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Home > Technical (L322) > V8 petrol (BMW M62) unknown plastic pipe at rear of engine
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steve k



Member Since: 05 Apr 2024
Location: Berkshire
Posts: 46
United Kingdom 2003 Range Rover HSE Td6 Giverny Green
V8 petrol (BMW M62) unknown plastic pipe at rear of engine

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Does anyone know what this blue semi rigid plastic pipe is for. I have removed the cabin air intake plenum and noticed this pipe!

Its approx' 6mm outside diameter and fairly rigid in that it does not bend easily. Its fed into the cable that I assume goes down to the starter motor and/or alternator - I have only just taken delivery of the car so still getting familiar with it.

The crankcase ventilation diaphragm unit on the rear of the inlet manifold is as I would expect in terms of connections and the two blanked fittings so I am confident its not related. Differential breather pipe is on the N/S. It does not look factory standard based on the colour.
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 Current: 2003 TD6 HSE
2004 Vogue SE 4.4
Previous: 1993 Classic 3.9
Post #722184 1st Aug 2025 7:09pm
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RRPhil



Member Since: 22 Aug 2011
Location: Blackburn, Lancashire
Posts: 1021
United Kingdom 

https://www.fullfatrr.com/forum/post447996.html#447996

Phil
Post #722206 2nd Aug 2025 12:40pm
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steve k



Member Since: 05 Apr 2024
Location: Berkshire
Posts: 46
United Kingdom 2003 Range Rover HSE Td6 Giverny Green

Many Thanks Phil - I would never had thought that!

Thumbs Up Current: 2003 TD6 HSE
2004 Vogue SE 4.4
Previous: 1993 Classic 3.9
Post #722208 2nd Aug 2025 1:09pm
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RRPhil



Member Since: 22 Aug 2011
Location: Blackburn, Lancashire
Posts: 1021
United Kingdom 

I know! Who would guess that the starter motor needed a breather? It’s in good company, though, with the pipes for the front diff. breather, the transmission breather and the transfer box breather, which all emerge in the engine bay.

Phil
Post #722230 2nd Aug 2025 9:34pm
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