onkel BMW R35 und R4 Uwe Riedienger

Begonnen von CLAUDE, 01 November 2025, 09:52:44

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CLAUDE

Hello,

For I a new crankshaft for my BMW R35 engine I contacted him.
Iff you knom him, have you an opinion ?
Is he make a serious work ?

Regards

Claude

CLAUDE


cwf

Hello,

Have you tried emw-r35.de ? There is plenty of help there, in German and English and probably French too.

I had my R35 crankshaft rebuilt in England (new big end bearing). Is that possible in France?

I think pre-war crankshaft is different from post-war.

Good luck, Charlie.

CLAUDE

Hello Charlie,

Actually my engine is with a professionnal in France.
I bought a new big end bearing in lithuania but he can't use it with the other spares.
It's difficult to find a professionnal in France and I don't want to be angry with him.
Th only solution I have is to buy a new crankshaft for finish the work.
Onkel sell a new one for 875 Euros.
But I'd like to know if he's serious.

Happy sunday  ;)

Claude



tom27

Hello Claude,

perhaps you can contact this man in Aachen.

He sells a sparepart engin too.

https://www.kleinanzeigen.de/s-anzeige/bmw-r35-nachkriegszeit/3180195311-305-16879

Greetings  tom27
Oldie-Einzylinder erhalten und sinnvoll weiterentwickeln

CLAUDE

Hello Tom,

Thank you but I don't knom how is the engine he sell.
I prefer have an engine rebuilt.

Greetings Claude

tom27

ok Claude,

but the engine has probably a crankshaft, housing etc. you can rebuild.
Its e question of the price.
Greetings tom27
Oldie-Einzylinder erhalten und sinnvoll weiterentwickeln

CLAUDE

Yes off course but I have an engine in a good order except for the crankshaft.
And my enhine is before the war.

CLAUDE

The professional tried to weld it and it's impossible ...
Here's the résult :


Pflotter

Hello,
I know him and years ago I bought some spares for my BMW R 35 . Do he do serious work? I´m afraid no body will really answer you this question. I got my crankshaft at this place https://www.oldi-tuning.de/ and I was convinced by their work. But I think they asking you for a crankshaft in exchange. Get in contact with them.
All the best   

CLAUDE


cwf

From emw-r35.de :

Has anyone had any experience with EKM, Raimund Rudolph,

or perhaps know of a good company? I would greatly appreciate any help.

I've already installed several crankshafts from him. I've only had positive experiences with Raimund from Eisenach.

Rudolph Raimund Kurbelwelleninstandsetzung. Nessetalstr. 34 99817 Eisenach - Stockhausen. Branche: Oldtimer in Eisenach.

Charlie.

Freude

Crankshaft parts are forged.
BTW: "Professional" welding ALWAYS requires proper preparation, e.g. a V-groove.

Zitat von: CLAUDE am 02 November 2025, 17:19:06The professional tried to weld it and it's impossible ...
Here's the résult :



CLAUDE

Ok thank you  :thumbsup:
I have buy a new cranksaft it'll be better.

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