[EdM5]

Hi Jon,
The 281 20" will look fantastic on your car, excellent choice.

The Schnitzer info on the spring set is indeed confusing. What they are trying to say is, there is a difference between the F10 and F11.

Previously, I posted this clarification:

The ACS lowering springset consists of:
- Only front springs for the f11 (2 springs)
- Front & rear springs for the f10 (4 springs)

The F10 and F11 happen to have diferent rear axles, that's why.
If you still do not believe it, check the ACS site:
http://preisliste.ac-schnitzer.de/ac...=5er-F10%2FF11

Here is the relevant info from Schnitzer:
Fahrwerk-Federnsatz
für 535d Limousine ohne Niveauregulierung (= WITHOUT Leveling system)
bestehend aus:
3133210310 Feder Vorderachse x 2
3353210410 Feder Hinterachse x 2

für 525d, 530d,535d, 535i Touring mit Niveauregulierung (= WITH leveling system)
bestehend aus:
3133210310 Feder Vorderachse x 2

Bottomline: the springset for the F10 consists of 4 springs, the set for the F11 consists of 2 (front only). And it is compatible with adaptive drive.