I got one of these for my 325i:
via Juiced Up Tuning in the UK. But note that mine is the N53 DI engine, so may use different plugs. Why not get in touch with Juiced Up?
E92 pre-LCI 325i - Ohlins R&T; H&R spacers; M3 strut brace; Swift thrust sheets; BMS clutch stop; BMS CDV; RE g/box mounts; Saikoumichi OCC; K&N; Cyba scoops; BA diff brace; BMW Perf Exhaust; M3 rear spoiler; M3 white dash LEDs; LED Angels; LED side repeaters; BMW Perf black grille; CSL reps; SSDD carbon diffuser; Monster Wrap black roof