HomeIgnition > Ignition Wire and Related ComponentsURO 12121720529 Spark Plug Wire Set
Part #: 12121720529

URO 12121720529 Spark Plug Wire Set

⚙️ 22 vehicles fit this part
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Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: BMW, 325e, 325es, 325i, 325is, 325iX, 525i, and 528e
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Reliable Spark Plug Wire Set for BMW 3 and 5 Series

The URO Spark Plug Wire Set 12121720529 is designed specifically for select BMW models, including the 325e, 325es, 325i, 325is, 325iX, 525i, and 528e. This ignition wire set ensures consistent electrical conductivity and optimal engine performance for your BMW vehicle.

  • Compatible with BMW 325e, 325es, 325i, 325is, 325iX, 525i, and 528e models
  • Part number 12121720529 for precise fitment and easy identification
  • Constructed to maintain stable ignition voltage and reduce electrical interference
  • Durable materials designed to withstand engine heat and vibration
  • Direct replacement for original equipment spark plug wires

Product Details and Compatibility

This URO spark plug wire set (part number 12121720529) is engineered to meet the ignition system requirements of various BMW 3 Series and 5 Series models. The wires provide reliable transmission of high voltage from the ignition coil to the spark plugs, ensuring efficient combustion and smooth engine operation. Compatible with BMW 325e, 325es, 325i, 325is, 325iX, 525i, and 528e, this set is tailored to fit the specific routing and length requirements of these vehicles.

Common Applications and Problem Resolution

  • Restores proper ignition timing and spark delivery
  • Eliminates misfires caused by worn or damaged spark plug wires
  • Reduces engine hesitation and rough idling
  • Prevents electrical interference affecting engine sensors
  • Improves fuel efficiency by ensuring consistent spark

Installation Notes and Tips

When installing the URO spark plug wire set 12121720529, ensure that each wire is connected to the correct spark plug and ignition coil terminal to maintain proper firing order. Avoid stretching or bending the wires excessively to prevent damage. It is recommended to replace spark plug wires in sets to maintain balanced ignition performance across all cylinders.

Quality Assurance and Warranty

URO parts are manufactured to meet or exceed OEM specifications for fit and function. While specific warranty details for part number 12121720529 are not provided, URO typically offers coverage against defects in materials and workmanship. Using this spark plug wire set helps maintain the integrity of your BMW's ignition system with reliable performance.

This part fits 22 vehicles. Search below:

YearMakeModelBody TypePositionNotes
1993BMW325iConvertibleN/A
1992BMW325iConvertibleN/A
1991BMW325iN/A
1991BMW325isN/A
1991BMW325iXN/A
1990BMW325iN/A
1990BMW325isN/A
1990BMW325iXN/A
1990BMW525iN/A
1989BMW325iN/A
1989BMW325isN/A
1989BMW325iXN/A
1989BMW525iN/A
1988BMW325iN/A
1988BMW325isN/A
1988BMW325iXN/A
1988BMW528eN/A
1987BMW325eN/AProduction date: from 9/87
1987BMW325esN/AProduction date: from 9/87
1987BMW325iN/A
1987BMW325isN/A
1987BMW528eN/AProduction date: from 3/87

* 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:

12 12 1 720 52912121720529175-5918737 06027 501905 06007URO-010969

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