Springs and shock absorbers

[Panta Rhei]

Car: 3.0si roadster WITHOUT M Sports Suspension Keep in mind I have 224 wheels on my zed and rear offset is so aggressive I probably cannot lower my ride 30 mm, am I right on this?
Rear spring on passenger side is damaged, need to replace both and wanted to buy OEM Sachs, could not find any. Same with Bilstein.
What other options do I have to not lower my car? Eibach has got -30 springs, but I cannot use them because of 224 wheels and some say you cannot use standard oem shock absorbers with eibach pro kit as it is going to blew up my acceleration and braking.
Also, front driver's side shock absorber has a leak, also need to replace both. Bilstein over Sachs?
Or maybe just purchase Bilstein B12 and hope not to rub
Eibach pro kit + Bilstein B4?

[MACK]

You can use the eibachs with 224 wheels without rubbing and you can pair them with bilstein b4 shocks. Been there done it.
Bilstein for me over sachs

[ben g]

I think the fronts might be close to the inner arch liner (the outside part where all Z4's seem to have holes)

The rears will be fine though, unless you intend on going off road?

[Panta Rhei]

Thanks MACK, that would do, but still Eibach B12 Pro kit is far superior? Night day difference between B4s and B12s? you've got any gallery bruh?
@ ben g, no offroad for now