BMW 535i 2017-present

BMW 535i 2017-present ZF 8HP Transmission Specifications

Comprehensive technical specifications for the ZF-8HP automatic transmission system used in the 2017-Present BMW 535I. This document covers gear ratios, torque capacity, fluid requirements, shift logic, and diagnostic protocols specific to this transmission model.

Updated Oct 24, 2023

Overview Specifications

Comprehensive description of the zf-8hp-transmission specifications for the 2017-Present bmw 535I, including key features, measurements, and technical details

How to Use

Use the search bar to find specific zf-8hp-transmission specifications by entering keywords such as 'torque capacity', 'gear ratios', or 'fluid capacity'.

Navigate through the documentation sections using the table of contents or by scrolling through the major sections and subsections.

Key Specifications

Transmission Type

8-speed automatic

Torque Capacity

500 Nm (369 lb-ft)

Weight

86 kg (189.6 lbs)

Fluid Capacity

9.5 liters (10.0 quarts)

Gear Ratio Spread

7.0

Available Specifications

Transmission Design and Features

Detailed description of the zf-8hp-transmission design, including its architecture, key components, and innovative features.

Architecture Overview

8-speed automatic transmission with planetary gear sets
Compact and lightweight design, weighing approximately 86 kg (189.6 lbs)
Integrated torque converter with lock-up clutch
Electronically controlled hydraulic system for precise shifting

Key Features

Adaptive shift strategy for optimized performance and fuel efficiency
Start-stop functionality for reduced emissions
Wide gear ratio spread of 7.0 for improved acceleration and cruising efficiency
Compatible with BMW's xDrive all-wheel-drive system

Note: The adaptive shift strategy adjusts based on driving style and road conditions.

Performance Specifications

Technical details about the zf-8hp-transmission's performance capabilities, including torque capacity, gear ratios, and shift times.

Torque and Power Handling

Maximum torque capacity of 500 Nm (369 lb-ft)
Designed to handle engine outputs up to 300 kW (402 hp)
Optimized for BMW's TwinPower Turbo inline-6 engine
Efficient power transfer with minimal energy loss

Gear Ratios

1st gear: 5.000
2nd gear: 3.200
3rd gear: 2.143
4th gear: 1.720
5th gear: 1.314
6th gear: 1.000
7th gear: 0.822
8th gear: 0.640
Reverse gear: 3.857

Note: The wide gear ratio spread enhances both acceleration and fuel efficiency.

Maintenance and Fluid Specifications

Information on maintenance requirements, fluid capacity, and recommended service intervals for the zf-8hp-transmission.

Fluid Capacity and Type

Transmission fluid capacity: 9.5 liters (10.0 quarts)
Recommended fluid: ZF Lifeguard 8 transmission fluid
Fluid change interval: Every 80,000 km (50,000 miles) or 8 years
Fluid operating temperature range: -40°C to 150°C (-40°F to 302°F)

Service and Maintenance

Regular inspection of transmission mounts and seals
Diagnostic scans using BMW ISTA software for error codes
Replacement of transmission filter during fluid changes
Check for leaks and wear during routine maintenance

Note: Use only ZF-approved fluids and components for optimal performance.

Search Specifications

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Transmission Specifications

General information

Transmission Type: 8-speed automatic

Manufacturer: ZF Friedrichshafen AG

Model Code: 8HP50

Part Number: 24108648801

Compatibility: 2017-Present BMW 535I

Weight: 87 kg (191.8 lbs)

Dimensions

Length: 600 mm (23.6 in)

Width: 420 mm (16.5 in)

Height: 320 mm (12.6 in)

input Shaft Length: 150 mm (5.9 in)

Output Shaft Length: 200 mm (7.9 in)

Performance

Maximum Torque: 500 Nm (368.8 lb-ft)

Maximum Power: 225 kW (302 hp)

Gear Ratios: 1st Gear: 4.714
2nd Gear: 3.143
3rd Gear: 2.106
4th Gear: 1.667
5th Gear: 1.285
6th Gear: 1.000
7th Gear: 0.839
8th Gear: 0.667
Reverse Gear: 3.317

Shift Time: 200 ms

Fluid Specifications

Fluid Type: ZF Lifeguard 8

Fluid Capacity: 9.5 liters (10.0 quarts)

Fluid Change interval: 60,000 miles or 60 months

Fluid Temperature Range: -40°C to 150°C (-40°F to 302°F)

Operational Parameters

Maximum input Speed: 7000 rpm

Maximum Output Speed: 6500 rpm

Operating Temperature Range: -40°C to 150°C (-40°F to 302°F)

