MiMi Auto Parts
CAP EXPANSION TANK 1.4BAR, Moca

CAP EXPANSION TANK 1.4BAR

Brand: Moca

SKU: 400043

Category: COOLING, PRESSURE CAP

R119,60 incl. 15% VAT

✓ In stock, ships nationwide via The Courier Guy

Add to Cart

Fitment: Fits selected BMW models. Confirm exact fitment before ordering.

Product Description

Maintain the correct pressure in your BMW's cooling system with the Moca CAP EXPANSION TANK 1.4BAR, designed specifically for BMW models. This cooling pressure cap plays a crucial role by regulating the pressure within the expansion tank, helping to prevent overheating and coolant loss during daily driving. The cap features a 1.4 bar pressure rating, ensuring your cooling system operates within safe parameters.

This cap is compatible with BMW vehicles, but please confirm your model, year, engine size, and engine code to ensure it fits your specific car. Using the correct pressure cap is essential for the efficient operation of your BMW's cooling system and for protecting critical engine components.

Common symptoms of a failing expansion tank cap include coolant leaks around the cap, visible cracks or damage, overheating, low coolant warnings, or pressure loss in the cooling system. If you notice steam escaping from the tank or the cap is difficult to tighten or remove, it may be time for a replacement.

Replace your cooling pressure cap if you experience any of these symptoms or during routine cooling system maintenance. A faulty cap can lead to overheating, coolant loss, and potential engine damage, so timely replacement is important.

Order your Moca CAP EXPANSION TANK 1.4BAR from MiMi Auto Parts for reliable delivery anywhere in South Africa. Our team recommends always double-checking compatibility before purchase, and we are here to help with any queries about fitment or installation.

Common signs this part may need replacement

  • Coolant leaks around the expansion tank cap
  • Overheating engine
  • Low coolant warning light on dashboard
  • Steam or hissing sounds from the expansion tank
  • Difficulty tightening or removing the cap
  • Visible cracks or damage to the cap
  • Loss of coolant pressure
  • Coolant smell in the engine bay

Typical replacement guidance

Replace the expansion tank pressure cap if you notice coolant leaks, overheating, or signs of pressure loss. It is also wise to replace the cap during routine cooling system servicing to maintain optimal pressure and prevent engine issues.

Why timely replacement matters

Timely replacement of the cooling pressure cap helps prevent overheating and coolant loss, protecting your engine from severe damage. A properly functioning cap ensures the cooling system maintains the correct pressure for safe and efficient operation.

Vehicle Compatibility

This part is confirmed to fit the following vehicles:

