German Auto Solutions

BMW isn't known to have the most robust coolant systems, but most of this can be fixed with regular preventative maintenance.  If you want to take ...

The M54 DISA valve is a great thing, but it has some faults from the factory.  In fact, if neglected, older DISA valves begin to rattle and the pin...

At some point in owning a BMW you will need to replace the faulty chain guides, reseal the front timing cover, or remove the VANOS unit.  To set ev...