Part #: K070640

Gates K070640 Serpentine Belt

Premium OE Micro-V Belt, Alternator and Water Pump, Alternator, Water Pump and Power Steering, and Fan and Alternator
⚙️ 48 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
📦Premium OE Micro-V Belt, Alternator and Water Pump, Alternator, Water Pump and Power Steering, and Fan and Alternator
🚗Fitment: BMW and Rolls-Royce, 540i, 740i, 740iL, 760Li, 840Ci, Ghost, M5, M8, M8 Gran Coupe, and X5
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Reliable Serpentine Belt for BMW and Rolls-Royce Vehicles

The Gates Premium OE Micro-V Belt K070640 is engineered to meet original equipment performance standards for select BMW and Rolls-Royce models. Designed as a serpentine belt with a 7-rib configuration, it ensures efficient power transmission for accessory drive systems.

  • Top width of 24 mm (0.947 inches) for precise fitment
  • Effective length approximately 1627 mm (64.07 inches)
  • Constructed with durable EPDM belt material and polyester cord for strength and flexibility
  • 7-rib automotive v-ribbed belt design (standard type K cross section)
  • Outside circumference around 1642 mm (64.64 inches)

About the Gates Premium OE Micro-V Belt Line

The Premium OE Micro-V Belt line from Gates is designed to provide original equipment (OE) performance and fitment. This product line focuses on delivering reliable operation and durability by using high-quality EPDM materials and polyester cords. The K070640 belt maintains consistent tension and reduces slippage, making it suitable for demanding automotive accessory drive applications.

Product Details and Specifications

This serpentine belt features a 7-rib design with a K cross section, optimized for automotive accessory drive systems. The belt's EPDM construction offers resistance to heat, ozone, and wear, while the polyester cord enhances tensile strength and flexibility. With a top width of 24 mm and an effective length of 1627 mm, the belt fits specific BMW models such as the 540i, 740i, 740iL, 760Li, 840Ci, M5, M8, M8 Gran Coupe, and X5, as well as Rolls-Royce Ghost models. The part number K070640 ensures compatibility and easy identification for maintenance or replacement needs.

Common Applications and Issues Addressed

  • Replacement for worn or cracked serpentine belts in BMW 540i and 740i models
  • Restores proper accessory drive function in Rolls-Royce Ghost vehicles
  • Prevents belt slippage and noise caused by stretched or damaged belts
  • Maintains optimal tension for alternator, power steering, and air conditioning systems
  • Addresses premature belt wear due to heat and environmental exposure

Installation Notes and Tips

Ensure the belt routing matches the vehicle’s accessory drive diagram before installation. Inspect pulleys and tensioners for wear or damage to avoid premature belt failure. Use proper tools to relieve tension on the belt tensioner and avoid twisting or damaging the belt during installation. Verify belt alignment and tension after installation to ensure optimal performance.

Quality Assurance and Warranty

The Gates Premium OE Micro-V Belt K070640 is manufactured to meet OE specifications, providing consistent quality and durability. The use of EPDM and polyester materials supports long service life under normal operating conditions. While specific warranty details are not provided, Gates products typically adhere to industry standards for quality and reliability.

BrandGates
Part NumberK070640
PositionPremium OE Micro-V Belt, Alternator and Water Pump, Alternator, Water Pump and Power Steering, and Fan and Alternator
Top Width.947
Top Width24
Cord MaterialPolyester
Cross Section DesignationK
Effective Length1627
Effective Length64.07
Outside Circumference1642
Outside Circumference64.64
TypeAutomotive v-ribbed belt (standard)
Rib Quantity7
Washer Pump IncludedEpdm
Belt MaterialEpdm
Cord MaterialPolyester
OE Comparison RatingOe performance
SectionK
TypeAutomotive v-ribbed belt (standard)

This part fits 48 vehicles. Search below:

