These shocks are meant to be installed on models that did not come with Nivomat self leveling shocks or FOUR-C suspension.
On your Product ID plate under the hood, there is a line that indicates how the car was equipped from the factory.
If you have a 12 digit code on line 5, then position 8-9 are the digits you need to check.
if you have an 8 digit product code on line 5, then position 4-5 are the digits you need to check.
This shock fits models with these values: B9, C1, D7, 19, 47, 48, 68, 69, 74, 75.