[rpa440]

Thefront wastegate is petty inacessible somebody adjust it without removing entire turbo ?

[messar]

I can't claim credit for this - someone posted how to do this at one point.

You can adjust the front wastegate by moving the actuator with shims. I took out the fan, and the air pipe that runs across the front of the engine (sorry, don't know the correct name for the part).

You loosen the 3 bolts, and you can use spacers - I made mine taking washers and cutting out a section to make a C shape, since putting a washer there is a huge pain. I ended up stacking the spacers (superglue to each other) one at a time until I could feel a bit of drag on the wastegate under vacuum. (I don't think you can do this properly without removing the downpipes to actually feel the wastegate itself). In my car, I ended up moving the actuator about 1/4 inch.

Since you are in there, good time to replace the vacuuum line to the actuator as well.

matt

[Opo]

It is possible, but it is an absolute pain in the ass. And you really should have your down pipes off in order to adjust it properly.

see this thread:
http://www.e90post.com/forums/showth...just+wastegate

[boost junkie]

Take your downpipes off and wiggle the wastegate flapper. You'll understand why it rattles and there isn't a whole lot you can do about it. My car is a 2010 with 30k miles and the wastegate flappers seem like they are about to fall off. They are just shitty.

[Opo]

Originally Posted by boost junkie

Take your downpipes off and wiggle the wastegate flapper. You'll understand why it rattles and there isn't a whole lot you can do about it. My car is a 2010 with 30k miles and the wastegate flappers seem like they are about to fall off. They are just shitty.

This is 100% true, they are a shit design. But adjusting them can help eliminate rattle.

When I first bought my e92 it sounded like a bag of recycling so I adjusted them and it is astronomically less now, of course still rattles a bit though.