BMW Z4 Roadster Owner's Handbook Manual page 325

Weights
Z4 sDrive20i
Kerb weight ready for road, with 75 kg, 165 lb, load,
tank 90 % full, no optional extras
Permitted gross weight
Load
Front axle load limit
Rear axle load limit
Z4 sDrive30i
Kerb weight ready for road, with 75 kg, 165 lb, load,
tank 90 % full, no optional extras
Permitted gross weight
Load
Front axle load limit
Rear axle load limit
Z4 M40i powered by BMW M
Kerb weight ready for road, with 75 kg, 165 lb, load,
tank 90 % full, no optional extras
Permitted gross weight
Load
Front axle load limit
Rear axle load limit
Filling capacities
BMW Z4 Roadster
Fuel tank, approximately.
Technical data
Litres (gal)
Online Edition for Part no. xxx - X/18
kg (lb) 1480 (3263)
kg (lb) 1740 (3836)
kg (lb) 335 (739)
kg (lb) 830 (1830)
kg (lb) 935 (2061)
kg (lb) 1490 (3285)
kg (lb) 1740 (3836)
kg (lb) 325 (717)
kg (lb) 830 (1830)
kg (lb) 935 (2061)
kg (lb) 1610 (3549)
kg (lb) 1860 (4101)
kg (lb) 325 (717)
kg (lb) 865 (1907)
kg (lb) 995 (2194)
52.0(11.4)
REFERENCE
325