BMW 330i 2005-2011 ZF 6HP Transmission Specifications

• Overall length: 600 mm
• Width: 450 mm
• Height: 350 mm
• Weight: 85 kg (dry)
• Housing material: Aluminum alloy

• Maximum input torque: 450 Nm
• Continuous torque capacity: 400 Nm
• Peak torque capacity: 500 Nm
• Torque converter lock-up clutch: Yes

Note: Torque values are measured at the input shaft.

• 1st gear: 4.171:1
• 2nd gear: 2.340:1
• 3rd gear: 1.521:1
• 4th gear: 1.143:1
• 5th gear: 0.867:1

• Reverse gear: 3.403:1
• Shift time: 0.3 seconds (average)
• Shift logic: Adaptive with sport mode

Note: Shift times may vary based on driving conditions.

• Fluid type: ZF Lifeguard 6
• Fluid capacity: 9.5 liters (including torque converter)
• Fluid change interval: 60,000 miles or 100,000 km
• Operating temperature range: -40°C to 150°C

• Filter replacement interval: Every fluid change
• Fluid level check: Required every 15,000 miles
• Fluid compatibility: Only ZF-approved fluids

Note: Using non-approved fluids may void the warranty.

• Drain old fluid through the transmission pan
• Replace the transmission filter and gasket
• Refill with 9.5 liters of ZF Lifeguard 6 fluid
• Check fluid level using the dipstick or diagnostic tool

• Remove the transmission pan to access the filter
• Install a new filter and secure the pan with a new gasket
• Torque pan bolts to 10 Nm
• Ensure no leaks after reassembly

Note: Always use a torque wrench for pan bolts to avoid over-tightening.