  • BMW 3 (E30) 1982 – 1992 318 i (M40 B18 (184E1)) – 83 kW / 113 HP
  • BMW 3 (E30) 1982 – 1992 318 i (M40 B18 (184E1)) – 85 kW / 115 HP
  • BMW 3 (E30) 1982 – 1992 320 i (M20 B20 (206EB)) – 92 kW / 125 HP
  • BMW 3 (E30) 1982 – 1992 320 i (M20 B20 (206KA)) – 95 kW / 129 HP
  • BMW 3 (E30) 1982 – 1992 325 i (M20 B25 (256E1)|M20 B25 (256E2)) – 126 kW / 171 HP
  • BMW 3 (E30) 1982 – 1992 325 i (M20 B25 (256E1)|M20 B25 (256E2)|M20 B25 (256EX)|M20 B25 (256K1)) – 125 kW / 170 HP
  • BMW 3 (E30) 1982 – 1992 325 i X (M20 B25 (256E1)|M20 B25 (256E2)|M20 B25 (256EX)|M20 B25 (256K1)) – 125 kW / 170 HP
  • BMW 3 (E30) 1982 – 1992 325 i X (M20 B25 (256E1)|M20 B25 (256E2)|M20 B25 (256EX)|M20 B25 (256K1)) – 126 kW / 171 HP
  • BMW 3 (E36) 1990 – 1998 316 i (M40 B16 (164E1)) – 73 kW / 100 HP
  • BMW 3 (E36) 1990 – 1998 318 i (M40 B18 (184E1)) – 83 kW / 113 HP
  • BMW 3 (E36) 1990 – 1998 318 tds (M41 D17 (174T1)) – 66 kW / 90 HP
  • BMW 3 (E36) 1990 – 1998 325 td (M51 D25 (256T1)) – 85 kW / 115 HP
  • BMW 3 (E36) 1990 – 1998 325 tds (M51 D25 (256T1)) – 105 kW / 143 HP
  • BMW 3 (E46) 1997 – 2005 320 d (M47 D20 (204D1)) – 100 kW / 136 HP
  • BMW 3 (E46) 1997 – 2005 320 d (M47 D20 (204D4)) – 110 kW / 150 HP
  • BMW 3 (E46) 1997 – 2005 330 d (M57 D30 (306D1)) – 135 kW / 184 HP
  • BMW 3 (E46) 1997 – 2005 330 d (M57 D30 (306D2)) – 150 kW / 204 HP
  • BMW 3 Compact (E36) 1994 – 2000 318 tds (M41 D17 (174T1)) – 66 kW / 90 HP
  • BMW 3 Convertible (E30) 1982 – 1993 318 i (M40 B18 (184E1)) – 83 kW / 113 HP
  • BMW 3 Convertible (E30) 1982 – 1993 320 i (M20 B20 (206KA)) – 95 kW / 129 HP
  • BMW 3 Convertible (E30) 1982 – 1993 325 i (M20 B25 (256E1)|M20 B25 (256E2)) – 126 kW / 171 HP
  • BMW 3 Convertible (E30) 1982 – 1993 325 i (M20 B25 (256E2)|M20 B25 (256EX)|M20 B25 (256K1)) – 125 kW / 170 HP
  • BMW 3 Touring (E30) 1987 – 1994 316 i (M40 B16 (164E1)) – 73 kW / 100 HP
  • BMW 3 Touring (E30) 1987 – 1994 318 i (M40 B18 (184E1)) – 83 kW / 113 HP
  • BMW 3 Touring (E30) 1987 – 1994 318 i (M40 B18 (184E1)) – 85 kW / 115 HP
  • BMW 3 Touring (E30) 1987 – 1994 320 i (M20 B20 (206KA)) – 95 kW / 129 HP
  • BMW 3 Touring (E30) 1987 – 1994 325 i (M20 B25 (256K1)) – 125 kW / 170 HP
  • BMW 3 Touring (E30) 1987 – 1994 325 i X (M20 B25 (256K1)) – 125 kW / 170 HP
  • BMW 3 Touring (E36) 1995 – 1999 318 tds (M41 D17 (174T1)) – 66 kW / 90 HP
  • BMW 3 Touring (E36) 1995 – 1999 325 tds (M51 D25 (256T1)) – 105 kW / 143 HP
  • BMW 3 Touring (E46) 1999 – 2005 320 d (M47 D20 (204D1)) – 100 kW / 136 HP
  • BMW 3 Touring (E46) 1999 – 2005 320 d (M47 D20 (204D4)) – 110 kW / 150 HP
  • BMW 3 Touring (E46) 1999 – 2005 330 d (M57 D30 (306D1)) – 135 kW / 184 HP
  • BMW 3 Touring (E46) 1999 – 2005 330 d (M57 D30 (306D2)) – 150 kW / 204 HP
  • BMW 5 (E34) 1987 – 1995 518 i (M40 B18 (184E1)) – 83 kW / 113 HP
  • BMW 5 (E34) 1987 – 1995 520 i (M20 B20 (206KA)) – 95 kW / 129 HP
  • BMW 5 (E34) 1987 – 1995 525 i (M20 B25 (256K1)) – 125 kW / 170 HP
  • BMW 5 (E39) 1995 – 2003 525 d (M57 D25 (256D1)) – 120 kW / 163 HP
  • BMW 5 (E39) 1995 – 2003 530 d (M57 D30 (306D1)) – 142 kW / 193 HP
  • BMW 5 (E60) 2001 – 2010 520 d (N47 D20 A|N47 D20 C) – 130 kW / 177 HP
  • BMW 5 (E60) 2001 – 2010 530 d (M57 D30 (306D2)) – 160 kW / 218 HP
  • BMW 5 (E60) 2001 – 2010 530 d (M57 D30 (306D2)|M57 D30 (306D3)) – 155 kW / 211 HP
  • BMW 5 (E60) 2001 – 2010 530 d (M57 D30 (306D3)) – 173 kW / 235 HP
  • BMW 5 Touring (E39) 1996 – 2004 530 d (M57 D30 (306D1)) – 142 kW / 193 HP
  • BMW 5 Touring (E61) 2004 – 2010 520 d (N47 D20 A|N47 D20 C) – 130 kW / 177 HP
  • BMW 5 Touring (E61) 2004 – 2010 530 d (M57 D30 (306D2)) – 160 kW / 218 HP
  • BMW 5 Touring (E61) 2004 – 2010 530 d (M57 D30 (306D3)) – 173 kW / 235 HP
  • BMW 7 (E65, E66, E67) 2001 – 2009 730 d (M57 D30 (306D2)) – 160 kW / 218 HP
  • BMW 7 (E65, E66, E67) 2001 – 2009 730 d (M57 D30 (306D2)|M57 D30 (306D3)) – 155 kW / 211 HP
  • BMW X3 (E83) 2003 – 2011 2.0 d (M47 D20 (204D4)) – 110 kW / 150 HP

Fitment support

Not sure if this part fits your vehicle? Contact MiMi Auto Parts with your vehicle make, model, year, and engine code before ordering and we will help confirm fitment.

Installation note

Cooling system work involves draining and refilling coolant and may require specialised tools. Professional installation is recommended to ensure correct coolant mixture, bleeding of air from the system, and leak-free connections.

Frequently Asked Questions

What are the signs of a failing water pump?

Common signs may include coolant leaks near the front of the engine, engine overheating, a whining or grinding noise from the water pump area, or coolant loss without visible external leaks. Diagnosis should be confirmed before replacement.

Can I drive with a coolant leak?

Driving with a coolant leak is not recommended. Loss of coolant can lead to engine overheating and potentially serious engine damage. The vehicle should be inspected and the leak repaired before further driving.

Does this part fit my vehicle?

Please check the vehicle compatibility section on this page and confirm your vehicle make, model, year, engine size, and engine code before ordering. If you are unsure, contact MiMi Auto Parts before checkout.

Is the price VAT-inclusive?

Yes, product prices on MiMi Auto Parts are shown inclusive of VAT where applicable.

Do you deliver across South Africa?

Yes, MiMi Auto Parts delivers nationwide in South Africa. Delivery cost and estimated timing are calculated during checkout based on your location.

Is professional installation recommended?

Professional installation is recommended for safety-critical and technical parts such as airbag, clock spring, brakes, suspension, steering, clutch, cooling, engine, and electrical components. For guidance specific to this part, see the installation note on this page.

Related Parts