HomeTransmission > Transmission Hard PartsStandard Ignition TCS177 Automatic Transmission Control Solenoid
Part #: TCS177

Standard Ignition TCS177 Automatic Transmission Control Solenoid

⚙️ 18 vehicles fit this part
🔍
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
$172.54Free Shipping
🚚Free ShippingNo Cost to Continental U.S.
🔄Free Returns*Wrong fit? No cost
🛡️60-Day ReturnsMoney back guarantee
*Free return shipping only qualifies if our fitment verification tool is used.
🔥
✅ In Stock · Ready To Ship Most orders ship same-day if ordered before 1pm CST.
OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: BMW, Z4, 330Ci, 330i, 525i, 530i, 325Ci, and 325i
🔄Easy Returns — Return within 60 days for a full refund
🚚Fast Shipping — Most orders ship same business day before 1pm CST

Overview of Standard Ignition Automatic Transmission Control Solenoid

The Standard Ignition TCS177 is a reliable automatic transmission control solenoid designed for select BMW models. Engineered with durable metal and plastic materials, this solenoid ensures precise transmission control for vehicles like the BMW 325Ci, 330i, and Z4.

  • Connector Gender: Female
  • Terminal Gender: Male with blade terminal type
  • Attachment Method: Push on for secure installation
  • Single rectangular connector for easy connection
  • Includes one solenoid and necessary gaskets
  • Constructed from metal and plastic for durability
  • Two terminals included for proper electrical connection

Detailed Product Description

The Standard Ignition TCS177 automatic transmission control solenoid is designed to regulate hydraulic pressure within the transmission system, enabling smooth gear shifts and optimal vehicle performance. This solenoid features a female connector with a rectangular shape and a push-on attachment method, facilitating straightforward installation and reliable electrical contact. The male blade terminals provide secure connectivity, while the included gaskets help maintain a proper seal to prevent leaks. Compatible with BMW models such as the 325i, 525i, 530i, 330Ci, and Z4, this solenoid is built to meet OEM specifications using a combination of metal and plastic materials for long-lasting operation.

Common Applications and Problem Resolution

  • Addresses erratic or delayed gear shifting in automatic transmissions
  • Helps resolve transmission slipping or failure to engage gears
  • Prevents transmission overheating caused by improper hydraulic pressure
  • Eliminates transmission warning lights related to solenoid malfunction
  • Restores smooth transmission operation in compatible BMW models

Installation Notes and Tips

Installation of the Standard Ignition TCS177 solenoid requires basic automotive tools and knowledge of transmission systems. Ensure the vehicle is safely lifted and the transmission fluid is drained before removal. The push-on connector and blade terminals simplify electrical connections, but verify all connections are secure to avoid operational issues. Replace the included gaskets during installation to maintain a proper seal and prevent leaks. No additional hardware or mounting brackets are included, so reuse existing components as needed.

Quality Assurance and Warranty

Standard Ignition parts are manufactured to meet or exceed OEM standards, ensuring reliable performance and durability. The TCS177 solenoid undergoes rigorous quality control testing to verify fitment and function for compatible BMW models. While specific warranty details are not provided here, Standard Ignition typically offers limited warranties covering defects in materials and workmanship. Consult product documentation or the manufacturer for exact warranty terms.

BrandStandard Ignition
Part NumberTCS177
Attachment MethodPush On
Connector GenderFemale
Connector ShapeRectangular
ContentsSolenoid
Gaskets IncludedYes
Hardware IncludedNo
MaterialMetal, Plastic
Mounting Bracket(s) IncludedNo
Terminal GenderMale
Terminal TypeBlade
Wiring Harness IncludedNo

This part fits 18 vehicles. Search below:

YearMakeModelPositionNotes
2006BMWZ4N/A
2005BMWZ4N/A
2004BMWZ4N/A
2003BMW330CiN/AAutomatic Transmission Control Pressure Solenoid
2003BMW330iN/A
2003BMW525iN/A
2003BMW530iN/A
2003BMWZ4N/A
2002BMW325CiN/A
2002BMW325iN/AAutomatic Transmission Control Pressure Solenoid
2002BMW330CiN/A
2002BMW330iN/A
2002BMW525iN/A
2002BMW530iN/A
2001BMW325CiN/A
2001BMW325iN/AAutomatic Transmission Control Pressure Solenoid
2001BMW330CiN/A
2001BMW330iN/A

* 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:

24341423461TCS100TCS720

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