SRAM VIA Centro power spline, 48/32T

does any one have any details on replacements parts as my bb is rattling and making my hex bolt loosen up its still rideable but after about three years travelling to work and back theses things happen ty all before hand

bike boardman mx sport 7

Tyres
Schwalbe Tyrago Kevlar Guard w/ reflective sidewalls
Cassette/Freewheel
SRAM, PG-1030, 10-SPD, 11-36T
Forks
SR Suntour NCX D LO, preload adjust, w/lockout.
Quick Release Front Wheel
Yes
Bottom Bracket
SRAM Power Spline
Chain
KMC, X10, NP/GY
Chainset
SRAM VIA Centro power spline, 48/32T
Front Brake
Avid DB-1 Hydraulic disc, 160mm rotors
Front Hub
9mm QR - 32 Hole
Mudguard Mounts
Yes
Mudguards Included
No
Pannier Mounts
Yes
Pedals
Wellgo Alloy Body - Steel Cage - 9/16"