E30 Combo Tank (Expansion tank / Catch can)

BMW E30 Catch Can & Expansion Tank Combo – All-Aluminum, Space-Saving Design

Declutter your BMW E30’s engine bay and upgrade performance with our all-aluminum catch can and expansion tank combo. Designed for street, drift, and track builds, this dual-function setup frees up valuable space while delivering improved cooling efficiency and crankcase ventilation.

Unlike bulky factory setups, this combo integrates the coolant expansion tank and oil catch can into one compact, precision-built unit—perfect for clean engine bay layouts and high-performance applications.

Built for Performance & Longevity
Crafted from lightweight TIG welded aluminum, this package is corrosion-resistant, heat-resistant, and built to handle the demands of spirited driving and motorsport abuse. Every unit is CAD-designed for an exact fit in the E30 chassis, with mounting points that keep installation simple and secure.

Key Features:

• Fitment: BMW E30 chassis (all years and trims)

• Material: 100% aluminum – lightweight, corrosion-resistant, and durable

• Design: Integrated catch can and coolant expansion tank in a single unit

• Welding: Fully TIG welded for strength and a clean, professional finish

• Benefits:

  • Maximizes engine bay space

  • Reduces clutter for a cleaner, more professional appearance

  • Improves crankcase ventilation and prevents oil blow-by

  • Enhances coolant system reliability

• Finish: Bare aluminum or optional powder coating

• Installation: Direct-fit mounting – no major modifications required

Why Upgrade?

• Declutter your engine bay – perfect for show cars, clean builds, and race-prep

• Reduce heat soak with a high-quality aluminum coolant system component

• Maintain engine health by trapping harmful oil vapors before they reach your intake

• Save weight compared to OEM plastic tanks and separate catch can setups

Whether you’re chasing a minimalist show car look, preparing for competitive drifting, or building a track weapon, this BMW E30 all-aluminum catch can + expansion tank combo is the perfect way to combine performance, reliability, and style.

Order yours today and take your E30’s engine bay from cluttered to competition-ready.