SI number

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01 02 90 (168)

Consisting of:

Fig 1: Identifying Spring Tensioner (0491950)

Courtesy of BMW OF NORTH AMERICA, INC.

0491951 Spring tensioner
NOTE: (Spring tensioner without spring retainer) Discontinuation and replaced by 31 3 350. (0 493 560)
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)
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)
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)
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)
0491956 Insert
NOTE: (Protective insert) For spring retainer 31 3 125 Discontinuation and replaced by 31 3 350. (0 493 560)
0491957 Insert
NOTE: (Protective insert) For spring retainer 31 3 122 Discontinuation and replaced by 31 3 350. (0 493 560)
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)
0493289 Holder
NOTE: (Spring retainer) With protective insert 31 3 128 - model series: E46 Discontinuation and replaced by 31 3 350. (0 493 560)

11 = 0493290 Ring
NOTE: (Insert ring) For centering the spring strut in the spring retainer 31 3 124 - model series: E46