Wanted to show a comparison of OEM, H&R 435 Sports and H&R M3/M4 springs:
Stock
435 H&R Sport Springs
M3/M4 H&R Sport Springs
OEM Spring measurement
435 H&R Sport measurement
M3/M4 H&R Sport Spring Measurement
Front drop is identical. Approximately 1/4" different in rear height between 435 vs M3/M4.