BMW Mini - Lighting up of the engine warning light | HELLA

Mini

BMW Mini: R50/ R52/ R53

All models with the W10 / W11 engine code

Model year: 2002–2006

Air locks in the cooling system.

Lighting up of the engine warning light.

If the coolant temperature gauge fluctuates and/or the engine warning light comes on in the above-mentioned vehicles, a possible cause could be the presence of air locks in the cooling system or in the coolant circulation system. In such cases it is also possible that the P0128 fault code is stored.

The P0128 fault code refers to the following malfunction: coolant thermostat, coolant temperature below the thermostat regulating temperature.

We recommend using a radiator vacuum filling device to get rid of the source of the problem and/or to optimise the ventilation of the coolant circulation system.

For example:

- 8PE 185103-271 Hella Nussbaum Solutions

- (See Figure 1 + 2)

Please note:

After completion of repair work, the radiator vacuum filling device checks the cooling system to make sure it is airtight and then refills it, also ensuring that it is free of air bubbles. A radiator adapter with coupling nipple (See accessories) is also required to connect the radiator vacuum filling device to the expansion tank.

Figure 1

Figure 2


 

Important safety note Technical information and practical tips have been compiled by HELLA in order to provide professional support to vehicle workshops in their day-to-day work. The information provided on this website is intended for use by suitably qualified personnel only. Reprinting, distribution, reproduction, exploitation in any form or disclosure of the contents of this document, even in part, is prohibited without our express, written approval and indication of the source. The schematic illustrations, pictures and descriptions serve only for the purposes of explanation and representation of the instructions and cannot be used as a basis for installation or assembly work. All rights reserved.

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