Cap Expansion Tank 1.4Bar (BMW 3 Series E36 / E46)

R311.20

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Replacement Cap Expansion Tank 1.4Bar designed for BMW 3 Series E36 and E46 models. Maintains correct pressure within the cooling system to prevent engine overheating.

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Cap Expansion Tank 1.4Bar (BMW 3 Series E36 / E46) — Brits Brothers™
Quality checked, courier-ready, and backed by real fitment help. We sell used parts and new parts — plus quality everyday goods — with real support and courier-ready handling.
Condition: NeutralSupport: WhatsApp fitment helpNationwide: Courier-ready
Benefits first — what you get
Less risk: Ask fitment questions before you pay
Faster sourcing: Trade Partner options when needed
Nationwide courier: Packed for safe travel

If you’re unsure about Cap Expansion Tank 1.4Bar (BMW 3 Series E36 / E46), don’t guess. Send a VIN + photos and we’ll help you confirm compatibility or suggest the best alternative.

Fitment & compatibility checklist
  • Compare photos closely: plugs, brackets, mounting holes, sensor ports.
  • Match part numbers when possible (especially electrical/ECU/ABS/aircon parts).
  • If unsure, WhatsApp your VIN and a photo of your old part — we’ll guide you.

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Brits Brothers™ is built on a growing network of trusted Trade Partners across South Africa — workshops, yards, rebuilders, and import channels. That means more availability, smarter alternatives, and faster sourcing when you need options.

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Courier & returns (clear + simple)

We ship across South Africa. Typical delivery is 1–3 business days for major metros and 2–5 for outlying areas. Tracking is sent when dispatched.

Returns on standard items are handled fairly — see Refund & Returns.

Used-Parts Notice: Used parts may show cosmetic marks consistent with prior use. We inspect/test where feasible and price accordingly. For showroom-perfect needs, consider new OEM via a dealer. Read Refund & Returns.
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Frequently Asked Questions

Confirm fitment before ordering
Quick answers before you order. If anything is unclear, confirm fitment first using your VIN or part number and avoid mistakes.
Helpful product answers
What is the purpose of the Cap Expansion Tank 1.4Bar for BMW 3 Series E36 / E46?
This cap is designed to maintain the correct pressure in the cooling system of BMW 3 Series E36 and E46 models. By regulating pressure at 1.4Bar, it helps prevent coolant loss and overheating, ensuring your engine runs efficiently and reliably.
Is the Cap Expansion Tank 1.4Bar compatible with all BMW 3 Series E36 and E46 models?
This cap is specifically made for BMW 3 Series E36 and E46 models, but compatibility can vary depending on the exact engine and cooling system configuration. To ensure a perfect fit, please provide your vehicle's VIN or detailed model information when ordering.
How do I know if I need to replace my expansion tank cap?
Signs that your expansion tank cap may need replacement include coolant leaks, engine overheating, or a drop in coolant system pressure. If your BMW is showing any of these symptoms, replacing the cap with a quality part like this 1.4Bar cap can restore proper system function.
Can I install the Cap Expansion Tank 1.4Bar myself?
Installation is generally straightforward and can be done by someone with basic mechanical skills. However, if you’re unsure, it’s best to consult a professional or a Trade Partner to ensure the cap is fitted correctly and your cooling system is properly sealed.
What should I do if I receive a faulty or incorrect cap?
If you encounter any issues with your purchase, Brits Brothers™ offers a clear refund and returns process. Visit our Refunds page for guidance on how to proceed and get support quickly.
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