Why should I replace my head bolts when replacing a head gasket?

Many modern head bolts are Torque-To-Yield (T-T-Y) bolts, meaning they stretch to achieve precise clamping force. Reusing these bolts can lead to inaccurate clamping, potential leaks, and engine damage. Using new, properly spec'd bolts ensures the correct clamping force for a reliable seal.

What does 'application-specific design' mean for these bolts?

It means these bolts are engineered to match the exact specifications and dimensions required for the specific BMW engine they are intended for. This ensures they will fit correctly and function as the original equipment did.

Does this set include all the necessary head bolts for my engine?

This Fel-Pro ES72440 set contains the specific engine cylinder head bolts required for the listed BMW applications. Always refer to your vehicle's service manual to confirm the exact number of bolts needed for your specific repair.

Fel-Pro BMW 325i ES 72440 Engine Cylinder Head Bolt Set

Specifications

Brand: Fel-Pro
Part #: ES72440
UPC: 019826529435

Fel-Pro BMW 325i ES 72440 Engine Cylinder Head Bolt Set

Name: Fel-Pro BMW 325i ES 72440 Engine Cylinder Head Bolt Set
Brand: Fel-Pro
Price: 85.02 USD
Availability: InStock

$85.02

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Fel-Pro ES72440 Engine Cylinder Head Bolt Set. Avoids risks of reusing T-T-Y head bolts for a reliable seal.

Key Features

This product is a Fel-Pro ES72440 Engine Cylinder Head Bolt Set.
It is designed to avoid the risks associated with reusing Torque-To-Yield (T-T-Y) head bolts.
The bolts meet or exceed all original equipment specifications for a reliable seal.
This set features an application-specific design to ensure a perfect fit on compatible vehicles.
The fit, form, and function of these bolts have been validated for dependable performance.

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Will this fit your vehicle?

Product Details

When you're rebuilding the top end of your BMW, especially if you're dealing with a 1990s or early 2000s model like a 325i, 525i, or even an X5, it's crucial to replace the head bolts. This set from Fel-Pro gives you all the necessary bolts to properly secure the cylinder head to the engine block. These aren't just any bolts; they're designed to meet or exceed original equipment specifications, ensuring a perfect fit and reliable function for your specific BMW application.

Fel-Pro understands the challenges of engine repair, and their gaskets and sealing components are made with that in mind. For head bolts, a key consideration is avoiding the reuse of Torque-To-Yield (T-T-Y) bolts. These bolts stretch to achieve precise clamping force the first time they're installed, but reusing them can lead to inaccurate clamping, potential leaks, and engine damage. This Fel-Pro set ensures you're using fresh, properly spec'd bolts, giving you peace of mind that your engine will seal correctly and perform as it should.