2004 Porsche Boxster Base, AutomaticFACTORY OEM SERVICE PROCEDURE

Technical data Boxster (2.7 L): Engine

ENGINE TECHNICAL DATA BOXSTER (2.7 L)

Engine type:   M 96/22
No. of cylinders   6
Bore mm 85.5
Stroke mm 78
Cubic capacity cm3 2687
Compression ratio   11.0: 1
Max. engine power
asper80/1269/EWG kW 162
as per SAE J 1349 HP 220
at engine speed rpm 6400
Max. torque
as per80/1269/EWG Nm (ftlb.) 260 (192)
at engine speed rpm 4750
Max. litre output
as per 80/1269/EWG kW/l, HP/I 60.29 (82.03)
Idle speed - manual transmission rpm 700
Tiptronic selector lever at P or N rpm 700
Tiptronic selector lever in driving position rpm 700
and air conditioning on rpm 700
Rpm limitation at rpm 7200
Engine weight
Manual transmission kg 188
Tiptronic transmission kg 178.1
VALVE CONTROL SPECIFICATIONS

Engine type: M 96/22
Valve control DOHC with camshaft adjustment (VarioCam)
Valve arrangement per combustion chamber 2 inlet, 2 exhaust suspended in parallel V arrangement
Valve clearance Hydraulic valve clearance compensation
Timing with 1 mm valve travel Inlet opens 14° after TDC
Inlet closes 44° after BDC
Outlet opens 141° after TDC
Outlet closes 8° before TDC
ENGINE COOLING SPECIFICATION

Engine cooling
Type Liquid cooling, two electric fans, controlled in two stages
MOTOR LUBRICATION SPECIFICATIONS

Motor lubrication   Integrated dry sump
Oil cooling   Via oil-water heat exchanger
Oil pressure at 5000 rpm
Oil temperature 90°C bar Approx. 5
Oil consumption 1/1000 km Up to 1.0
FUEL SYSTEM SPECIFICATIONS

Fuel system   ME 7.2 with sequential fuel injection
Fuel supply   1 electr. fuel pump
System pressure without vacuum bar 3,6 ...4,0
Fuel RON/MON   min. 98/88
FUEL CONSUMPTION AS PER 93/116/EG

Fuel consumption as per 93/116/EG
    Manual transmission Tiptronic
City 1/100 km 14.3 15.9
Highway 1/100 km 7.4 8.0
Overall 1/100 km 9.9 10.9
Target CO2 value g/km 245 271
Emission control Euro II Oxygen-sensing closed-loop control, 3-way catalytic converter with one catalytic converter to the left and right in each case
EURO II D4 Additional secondary air system
USA LEV Oxygen-sensing closed-loop control, 3-way catalytic converters with a start and main catalytic converter to the left and right in each case (USA)
On-Board Diagnosis (OBD II) On-Board Refuelling (ORVR)
ELECTRICAL SYSTEM SPECIFICATIONS

Electrical system
Nominal voltage V 12
Alternator output W/A 1680/120
Battery manual transmission Ah/A 60/280
Battery Tiptronic Ah/A 70/340
Ignition   ME 7, with static high-voltage distribution and cylinder-selective knock regulation
Firing order   1-6-2-4-3-5
Spark plugs
Bosch   FGR 6 KQC
Beru   14FGR 6 KQU
Electrode gap mm 1,6 + 0,05
Factory Service Tools

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.

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