M Tax strikes again

Pingu

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Z3 (1.8 - 3.0 + S52) fuel pump - 16146756323 = £100
M Roadster/Coupe (S50) fuel pump - 16142228037 = £400
M Roadster/Coupe (S54) fuel pump - 16142229672 = £325

Guess which one I might need? :eek:
 
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Althulas

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The random BMW pricing drops yet another bombshell which has doubled in 6 years. I remember this post Pingu about Dino selling a Walbro 255 which he used prior to his V8 conversion https://www.zroadster.net/forum/viewtopic.php?t=40982 I don’t if that info is of any use to you. Maybe a PM to Deno to see if it was any good for the S50.
 

Althulas

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British Zeds
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North Oxfordshire
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Sorry about that I thought it was worth a try. Did you consider speaking to Deno about a possible alternative fuel pump?
 

Pingu

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The fault was Fuse 18 (15A) was blowing every time I switched on the ignition. Fuse 18's only function is to protect the fuel pump.

I've removed the pump unit and stripped the unit down, so the pump is on the bench. The pump works perfectly and draws 1.30A continuously. I then suspected the relay, so I removed the relay - and it works perfectly.

Then I had a brainwave - I ran the pump and put my finger over the end. The current shoots up.

Conclusion - fuel line is blocked. I'll blow some compressed air through the pipes and, with any luck, the most that I'll need is a new filter.
 

Pingu

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Replaced pressure regulator (replaced a perished vacuum hose while I was there - hose wasn't split, but was 90% of the way to splitting), replaced fuel filter and blow through the fuel lines.

It seems to run ok now.

About £100 by the time I bought everything - fuel pump, filter, regulator and relay. All eBay specials (but genuine) from around the world :) .

Thank God time wasn't an issue:oops:.
 
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