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.

11318482267 - : Engine Timing Chain Tensioner for BMW Image

Engine Timing Chain Tensioner

Z4.
$34.91
MSRP $43.64
Save $8.73
20% Off
11311726503 - : Engine Timing Chain Guide for BMW Image

Engine Timing Chain Guide

325i, 525, M3. Lower.
$85.50
11531265059 - : Engine Coolant Thermostat Housing for BMW Image

Engine Coolant Thermostat Housing

1988-91, 325. 525i, 1989-90. 325 series. 325ic. 1987 325i. Convert old style, 1988-92 325i.
$30.61
MSRP $36.01
Save $5.40
15% Off
11417835157 - : Engine Timing Chain Tensioner for BMW Image

Engine Timing Chain Tensioner

To 11/05. Oil Pump. Arm.
$33.94
11317797898 - : Engine Timing Chain Tensioner for BMW Image

Engine Timing Chain Tensioner

535d, 535dxi. Upper. 328d. X5. Idler to Cam. X3. 540d xDrive. Long (tensioner arm). 740ldxi.
$33.26
MSRP $41.58
Save $8.32
20% Off
11121743294 - : Engine Oil Filler Cap for BMW Image

Engine Oil Filler Cap

318i, is, ic, ti. 2.5 & 3.0L. 2.5l & 3.0l. 1.9L. 2.5 & 2.8L 1999-03. Optional. 2.8L 1997-98. From 04/1990.
$30.38
MSRP $39.19
Save $8.81
22.5% Off
11312249626 - : Engine Timing Chain Tensioner for BMW Image

Engine Timing Chain Tensioner

Arm. Fuel Injection Pump to Cam.
$29.91
MSRP $37.39
Save $7.48
20% Off
12148489450 - : Engine Control Module (ECM) for BMW Image

Engine Control Module (ECM)

Optional. 3.0L, without m model, 2017-25. 440i, 440i xDrive. 440i, 440ix. From 07/17 to 03/18. M240i xDrive.
$1,884.40
MSRP $2,409.72
Save $525.32
21.8% Off
11127806196 - : Engine Coolant Outlet Flange for BMW Image

Engine Coolant Outlet Flange

With 335d.
$29.76
MSRP $36.08
Save $6.32
17.5% Off
11538671514 - : Engine Coolant Thermostat Kit for BMW Image

Engine Coolant Thermostat Kit

3.0L, main. 3.0L turbo. ActiveHybrid 7. Incl.Housing and Thermostat. 7 series. 740i. 640i xDrive.
$133.42
MSRP $194.95
Save $61.53
31.6% Off
12148692971 - : Engine Control Module (ECM) for BMW Image

Engine Control Module (ECM)

2.0L, 2017-21. 3 series gt. 330xi. 3.0L, without active hybrid. 330i. 430i, 430i xDrive. To 11/17. 430i, 430ix. 230i, 230i xDrive....
$1,884.40
MSRP $2,409.72
Save $525.32
21.8% Off
11618583174 - : Engine Intake Manifold Bolt for BMW Image

Engine Intake Manifold Bolt

With M4. 3.0L turbo.
$7.30
MSRP $9.13
Save $1.83
20% Off

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