Size of fuel lines under M50 manifold?

[bwh13]

My manifold didn't come with the metal supply or return lines, so I need to either buy some or make up some of my own. What size are they, 8mm or something? Also is there supposed to be an in-line fuel filter on the supply side by the manifold?

[e30_kid89]

if i remember right some guys just run fuel hose as a subsitute.

why not buy the lines new?

[matt]

You can put the filter anywhere in the supply side. The stock e30 locations work great.

I would replace the hardlines, they are an awesome feature when you use them properly.

They are 8mm OD, but flared. The proper fuel hose is BMW 8x13.

[bwh13]

Thanks. New ones are like $45 for the pair. I'll just buy some 5/16 steel tubing and bend my own...I thought about just using fuel hose, but would rather have metal under the manifold just in case...

[matt]

Just using hose is likely better than anything you'll bend or flare yourself.

[Lobstrosity]

Or get some from a wreckers? Bit of a pain to remove, but not terrible.

[bwh13]

OK I'll just use some left over braided line I have...thanks