5-Series (E12,E28, E34, E39, E60)Chat relating to the BMW 5-Series of all generations. Specific models include: BMW 518, BMW 520, BMW 520i, BMW 530i, BMW 528i, BMW 530i, BMW 518i, BMW 524d, BMW 525i, BMW 525e, BMW 528e, BMW 540i, BMW 535i, BMW 520d, BMW 525td, BMW 525d, BMW 530d, BMW 525i/xi, BMW 530i/xi. (BMW 5-Series Forum)
Ummm... I don't exactly know how to address your query.
"Track" in automotive jargon is: the distance between the centers of the treads of either the front or rear wheels of a vehicle.
... and that has nothing to do with a measure of degree.
It is toe-in, caster, and camber that are measured in degrees.
a lowered car, the use of spacers, and aftermarket wheels does alter your steering geometry and wheel alignment; and your best option would be to consult with an alignment shop that has experience in this type of alteration because the factory specs as a basis for alignment will no longer apply.
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