I was going to use those exhaust flaps on our e53 4.8is but we sold it before I got the chance...
Great progress! Looks like you found a good honest shop. $650 seems really fair for all that work. I'll be doing a clutch in a couple of months but I'll be laying on the floor cursing a lot...
Dinan CAI &Throttle body, ESS Tuning TS2, Bimmerbrakes gen3 headers, UUC SSK & DSSR. Achilles oil pump, VAC oil pan baffle
M3 Motor mounts, UUC Trans mounts, Modified clutch style LSD 3.15, TMS front subframe reinforcement, Koni Yellow sports,
H&R sport springs, UUC sway bars, BMW Perf. Rotors, UUC SS brake lines, Hawk HPS pads, CSL replica wheels,
Rotora strut bar, FXR HID conversion, M3 Mirror conversion, BSW stage 1 speakers