jono330i - Have you got any screen wash in it??
Obviously not enough or any. Either neat ready-mix or at least 1/3 neat concentrate to water is needed.
The Methanol in screen wash will kill bacteria and stop it smelling, and screen washes are fragranced to some extent.
E90 330i 6MT gone. E91 335i 6MT gone. AMG E63 Estate gone. M6GC current...