MAHLE Expansion Tank

Compatible with BMW 7 (E65, E66, E67) , ALPINA B7 (E65) ,
This MAHLE expansion tank is designed to manage coolant system pressure and volume. It ensures optimal engine temperature and prevents leaks.
42.53 EUR
inc. VAT 21%
In stock 5
Delivery 1 day (31.03.2026)
PN CRT203000S
Make MAHLE
EAN 4057635116633

The MAHLE expansion tank, part code CRT 203 000S, plays a crucial role in your vehicle's cooling system. It serves as a reservoir for coolant, allowing for expansion and contraction due to temperature changes. This prevents excessive pressure buildup within the system, which could lead to leaks or component damage. Proper functioning of the expansion tank is vital for maintaining your engine's optimal operating temperature. By accommodating fluctuations in coolant volume, it ensures that the system remains full and efficient, preventing overheating. This MAHLE component is engineered for durability and reliable performance, contributing to the overall health and longevity of your engine. Regular inspection of your expansion tank for any signs of wear, cracks, or leaks is recommended. A compromised tank can lead to coolant loss and potential engine damage. Replacing it with a quality part like this MAHLE unit will help maintain the integrity of your cooling system.

  • High-quality construction for durability
  • Ensures proper coolant system pressure regulation
  • Prevents coolant loss and overheating
  • Direct fit for specific vehicle applications
  • Designed to withstand engine temperature fluctuations
  • Maintains optimal engine operating temperature
  • Reliable performance from MAHLE
Length [mm]
312,0
Width [mm]
223
Height [mm]
284,0
Material
Plastic
Color
black
Additional article/Additional information
with coolant level sensor
additional required items (article number)
CRB 22 000P
Additional article/Additional info 2
without cap
Net weight [g]
1020
Package height [cm]
22,00
Package width [cm]
23,50
Package length [cm]
32,5
  • BMW
    • 7 (E65, E66, E67)
      • 735 i, Li (200kW/272PS)
      • 745 i, Li (245kW/333PS)
      • 760 i, Li (327kW/445PS)
      • 730 i, Li (170kW/231PS)
      • 740 i, Li (225kW/306PS)
      • 750 i, Li (270kW/367PS)
      • 730 i, Li (190kW/258PS)
  • ALPINA
    • B7 (E65)
      • 4.4 (368kW/500PS)
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