SI number

01 02 90 (168)

Consisting of:

1. 1 = 0491951  Spring tensioner
   NOTE: (Spring tensioner without spring retainer) Discontinuation and replaced by 31 3 350. (0 493 560)
2. 2 = 0491952  Holder
   NOTE: (Spring retainer (2 pieces)) With protective insert 31 3 127 - Model series: E32, E34 Touring, E36 Discontinuation and replaced by 31 3 350. (0 493 560)
3. 3 = 0491953  Holder
   NOTE: (Spring retainer (2 pieces)) With protective insert 31 3 128 - Model series: E31, E38, E39 front high (2x) and basic version (1x) Discontinuation and replaced by 31 3 350. (0 493 560)
   Fig 1: Identifying Spring Tensioner (313120)

   Courtesy of BMW OF NORTH AMERICA, INC.
4. 4 = 0491954  Ring
   NOTE: (Spring retainer) With insert ring 31 3 101 only for series E46/without insert ring 31 3 101 for series E31, E39 front basic version Discontinuation and replaced by 31 3 350. (0 493 560)
5. 5 = 0491955  Holder
   NOTE: (Spring retainer (2 pieces)) With protective insert 31 3 126 - model series: E38 rear, E39 Saloon rear Discontinuation and replaced by 31 3 350. (0 493 560)
6. 6 = 0491956  Insert
   NOTE: (Protective insert) For spring retainer 31 3 125 Discontinuation and replaced by 31 3 350. (0 493 560)
7. 7 = 0491957  Insert
   NOTE: (Protective insert) For spring retainer 31 3 122 Discontinuation and replaced by 31 3 350. (0 493 560)
8. 8 = 0491958  Insert
   NOTE: (Protective insert) For spring retainer 31 3 123 and 31 3 129 Discontinuation and replaced by 31 3 350. (0 493 560)
9. 9 = 0493289  Holder
   NOTE: (Spring retainer) With protective insert 31 3 128 - model series: E46 Discontinuation and replaced by 31 3 350. (0 493 560)
10. 11 = 0493290  Ring
    NOTE: (Insert ring) For centring the spring strut in the spring retainer 31 3 124 - model series: E46