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When car is cold during the winter I hear a whirring sound from the rear end. When it warms up it goes away. Should I try a fluid change or what’s your thoughts?

I have thought AKG system was ok. I tried sound mode rear and wow so much better. Go give it a try! I’m

Hi all, Curious what PTM setting you are using for autocross events?

1700 miles and in I love my 4BW 6 speed. The two personalities this car is my favorite part! One minute I can comfortably and quietly roll down the road with my seat massaging my back. In an instant with push of V it comes to life! I was a little worried about coming from a 5 liter V8 in my...

Curious if others find second gear hard to engage compared to others? I grind second sometimes trying to get it in with clutch fully engaged. I think I have it and when I release clutch it pops out with a grind. Also have had a few cases where when I go second to neutral full clutch in it...

Hi all, 4BW with top tier seats. The lumbar on the driver seat on its own inflates to full. I can let all the air out which I prefer and 5 mins later it’s back full again on its own. Any ideas?

Anyone near Rochester Mi with a manual 4BW. I would like to compare my clutch with another car. Mine chatters from dead stop on certain cases and I don’t think it’s right.

Anyone get chatter when starting from dead stop and with no throttle? CT4 if it matters. Wondering if I should slip clutch to try to smooth it out.

Hi all, Picked up a 4BW on Monday! When I start car every time the massage feature turns on and I have turn off. What do I need to do to have it start off every time?

Hello Anyone know when 23 4BW pricing will be posted by GM?