JCW Authentic R56 MINI Challenge Car Parts
Joined: Jul 2009
Posts: 263
Likes: 1
From: Toronto, Ontario, Canada
I didn't do the installation. I had Bavarian Professionals in Berkeley do the work. The installation was about 6 hours because the underbody panels had to be modified to fit around the X-Brace I have installed. The rear bumper also had to be modified (tabs removed) and I had them cut the bumper insert to fit between the diffusers over the exhaust.
By Bumper Insert, you mean the original OEM JCW Rear Bumper Diffuser, right? So you had to cut it to fit the Challenge Diffuser in heh?
For some reason, I would expect that the Challenge Diffuser Kit would come with an already cut piece for you to paint...guess not...
But wow it looks nice! Now you just need to get the Challenge Spoiler to finish off the look!
Sorry for the delay but it has taken me a while to get everything installed. The front splitter is easy. The rear diffuser requires the underbody panels and brackets that are stock on the Euro cars but not on the US cars. It took me quite a while to figure out what was necessary to attach the diffusers but it is FINALLY done.


I'm adding these someday when I'm done with the engine mods.
Here is a parts list for the underbody panels, brackets, etc. that are required to attach the front edge of the diffusers from another posting:
Part No's for the panels are:
51 75 2 753 163
51 75 2 753 164
You will also need the brackets:
51 75 2 753 165
51 75 2 753 166
HEX BOLT (QTY 2)
Part: 07119904042
Plastic Rivet - Used to hold the heat insulation to the body (QTY 2)
Part: 07130702966
Hex Bolt With Washer - M6X25 (QTY 2)
Part: 07147117693
PLASTIC NUT (QTY 20)
Part: 51161943122
SCREW (QTY 2)
Part: 51712752360
UNDERSIDE PANELING
Part: 51752753163
UNDERSIDE PANELING
Part: 51752753164
Part No's for the panels are:
51 75 2 753 163
51 75 2 753 164
You will also need the brackets:
51 75 2 753 165
51 75 2 753 166
HEX BOLT (QTY 2)
Part: 07119904042
Plastic Rivet - Used to hold the heat insulation to the body (QTY 2)
Part: 07130702966
Hex Bolt With Washer - M6X25 (QTY 2)
Part: 07147117693
PLASTIC NUT (QTY 20)
Part: 51161943122
SCREW (QTY 2)
Part: 51712752360
UNDERSIDE PANELING
Part: 51752753163
UNDERSIDE PANELING
Part: 51752753164
Sorry for the delay but it has taken me a while to get everything installed. The front splitter is easy. The rear diffuser requires the underbody panels and brackets that are stock on the Euro cars but not on the US cars. It took me quite a while to figure out what was necessary to attach the diffusers but it is FINALLY done.



On a side note – I ordered that same vanity tag a month ago.
DMV reports I’ll have it sometime between two weeks from now and Christmas
your photos are broke!
can you repost your photos?

Sorry for the delay but it has taken me a while to get everything installed. The front splitter is easy. The rear diffuser requires the underbody panels and brackets that are stock on the Euro cars but not on the US cars. It took me quite a while to figure out what was necessary to attach the diffusers but it is FINALLY done.








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