Febi Coolant Expansion Tank Cap – 1.4 Bar | Replaces BMW 17117639020 at affordable price in Nairobi

Ensure precise cooling system pressure control with the Febi Coolant Expansion Tank Cap (1.4 bar), a high-quality aftermarket solution engineered to match BMW’s stringent performance standards. Designed as a direct replacement for BMW OEM part number 17117639020, this Febi cap delivers reliable sealing, pressure stability, and long-term durability across a wide range of BMW models.

Key Features & Technical Advantages

1. Factory-Specified 1.4 Bar Pressure Rating

Maintains the correct cooling system pressure (1.4 bar / 20 psi), enhancing the coolant boiling point and preventing temperature spikes during demanding driving conditions.

2. Protects Cooling System Components

Prevents system over-pressurization that can cause cracking in expansion tanks, hose failures, or radiator damage.

3. Febi Quality Engineering

Produced under Febi Bilstein’s strict quality guidelines, offering reliable performance comparable to OEM parts.

4. High-Strength, Heat-Resistant Materials

Built to withstand continuous thermal cycling and chemical exposure from modern coolant formulas.

5. Leak-Resistant Precision Seal

Ensures stable pressure retention and eliminates coolant loss—critical for BMW’s high-efficiency engines.

6. Broad Compatibility Across BMW Models

Fits a wide range of BMW platforms, from 1 Series to X Series, including G-Series and M models.

7. Supports Engine Longevity

Stable operating temperatures reduce wear on gaskets, seals, and engine components.

8. Cost-Effective Replacement

Affordable yet robust quality alternative to the original BMW cap.

9. Quick, Direct-Fit Installation

Plug-and-play replacement—no special tools required.

Brand

Febi

Replaces OEM Part Number

• 17117639020 (BMW)

Vehicle Compatibility

1 Series

E81, E82, E87, E87 LCI, E88

F20, F20 LCI, F21, F21 LCI

2 Series

F22, F22 LCI, F23, F23 LCI

F87 M2, F87 M2 LCI

M2 CS Racing

3 Series

E90, E90 LCI, E91, E91 LCI, E92, E92 LCI, E93, E93 LCI

F30, F30 LCI, F31, F31 LCI, F34 GT, F34 GT LCI, F35, F35 LCI

G20, G21

4 Series

F32, F32 LCI, F33, F33 LCI, F36, F36 LCI

5 Series

F07 GT, F07 GT LCI, F10, F10 LCI, F11, F11 LCI, F18

G30, G31, G38

6 Series

F06 GC, F06 GC LCI, F12, F12 LCI, F13, F13 LCI

G32 GT

7 Series

F01, F01 LCI, F02, F02 LCI

G11, G11 LCI, G12, G12 LCI

8 Series

G14, G15, G16 Gran Coupé

X Series

X1 (E84)

X3 (F25, G01, G08), X3 M (F97)

X4 (F26, G02), X4 M (F98)

X5 (E70, E70 LCI, F15, G05)

X6 (E71, F16, G06)

X7 (G07)

Z Series

Z4 (E89)

I Series

i8 (I12, I12 LCI, I15)