BMW E31 850Ci 5.4 Fuel pump (326 hp Petrol M73 B54 (54121))

Which fuel pump is best for the BMW 8 (E31) 850 Ci 326 hp?

The best fuel pumps for the BMW E31 850Ci M73 B54 (54121) are sold by the following original brands:

• RIDEX
• RMS
• VDO
• STARK
• HELLA

How much does a fuel pump cost for the BMW 8 (E31) 850 Ci Petrol?

In the UK, the price of a fuel pump for the BMW 8 (E31) 850Ci 5.4 can be anywhere between £ 9 and £ 209.

What problems do fuel pump faults cause in the BMW E31 850Ci 5.4 326 hp Petrol?

Symptoms of a faulty fuel pump in the BMW E31 850 Ci : low pressure in the pump leading to engine starting problems, reduced power, engine stuttering, and increased fuel consumption, as well as fault codes, which trigger the engine warning light.

Where is the fuel pump located in the BMW 8 (E31) 850 Ci Petrol M73 B54 (54121)?

The low-pressure fuel pump for the BMW E31 850 Ci 326 hp is often located in the tank, while the high-pressure pump is located directly at the engine, near the fuel rail and injectors. The fuel pump relay in a BMW E31 850Ci 5.4 326 hp / 240 kW is located in the fuse box under the dashboard on the driver's side.

Which fuel pump is suitable for the BMW 8 (E31) 850 Ci 326 hp Petrol M73 B54 (54121)?