ELRING 270.190 Nuts And Bolts

Overview

The ELRING 270.190 Nuts And Bolts is a precision-engineered cylinder head bolt set designed specifically for BMW engines. Crafted from high‑strength alloy steel and subjected to rigorous quality control, this kit delivers reliable performance in demanding automotive applications.

Technical Specifications

• Part Number: 270.190
• Thread Type: Torx (internal)
• Material: High‑strength alloy steel with anti‑seize coating
• Dimensions: Standard bolt length and pitch for BMW cylinder heads
• Package Contents: 10 bolts per set, each matching the required torque specification

Compatibility

This bolt kit is engineered to fit a wide range of BMW models, including:

• 3 Series (E90, E91, E92, E93)
• 5 Series (E60, E61, E63, E64, E65, E66)
• Z4, X1, X3, X5
• Engine families: N52, N53, N51, 3.0L variants
• Specific engine codes such as 11127548799, 11127537973, and others listed in the product catalogue

Key Features

• Exact Torque Matching: Each bolt is calibrated to the OEM torque sequence, ensuring uniform clamping pressure across the cylinder head.
• Durable Construction: Alloy steel composition resists fatigue and corrosion under high temperature and pressure conditions.
• Anti‑Seize Finish: Reduces friction during installation and prevents galling between mating surfaces.
• Consistent Thread Profile: Torx internal design provides secure engagement, minimizing the risk of cross‑threading.

Installation Guide

1. Preparation: Clean all bolt heads and cylinder head mounting surfaces. Inspect for damage or wear.
2. Torque Sequence: Follow the manufacturer’s torque table, typically progressing from 10 Nm to 30 Nm in a star pattern.
3. Tooling: Use a calibrated Torx driver and torque wrench. Verify tool integrity before use.
4. Final Check: After the last bolt is tightened, re‑torque each bolt after 24 hours to account for settling.

Maintenance Tips

• Store bolts in a dry environment to prevent oxidation.
• Avoid using excessive force during removal; use penetrating oil if resistance occurs.
• Inspect bolts periodically for signs of wear or deformation, especially after high‑performance engine usage.

Quality Assurance

Each ELRING 270.190 bolt undergoes:

• Dimensional Inspection: Ensures thread pitch and length meet OEM tolerances.
• Hardness Testing: Confirms material strength aligns with specifications.
• Surface Finish Verification: Checks anti‑seize coating integrity.

Conclusion

The ELRING 270.190 Nuts And Bolts set offers a dependable, OEM‑grade solution for BMW cylinder head assembly. Its precise engineering, robust materials, and comprehensive compatibility make it an essential component for both routine maintenance and high‑performance applications.