The good, the bad, the ugly - my fitment mistakes.

The good, the bad, the ugly - my fitment mistakes.

"These build journal entries are part of a Special Series on how I sourced the BBS CHR 20" wheels, the refinishing process along with the long, pain staking, yet rewarding process of getting the 20" BBS CHRs to fit proper.

In this journal entry, I try hitting my target: clearance, fitment, comfort. What I got is a shameful fitment thanks to FedEx & the Canadian Border Agency."
- Matt

The Original Plan.

I was to run a PSS 265-40-20 and 285-35-20 to keep the Genuine OEM sidewall ratio.

It would raise the car by 1.31 inches at the front and about 1 inch at the rear. I would lower it afterwards with the Bilstein B16 Damptronics that should have been here by now. 

But the Canadian Border Agency had other plans for the PapiExpress. 

The Temporary Fit.

The rears. 

I was able to fit the 285-35-20 on the 10.5 rear wheels with BBS' 5mm spacer. It's just as I intended. 

Meaty, fitted and no rubbing. 

The front was a different story. 

The 265-40 would hit the perch even with the 10mm spacer.  I had to make due with a Continental ExtremeContact 265-30-20 that I had laying around.

That's a ridiculous 2 inches lower than planned. 

From bad to worse. 

I knew from experience the height difference was going to cause problems.

The MSS65 thinks the front wheels are going way faster than the front.

It wrecks havoc on its computations.

The car won't drive with Traction Control on, the SMG doesn't understand what's going on. 

TC off & S6 it is then :) 

This is all temporary - but as with anything I do, I share the good, the bad and the ugly.

This is ugly.

Up next: can I make this fitment work?

Leave a comment

Please note, comments must be approved before they are published

This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply.

I help you save money on everything you need for your BMW M.

ConnexPlus is a premium membership for the most demanding BMW M owners.

A select group of members will save on everything they will ever need for their BMW M cars at the world's biggest BMW parts retailers.