Engine Parts

Your engine is made up of various parts and components that work together to generate power and keep your vehicle moving. Some of the key components of your engine include:

  • Pistons
  • Cylinders
  • Valves
  • Crankshaft
  • Camshaft
  • Timing belt or chain
  • Oil pump

How the Engine Works

When you turn the key in your ignition, the battery sends an electrical signal to the starter motor, which turns the engine over. Fuel and air are then mixed together in the engine's cylinders, and a spark ignites the mixture, causing a small explosion. This explosion pushes the pistons down, which turns the crankshaft and generates power.

As the engine runs, oil is circulated through the engine to lubricate and cool the moving parts. The timing belt or chain ensures that the valves and pistons move in sync, and the camshaft controls the timing and duration of the valves opening and closing.

Maintaining Your Engine

To keep your engine running smoothly, it's important to perform regular maintenance and replace worn or damaged parts as needed. Some of the most important engine maintenance tasks include:

  • Regular oil changes
  • Replacing the timing belt or chain at the recommended intervals
  • Checking and replacing the spark plugs
  • Replacing the air and fuel filters
  • Checking and maintaining proper fluid levels

Shop and Save on Genuine BMW Engine Parts

At BMW Parts World, we offer a wide selection of high-quality OEM engine parts and components for a variety of BMW models. Whether you need a new timing belt, spark plugs, or air filter, we have the parts you need. Please contact us with any additional questions.

13537708472 - : Reservoir Hose Clip for BMW Image

Reservoir Hose Clip

Rear camera. Auxiliary radiator, M235i, 16mm. Auxiliary radiator, m235 xdrive. Auxiliary Radiator Coolant Hose. All Required. Engine...
$4.35
MSRP $5.27
Save $0.92
17.5% Off
61355B8EDA5 - : Bcp 613023 for BMW Image

Bcp 613023

Optional. Fuse box. Engine compartment. Control module, body domain control. IX. From 03/2023. X6. 4.4l. X6. 3.0l. Power distribution...
$741.21
MSRP $870.99
Save $129.78
14.9% Off
17117600543 - : Upper Seal for BMW Image

Upper Seal

Without range extender. 2012-16. 2.0L diesel. 2015-16. 2014-16, main. With hybrid, main engine cooling. Sedan, without hybrid, without...
$28.50
MSRP $34.55
Save $6.05
17.5% Off
18307553595 - : Pre-Converter for BMW Image

Pre-Converter

135i. Engine code n54. Front. Without twin power, cylinders 4-6. 3 series. Without diesel. With 335is. 3.0L with bi turbo,...
$1,376.53
MSRP $1,813.61
Save $437.08
24.1% Off
61131372527 - : Fuse for BMW Image

Fuse

Control module box. 20 amp. Power distribution. 20 amp. Trunk. 20 amp. Coupe & convertible, 20 amp. Engine compartment, 20a....
$1.30
MSRP $1.63
Save $0.33
20.2% Off
13627566984 - : Mass Air Flow Sensor for BMW Image

Mass Air Flow Sensor

323 & 325i, ci, it. Without sulev. 2.5l & 3.0l, 2.5l. Z4. 2.5l. X3. 2.5l. 330i, ci. From 03/03. For Engine Management. From 09/02.
$577.75
MSRP $748.18
Save $170.43
22.8% Off
18328603874 - : Pre-Converter for BMW Image

Pre-Converter

3 series. Without diesel. Without 335is. Without awd. Coupe & convertible, 300 hp, rwd. 3.0L with turbo. 135i. Engine code n55. Front....
$1,376.53
MSRP $1,813.61
Save $437.08
24.1% Off
61131372524 - : Fuse for BMW Image

Fuse

Modules & fuses, 7.5 amp. Coupe & convertible, 7.5 amp. Trunk, 7.5 amp. Power distribution, 7.5 amp. Passenger compartment, 7.5 amp....
$1.01
MSRP $1.27
Save $0.26
20.5% Off
18407646693 - : Exhaust Manifold for BMW Image

Exhaust Manifold

N52n (ulev). From 03/09. 128i. Coupe. Engine code n52n. Sedan & wagon, 3.0L without turbo, rear. 3.0L without turbo, rear, n52. X3. 28i...
$1,238.85
MSRP $1,632.21
Save $393.36
24.1% Off
61131372525 - : Fuse for BMW Image

Fuse

Modules & fuses, 10 amp. Coupe & convertible, 10 amp. Trunk, 10 amp. Power distribution, 10 amp. Passenger compartment, 10 amp. Engine...
$1.01
MSRP $1.27
Save $0.26
20.5% Off
17117575253 - : Oil Cooler Assembly Bracket for BMW Image

Oil Cooler Assembly Bracket

4.4L turbo (n63t). 2.0L turbo, auxiliary. Auxiliary Radiator. Engine Cooling. 3.0L turbo diesel, auxiliary. 6.0L turbo. 4.4L turbo,...
$30.43
MSRP $36.88
Save $6.45
17.5% Off
17117575250 - : Oil Cooler Assembly Damper for BMW Image

Oil Cooler Assembly Damper

4.4L turbo (n63t). 2.0L turbo, auxiliary. Auxiliary Radiator. Engine Cooling. 3.0L turbo diesel, auxiliary. 6.0L turbo. 4.4L turbo,...
$7.01
MSRP $8.50
Save $1.49
17.5% Off

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