BMW M40 M42 M43 S42 Valve Guide Kit 7mm Bronze FCP 1.6 1.8 Cylinder Head Guides

BMW Valve Guide Kit 7mm – M40 / M42 / M43 / S42

High-quality valve guide kit designed for BMW 4-cylinder engines including M40, M42, M43, and S42 USA. Manufactured from durable bronze material, these guides ensure precise valve control, improved wear resistance, and long-lasting cylinder head performance.

Ideal for engine rebuilds, maintenance, or performance upgrades, this kit provides reliable operation under both standard and demanding conditions.

Why Upgrade Valve Guides?

Worn valve guides can cause oil consumption, poor sealing, and reduced engine efficiency. Replacing them with high-quality bronze guides restores proper valve alignment and ensures smooth engine operation.

Perfect for:

Engine rebuilds

Cylinder head refurbishment

Performance upgrades

Daily and track use

Key Features:

Precision-machined bronze construction

Excellent wear resistance and durability

Improves valve alignment and sealing

Suitable for OEM replacement or performance use

Designed for long service life

Fitment:

BMW 3 Series E30 / E36 – 1.6 / 1.8

Engine Compatibility

BMW M40 – 1.6 / 1.8

BMW M42 – 1.8

BMW M43 – 1.6 / 1.8

BMW S42 USA

Technical Specifications:

Material Bronze

Outer Diameter 12.55 mm

Inner Diameter 7.00 mm

Length 43.5 mm

For valve stem size 7mm

What is Included: Complete valve guide set

This BMW valve guide kit is a reliable and cost-effective solution for restoring cylinder head performance, ensuring precise valve operation and long engine life across a wide range of BMW 4-cylinder engines.