Make / trade name
BMW Z4 Roadster 2.5i
- Manufacturer : BMW BAYERISCHE MOTOREN WERKE AG, D-80788 MUENCHEN
- Chassis number prefix : WBABT31..........
Body type
Ouvert avec capote / hardtop
Technical type / EC no.
- Type, variant / version : Z85; BT31/31, -/37, -/32
- EC type-approval no. : e1*70/156-2001/116*0219
- Approved on : 05.02.2003
Engine
- Brand : BMW
- Type : 256S5
- Displacement : 2'494 cm³
- Power : 141 kW (192 hp) · 6'000 rpm
- Torque : 245 Nm · 3'500 rpm
- Engine code : 256S5
- Fuel : Petrol
- Drive : Rear-wheel drive
- Gearbox : m5 / m6a / a5
- Top speed : 235 km/h
Service Parts
All service parts ›
Weights and dimensions
- Kerb weight : 1'335 – 1'365 kg
- Gross vehicle weight : 1'560 – 1'590 kg
- Axle load (front / rear) : 780 kg / 840 – 850 kg
- Length × width × height : 4'091 × 1'781 × 1'299 mm
- Wheelbase : 2'495 mm
- Seats : 2
- Doors : 2
Approved tyres and wheels
View tyre size equivalences- 225/50R16 Equivalences 92V; 7x16 DP47 / AV= 225/40R18 Equivalences 88W; 8x18 DP47 AR= 255/35R18 Equivalences 90W; 8 1/2x18 DP50
- 225/45R17 Equivalences 91W; 8x17 DP47 / AV= 225/45R17 Equivalences 91W; 8x17 DP47 AR= 245/40R17 Equivalences 91W; 8 1/2x17 DP50
- 205/55R16 Equivalences 91Q M+S; 7x16 DP47
Emissions
- Emissions code (box 72) : B04
- Emission control : Catalytic converter
- Driving / stationary noise : 72 dB(A) / 86 dB(A) · 4'500 rpm
| Gearbox | CO | HC | NOx | PM |
|---|---|---|---|---|
| m5 | 170 | 50 | 30 | – |
| a5 | 250 | 50 | 30 | – |
| m6a | 270 | 50 | 30 | – |
Source: Federal Roads Office (FEDRO), public type-approval data.
Parts for BMW Z4 Roadster (E85) 2.5 i
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