Originally Posted by Dozhdbog
How did you know it was needed?
When I would accelerate usually at highway speeds in 5th or 6th gear the car would hesitate, and act like it was misfiring.
After I had it done it felt like 50hp was added. I only Shell V-Power in my car now. I was using shitty convenience store gas before.
'15 335 XDrive: Glacier Silver, MSport, 19's, every option (except ACC and DAP), MPPK, MPE, black grille, splitter, side sills, CF Spoiler, clear bra.
Previous: '14 435 F32 xDrive; '09 335 E92 xDrive