Maximum Allowable Torque: 550 Nm (405.7 lb-ft)

Maintenance

Filter Part Number: 24117580125

Filter Change interval: 60,000 miles or 60 months

Seal Kit Part Number: 24117580126

Gasket Part Number: 24117580127

Torque Converter Fluid Change interval: 100,000 miles or 100 months

Diagnostics

Diagnostic Tool: BMW ISTA

Fault Codes

P0700 - Transmission Control System Malfunction
P0715 - Input/Turbine Speed Sensor Circuit Malfunction
P0720 - Output Speed Sensor Circuit Malfunction
P0730 - Incorrect Gear Ratio
P0741 - Torque Converter Clutch Circuit Performance or Stuck Off

Diagnostic interval: Every 30,000 miles or 30 months

Safety information

Warning: Always use manufacturer-recommended fluids and parts to avoid damage to the transmission.

Caution: Ensure the vehicle is on a level surface when checking or changing transmission fluid.

Note: Improper installation of transmission components can lead to severe damage and void warranty.

Related Components

Engine: N55B30M0

Transfer Case: Not applicable (RWD configuration)

Driveshaft: Part Number: 26107580123

Differential: Part Number: 33107580124

Tolerances

Gear Mesh Tolerance: 0.05 mm (0.002 in)

Shaft Clearance Tolerance: 0.10 mm (0.004 in)

Fluid Pressure Tolerance: ±0.2 bar (±2.9 psi)

Service Information Service

Detailed service requirements and schedules for the ZF-8HP transmission in the 2017-Present BMW 535I.

30,000 miles

30 months

Check transmission fluid level
Inspect for leaks
Perform diagnostic scan

Ensure all diagnostic codes are cleared after service.

60,000 miles

60 months

Change transmission fluid
Replace transmission filter
Inspect seals and gaskets

Use only ZF Lifeguard 8 fluid for replacement.

100,000 miles

100 months

Change torque converter fluid
Inspect and replace worn components
Perform full diagnostic check

Consider replacing the transmission pan gasket if leaks are detected.

Common Questions

Find answers to common questions about torque specifications

What is the torque capacity of the ZF 8HP transmission in the 2017-Present BMW 535i?

The ZF 8HP transmission used in the 2017-Present BMW 535i has a torque capacity of up to 500 Nm (369 lb-ft). This ensures compatibility with the vehicle's 3.0L TwinPower Turbo inline-6 engine, which produces 300 horsepower and 330 lb-ft of torque.

How often should the transmission fluid be changed in the ZF 8HP transmission?

BMW recommends changing the transmission fluid and filter every 60,000 to 100,000 miles under normal driving conditions. However, for severe driving conditions (e.g., frequent towing, stop-and-go traffic), it is advisable to service the transmission every 50,000 miles. Always use ZF Lifeguard 8 fluid for optimal performance.

What are the key features of the ZF 8HP transmission in the BMW 535i?

The ZF 8HP transmission features 8-speed automatic gear ratios, adaptive shift programming, and a torque converter with lock-up clutch for improved efficiency. It also includes BMW's Driving Dynamics Control, which adjusts shift patterns based on driving style and road conditions.

Can the ZF 8HP transmission be reprogrammed or tuned?

Yes, the ZF 8HP transmission can be reprogrammed using BMW-approved diagnostic tools or aftermarket tuning solutions. Reprogramming can optimize shift points, improve throttle response, and enhance overall performance. However, improper tuning may void the vehicle's warranty.

What is the weight of the ZF 8HP transmission?

The ZF 8HP transmission weighs approximately 87 kg (192 lbs) without fluid. This lightweight design contributes to the vehicle's overall efficiency and performance.

Factory Service Resources

Access official service manuals, technical documents, and repair guides. These resources provide detailed procedures, specifications, and diagrams directly from the manufacturer.

ZF 8HP Transmission Technical Manual

Coming Soon

Official technical manual for the ZF 8HP transmission, covering installation, maintenance, and troubleshooting procedures.

BMW 535i Service Schedule

Coming Soon

Detailed service schedule for the 2017-Present BMW 535i, including transmission fluid change intervals and recommended maintenance tasks.

ZF Lifeguard 8 Fluid Specifications

Coming Soon

Technical specifications and compatibility information for ZF Lifeguard 8 transmission fluid, the recommended fluid for the ZF 8HP transmission.

BMW Diagnostic Software Guide

Coming Soon

Guide to using BMW-approved diagnostic tools for reprogramming and troubleshooting the ZF 8HP transmission.

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Technical Information

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