-pressure lines finger-tight initially.
- Ensure that high-pressure lines are not under tension.
- Install high-pressure lines .
- Check fuel system for leaks Fuel supply system - diesel engines20.
Ask TorqFix about your VW BMK — it answers with the exact sequence for that engine and the workshop drawing for each step. First question is free after a 20-second sign-up, no card.
Ask about your VW BMK — free → or sign up free to see the drawingsOther VW procedures
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Who makes these pages, and how
TorqFix was built by a mechanic — after a 2,700 km drive with five roadside repairs that no diagnostic tool could explain.
The figures on this page come from manufacturer workshop documentation and are shown as they are. The page is assembled automatically from that data — it is not written by an AI. The AI works in the chat, where it answers for your specific car. It writes nothing here.
Variants of the same model differ. Cross-check torque against the factory manual for your engine before final tightening.
Seen a figure that does not match your manual? Write to us — we correct it and note when. support@torqfix.com
The story behind TorqFix →Workshop data on this page last updated 20 Sep 2026.