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Old 24-03-2011, 09:53   #1
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BMW Diesel Inboard

I am exploring the possibility of changing my Volvo Penta for a BMW - has anyone had any experience with one?
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Old 24-03-2011, 10:16   #2
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Re: BMW Diesel inboard

Which BMW diesel are you considering?

The Yanmar BY series of marine diesels are based on BMWs. They are highly stressed, high horsepower, common rail, turbocharged. They are suitable for a fast planing boat, but I wouldn't consider one for a displacement anything.

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Old 24-03-2011, 12:39   #3
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Re: BMW Diesel inboard

I do not have the engine model number, however it is a shaft drive 50hp engine - that any help?
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Old 24-03-2011, 12:56   #4
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Re: BMW Diesel inboard

If it is in the 50hp range, it would probably be the BMW D50. These are considered a good engine for sailing yachts and motor cruisers up to about 45 feet. They are direct injection, natural aspiration engines with good power to weight/size ratio.

http://www.nauticexpo.com/prod/bmw-m...17-166751.html
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Old 24-03-2011, 13:47   #5
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Re: BMW Diesel inboard

That is good news - many thanks
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Old 24-03-2011, 14:15   #6
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Re: BMW Diesel inboard

Be very careful with the BMW D50. Although it was a good engine, it is obsolete and has not been supported by BMW for over 25 years. Parts are hard to get.
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Old 24-03-2011, 15:58   #7
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Re: BMW Diesel inboard

My information may be out of date, but I believe, when BMW got out of the marine business, they signed an agreement with Mercury Marine of Wisconsin for the continued production of parts. However, I doubt that finding parts on a world wide basis would be easy, and one might be much better off with more modern engine.
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Old 24-03-2011, 17:27   #8
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Re: BMW Diesel inboard

What Volvo do you have?
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Old 25-03-2011, 04:23   #9
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Re: BMW Diesel inboard

These responses have been great. The Volvo is a 23hp Penta that is probably 30 years old. It is also now extremely expensive to maintain.
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Old 25-03-2011, 05:46   #10
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Re: BMW Diesel inboard

Undoubtedly just my personal bias; but I’d liken Volvo to BMW as a “frying pan into fire” scenario.
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Old 25-03-2011, 12:55   #11
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Re: BMW Diesel inboard

@GordMay - do you have some specifics to help me in evaluating your "frying pan to fire"? Thanks . . .
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Old 25-03-2011, 14:12   #12
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Re: BMW Diesel inboard

Quote:
Originally Posted by Gooosberry View Post
These responses have been great. The Volvo is a 23hp Penta that is probably 30 years old. It is also now extremely expensive to maintain.
a model designation would provide more information than what you present.


Quote:
Originally Posted by GordMay View Post
Undoubtedly just my personal bias; but I’d liken Volvo to BMW as a “frying pan into fire” scenario.
Quote:
Originally Posted by Gooosberry View Post
@GordMay - do you have some specifics to help me in evaluating your "frying pan to fire"? Thanks . . .
Bravo Gord!!!

he's absolutely correct. With Volvo you have an excellent global network of dealers / parts.

With BMW in North America you have one (1), source for parts, in Canada.
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Old 26-03-2011, 01:47   #13
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Re: BMW Diesel inboard

You see - here in SA the Volvo parts are prohibitively expensive! Must confess - only positive comments on service though.
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Old 26-03-2011, 04:14   #14
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Re: BMW Diesel inboard

have you tried these guys,some very good deals on ford engines
http://www.lancingmarine.com/
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Old 26-03-2011, 04:26   #15
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Re: BMW Diesel inboard

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Originally Posted by Gooosberry View Post
You see - here in SA the Volvo parts are prohibitively expensive! Must confess - only positive comments on service though.
anywhere in the world, parts for the old Volvo's are expensive. Your looking at a unit that is 1) 30 years old by your admission. Then 2) they may have only built and sold 2000 of them when in production.

You can not compare these engines to an air cooled VW 1.6. You have to use a limited production comparison of say a 911 3.0 engine. There were 20,000 ish of them produced between 1978 and 1983. Using that analogy a $700 piston from VP is about right Vs a $1000 set for the 911.
Taking this into account. Moving to an engine like the BMW, which is also out of production doesn't make much sense.

Again, I've asked twice trying to help you. What is the exact model designation of your Volvo.
With the model of Volvo we can point you to a better, newer replacement.
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