Rear Diffuser + Exhaust Help

[keepittrill]

I've been looking at getting the sDrive30i 4 x 76mm Eisenmann Performance Exhaust. I'm not a fan of the single dual tip on one side! Plus, you can't beat the Eisenmann sound! Now I obviously can't use the OEM bumper, so i've been looking at rear diffusers to go along with the exhaust system. However, I was wondering if I need to get a whole new bumper along with the rear diffuser? I'm not getting much info because there's not much on the E89 out there.

[rking117]

yes i do believe u may need a new rear bumper. That is of course you dont alreay have a detachable rear difusser. If you do then you may just need the difusser but that is unlikley. A pic of your rear might solve that question. (I mean the car not yours)

[keepittrill]

Originally Posted by rking117

yes i do believe u may need a new rear bumper. That is of course you dont alreay have a detachable rear difusser. If you do then you may just need the difusser but that is unlikley. A pic of your rear might solve that question. (I mean the car not yours)

Damn, just as I was uploading a pic of my ass. LOL Let me take a pic real quick...I was squatting in the reflection, so i thought I'd spare you guys that sight and block it out hahaha



Aaaaaaaand it's sideways. Great.

[jparnes1]

Rear diffusers are bolt on with the M Sport package. Otherwise it's a single piece with the bumper cover.

[CedarZ4]

As jparnes has pointed out, the M-Sport bumper and the diffuser are two separate pieces. Looks like you have the non-M Sport, so you don't really have a diffuser (the bumper is one piece). An option would be to get a "bolt-on" diffuser (like 3D Design) or, just cut holes into your existing bumper which is what a lot of people do.