Description
The H&R height-adjustable springs for BMW M4 F83 Convertible let you adjust the ride height while retaining the original shock absorbers. Threaded adjustment provides a variable drop for a sportier stance.
The stated technical adjustment range is 25–45 mm at the front and 15–35 mm at the rear. Choose the product reference that matches the vehicle version and suspension configuration. The corresponding Swiss approval document is supplied with the kit.
To comply with the Swiss approval document, lowering is limited to a maximum of −40 mm relative to the original ride height, subject to the conditions in the supplied document. The kit’s technical adjustment range may extend beyond this limit.
Technical specifications
| Brand |
H&R |
| Product type |
Height-adjustable springs |
| Vehicle application |
BMW M4 F83 Convertible |
| Technical front adjustment range |
25–45 mm |
| Technical rear adjustment range |
15–35 mm |
| Ride-height adjustment |
Threaded adjustment |
| Shock absorbers |
Original shock absorbers retained, depending on product reference and vehicle suspension configuration |
| Maximum approved lowering in Switzerland |
−40 mm relative to the original ride height, subject to the conditions in the supplied document |
To comply with the Swiss approval document, lowering is limited to a maximum of −40 mm relative to the original ride height, subject to the conditions in the supplied document. The kit’s technical adjustment range may extend beyond this limit.
Swiss approval
This H&R height-adjustable spring kit is supplied with a Swiss approval document specific to the product reference, allowing the modification to be entered on the vehicle registration document.
- Swiss approval: document included with the kit.
- Permitted lowering: up to a maximum of −40 mm relative to the original ride height, subject to the conditions in the approval document.
- Compatibility: the document must match the installed product reference and the vehicle concerned.
- Vehicle inspection: after installation, the vehicle must be presented to the cantonal vehicle authority to have the modification approved.
Important: some adjustment ranges technically allow lowering of more than 40 mm. This technical capability does not permit exceeding the −40 mm limit or disregarding the other conditions in the supplied document.
