BMW 525i Control Unit EGS
The OEM BMW 525i control unit ECU is otherwise known as an engine control module. It controls aspects within the engine to increase performance. The main job of the ECU is to monitor the air-fuel mixture, idle speed and ignition timing. When the genuine BMW 525i control unit ECU begins to fail, you may notice a significant decrease in engine speed and responsiveness.
Finding a replacement ECU isn't difficult when you shop by model. Order your BMW engine performance parts directly from the factory and you also get fast shipping. After a quick swap of the defective unit, you'll be back to enjoying the level of driving satisfaction you once did.
Lower Control Arm Lock Nut
BMW
33-32-1-091-707
Sedan. Station wagon.
$11.04
MSRP $12.49
Save $1.45
11.6% Off 
Ft Lower Control Arm Washer
BMW
31-10-6-779-382
525i, 528i, 530i. 540i. M5.
$16.72
MSRP $17.38
Save $0.66
3.8% Off 
Ft Lower Control Arm Bushing
BMW
31-12-6-765-992
525i, 530i, 545i. 545i, 550i, M5. 650i. With M6. Without awd, with M5. 645Ci.
$93.11
MSRP $116.42
Save $23.31
20% Off 
Rear Upper Control Arm Support
BMW
33-32-1-095-047
Station wagon.
$14.07
MSRP $16.39
Save $2.32
14.2% Off 
Ft Lower Control Arm Bushing
BMW
31-12-9-068-753
All models. 525i, 528i, 530i.
$105.12
MSRP $131.44
Save $26.32
20% Off 
Rear Lower Control Arm Bolt
BMW
31-30-6-779-823
525i, 528i, 530i.
$12.87
MSRP $14.14
Save $1.27
9% Off 
Lower Control Arm Snap Ring
BMW
33-32-1-091-687
Sedan. With M6. Station wagon. With m model.
$7.07
MSRP $8.50
Save $1.43
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