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Old 03 January 2012, 18:45   #11
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Country: UK - England
Town: milton keynes
Make: humber
Length: 5m +
Engine: outboard dt90
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bmw 3.0d conversion

Hi there, at the moment i am seriously considering fitting a 2002 3,0d bmw engine in my 23ft relcraft and would love to know how you got on with your project, i am especially interested
in the work you have done on your ecu. I would really appreciate any input you may have.
Cheers Clint
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Old 04 January 2012, 03:04   #12
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Old 04 January 2012, 03:37   #13
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Country: UK - England
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Boat name: Fugly & Rokraider 1
Make: Pac 22 & Porter 6.5
Length: 6m +
Engine: Ford 250 & jet,DT140
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Haven't finished the project yet, it is still ongoing. I have had the ecu modified to a programable chip, I have also modified the unit that interfaces with the car, effectively tricking the ECU into believing that it is still attached to a car with regards to the immobiliser system etc. I am running bigger injector nozzles and turbo as am aiming for 275 BHP. The next step is to run the engine on a dyno to check everything works and then get it in the boat. I am still working on some hull modifications that I need to finish before fitting the engine.
Work is interrupted whilst I give the Porter a makeover and annual service etc.
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Old 04 January 2012, 04:54   #14
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Country: Netherlands
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bmw

don't you need a bigger oil carter? Or am i thinking wrong?
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Old 08 January 2012, 07:46   #15
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Country: UK - England
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Make: Pac 22 & Porter 6.5
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Engine: Ford 250 & jet,DT140
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I am fitting a large oil cooler and Intercooler for the turbo. The Range Rover sump I am using has a good size capacity (8 litres +-?).
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Old 10 January 2012, 04:07   #16
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Town: Salcombe, Devon, UK
Boat name: BananaShark
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Length: 10m +
Engine: 2xYanmar 260 diesels
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If it's the current 3 litre BMW motor then Yanmar already marinise it?
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Originally Posted by Zippy
When a boat looks that good who needs tubes!!!
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Old 10 January 2012, 11:17   #17
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Country: UK - England
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Boat name: Dorn Rade
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Engine: Out'b petrol 200hp
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bmw

the earth is not a real earth but a path back to the negative of the battery.in the old days the earth was the posative battery terminal and the chassiis was the return path saving on wiring.therefor the return wire will have to be as large as the possitve and the sum of the total current
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Old 10 January 2012, 11:54   #18
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I think you'll find that a lot of the newer diesels can have a relay in the circuit that isolates the block/chassis from the circuit once the engine is started. This reduces the risk of stray currents and corrosion, particularly in steel boats. It also means there is no galvanic circuit involving the engine or anything attached to it when the boat is idle.
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Old 10 January 2012, 12:41   #19
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Country: UK - England
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Boat name: Fugly & Rokraider 1
Make: Pac 22 & Porter 6.5
Length: 6m +
Engine: Ford 250 & jet,DT140
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Quote:
Originally Posted by Cookee View Post
If it's the current 3 litre BMW motor then Yanmar already marinise it?
At a price!! So far mines has cost around 3000
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Old 10 January 2012, 13:04   #20
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Engine: Yamaha 60hp
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I have never heard of an air cooled marine engine of that size, hp, and heat production. Not having any cooling water I'm guessing you'll have dry exhaust too? That would be a bit odd on a trailered boat around here.
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