Information

We provide a constantly developing knowledge base. If you're missing any information, feel free to contact us. Please also mind that our information section is only avaiable in German and English language.

	Model overview
	Troubleshooting
	Repair shops

Drives perfectly, throws gears much faster than before. I’m very satisfied! Thank you for your help and friendly service!

Filip D.

Thank you for your service,great job.

Tomasz B.

Thanks for your work, car is up and running perfect again. Shifting like new!

Chris J.

About Us

The SMG Society is a community dedicated for drivers of BMW's sequential transmissions which were fitted to several models. We offer refurbished and new parts as well as selected services. Besides, don't miss to check our troubleshooting section in case of any problems.

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Stamnitz & Sohn GbR
Berlin, Germany
+49 15258117526
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