You have OEM parts on your car now, they need to return it to the condition it was in before she hit it. That is putting back OEM parts. Aftermarket is NEVER the same quality as OEM. Don't accept that bullshit. She caused the accident, not you.
'09 LCI 335i E90 in BSM over Oyster Dakota Leather, 6 spd, Sport, Navigation, Individual Audiophile, Executive, Active Steering, JB4 + MHD BEF, 335is Exhaust w/AWE Tuning Tips, AFE DCI, Euro Tails/Fog Light Switch, various painted and other OEM + mods, 19" M5 reps summer, 18" M6 GC reps winter.