A funy noise in the transmission

[pollito]

hey i have 1997 bmw 328i. five speed, stick shift,
i have a problem with the transmission, i don't know how to explain. Is like
when the car is a litle cold and driving the car slow, like 20-25mph the transmission start to to whistle. and whistle for a while,,,and them gone,
that happen every time when i drive the car

i need help with it before it can be late....please some help me or give a imformation what can be,,, whot should be the problem,,,?
thank you

[witeshark]

I would change the gear box oil ASAP.

[pollito]

Originally Posted by witeshark

I would change the gear box oil ASAP.

where is the gearbox locater...

colect some other informatio,, people told me it may need tunne up. oil and oil filter...
what do you think?

[witeshark]

Manual transmissions need a simple lube change like any other gear box such as the rear differential.