This page gives More Technical information about Flat and Round pin connections for BMW original head units.
More Information > BMW Flat and Round Connections
On 3 series BMW's between Sep 98 and Feb 01 and the BMW Mini from Aug 01 >, the head unit connections varied from a normal BMW type Round Pin connection and a Flat Pin connection. In order to purchase the correct fitting kit for your requirements it is advised to remove and check the head unit connections before ordering your kit.
Below are examples of the two different types of connections found in these vehicles.
| Round Pin | Flat Pin |
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| Typical connectors are... | |
|
PC2-05-4 PC99-X21 PC99-X37 PC9-405 (Active system lead) |
PC2-75-4 PC99-X33 PC99-X38 |
For more information, please e-mail Technical@nexxia.co.uk
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Revised: March 03, 2006