MakeNumberNameAvailabilityWeight, kgProcessing, daysPrice 
MERCEDES
A1665000049 
EXPANSION TANK-M(W166)
16
0.789
2-3
130.46$
 

Substitutions

MERCEDES
A1120110208 
CAP,CRANK SEALING RR-SLK(R170)
23
0.269
2-3
41.91$
 
FEBI
101013 
EXPANSION TANK-M(W166)
94
0.481
4-5
49.37$
 
MAXPART
211500490019 
EXPANSION TANK-M(W166)
5
0.792
4-5
36.26$
 
SCHNIEDER
BZS3200062 
EXPANSION TANK W166 13-16
11
0.789
2-3
30.84$
 
BMW
17217529499 
HEAT EXCHANGER/E90-3 SRS
0
0.876
2-3
323.89$
Not Available
MAXPART
1665000049 
EXPANSION TANK-M(W166)
0
0.792
4-5
33.14$
Not Available

Essential Component for Optimal Engine Performance

The heat exchanger is a crucial component in your vehicle's cooling system, ensuring that your engine operates within a safe temperature range. Without it, your car is at risk of overheating, which can cause severe damage to the engine and lead to costly repairs.

How It Works

This part functions by allowing the coolant to transfer excess heat from the engine to the radiator, where it is dissipated into the atmosphere. This process is vital for maintaining the engine's thermal balance, especially during high-performance or extended driving sessions.

Consequences of a Malfunction

If the heat exchanger breaks, the engine's temperature can rise uncontrollably. This can lead to a blown head gasket, warped engine components, or in the worst case, complete engine failure. Early signs of failure include coolant leaks, fluctuating temperature readings, or steam emanating from under the hood. Immediate attention is necessary to prevent further damage.

Compatibility

  • 320D
  • 320I
  • 318I
  • 330D
  • 330Xd
  • 116I
  • 118I
  • 120D
  • 120I
  • 325D
  • 335D
  • 118D
  • 123D
  • 316I
  • 318D
  • 320Xd
  • 116I 1.6
  • 116I 2.0
  • X1 20D
  • X1 20Dx
  • X1 23Dx
  • X1 18D
  • X1 18Dx
  • X1 18I