YearMakeModelLitersCylindersFuel TypePositionNotes
2024BMWM84.4LV8GASN/APremium OE Micro-V Belt
2024BMWM8 Gran Coupe4.4LV8GASN/APremium OE Micro-V Belt
2023BMWM54.4LV8GASN/APremium OE Micro-V Belt
2023BMWM84.4LV8GASN/APremium OE Micro-V Belt
2023BMWM8 Gran Coupe4.4LV8GASN/APremium OE Micro-V Belt
2022BMWM54.4LV8GASN/APremium OE Micro-V Belt
2022BMWM84.4LV8GASN/APremium OE Micro-V Belt
2022BMWM8 Gran Coupe4.4LV8GASN/APremium OE Micro-V Belt
2021BMWM54.4LV8GASN/APremium OE Micro-V Belt
2021BMWM8 Gran Coupe4.4LV8GASN/APremium OE Micro-V Belt
2020BMWM54.4LV8GASN/APremium OE Micro-V Belt
2020BMWM84.4LV8GASN/APremium OE Micro-V Belt
2020BMWM8 Gran Coupe4.4LV8GASN/APremium OE Micro-V Belt
2019BMWM54.4LV8GASN/APremium OE Micro-V Belt
2018BMWM54.4LV8GASN/APremium OE Micro-V Belt
2016Rolls-RoyceGhost6.6LV12GASN/APremium OE Micro-V Belt
2015BMW760Li6.0LV12GASN/APremium OE Micro-V Belt
2015Rolls-RoyceGhost6.6LV12GASN/APremium OE Micro-V Belt
2014BMW760Li6.0LV12GASN/APremium OE Micro-V Belt
2014Rolls-RoyceGhost6.6LV12GASN/APremium OE Micro-V Belt
2013BMW760Li6.0LV12GASN/APremium OE Micro-V Belt
2013Rolls-RoyceGhost6.6LV12GASN/APremium OE Micro-V Belt
2012Rolls-RoyceGhost6.6LV12GASN/APremium OE Micro-V Belt
2011BMW760Li6.0LV12GASAlternator and Water PumpPremium OE Micro-V Belt
2011Rolls-RoyceGhost6.6LV12GASN/APremium OE Micro-V Belt
2010BMW760Li6.0LV12GASAlternator and Water PumpPremium OE Micro-V Belt
2010Rolls-RoyceGhost6.6LV12GASN/APremium OE Micro-V Belt
2009BMW760Li6.0LV12GASAlternator and Water PumpPremium OE Micro-V Belt
2003BMWM54.9LV8GASAlternator, Water Pump and Power SteeringPremium OE Micro-V Belt
2003BMWM55.0LV8GASAlternator, Water Pump and Power SteeringPremium OE Micro-V Belt
2003BMWX54.6LV8GASAlternator, Water Pump and Power SteeringPremium OE Micro-V Belt
2002BMWM54.9LV8GASAlternator, Water Pump and Power SteeringPremium OE Micro-V Belt
2002BMWM55.0LV8GASAlternator, Water Pump and Power SteeringPremium OE Micro-V Belt
2002BMWX54.6LV8GASAlternator, Water Pump and Power SteeringPremium OE Micro-V Belt
2001BMWM54.9LV8GASAlternator, Water Pump and Power SteeringPremium OE Micro-V Belt
2001BMWM55.0LV8GASAlternator, Water Pump and Power SteeringPremium OE Micro-V Belt
2000BMWM54.9LV8GASAlternator, Water Pump and Power SteeringPremium OE Micro-V Belt
2000BMWM55.0LV8GASAlternator, Water Pump and Power SteeringPremium OE Micro-V Belt
1999BMWM54.9LV8GASAlternator, Water Pump and Power SteeringPremium OE Micro-V Belt
1998BMW540i4.4LV8GASAlternator, Water Pump and Power SteeringPremium OE Micro-V Belt
1998BMW740i4.4LV8GASAlternator, Water Pump and Power SteeringPremium OE Micro-V Belt
1998BMW740iL4.4LV8GASAlternator, Water Pump and Power SteeringPremium OE Micro-V Belt
1997BMW540i4.4LV8GASAlternator, Water Pump and Power SteeringPremium OE Micro-V Belt
1997BMW740i4.4LV8GASAlternator, Water Pump and Power SteeringPremium OE Micro-V Belt
1997BMW740iL4.4LV8GASAlternator, Water Pump and Power SteeringPremium OE Micro-V Belt
1997BMW840Ci4.4LV8GASAlternator, Water Pump and Power SteeringPremium OE Micro-V Belt
1996BMW740iL4.4LV8GASAlternator, Water Pump and Power SteeringPremium OE Micro-V Belt
1996BMW840Ci4.4LV8GASAlternator, Water Pump and Power SteeringPremium OE Micro-V Belt

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

112817424751128751995511287565360112876318231128783326414327246928371566104015681040174247520428425-07064025-070640HD407064050706405070640DR640K7640K7MK7K16237K16297K6407PK16257PK16277PK16297PK16357PVK1625A-640K7GT4070640JK7-646K070640K070640HDPK070640

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.