OEM BMW Engine Components Online

11377628306 - : Engine Rocker Arm for BMW Image

Engine Rocker Arm

$73.47
MSRP $99.58
Save $26.11
26.2% Off
12517528597 - : Engine Wiring Harness for BMW Image

Engine Wiring Harness

Fuse box, engine.
$417.81
MSRP $517.54
Save $99.73
19.3% Off
11377628304 - : Engine Rocker Arm for BMW Image

Engine Rocker Arm

$73.47
MSRP $99.58
Save $26.11
26.2% Off
11377853652 - : Engine Rocker Arm for BMW Image

Engine Rocker Arm

M4. 1. M2. 1. Intermediate Arm. Grade 1.
Backordered
41007481011 - : Engine Support Reinforcement for BMW Image

Engine Support Reinforcement

$120.91
MSRP $165.27
Save $44.36
26.8% Off
12515A58C92 - : Engine Wiring Harness for BMW Image

Engine Wiring Harness

3.0L turbo. #2 without hybrid.
Backordered
11417577656 - : Engine Timing Chain for BMW Image

Engine Timing Chain

Oil Pump.
$49.83
MSRP $51.10
Save $1.27
2.5% Off
11538654392 - : Engine Coolant Hose for BMW Image

Engine Coolant Hose

Turbocharger Cooling. Auxiliary Water Pump. Outlet. 6.6L, front.
Backordered
11137843146 - : Engine Oil Pan for BMW Image

Engine Oil Pan

4.4L turbo (s63t). With M6. M5.
$504.50
MSRP $653.33
Save $148.83
22.8% Off
11257840940 - : Engine Piston Ring for BMW Image

Engine Piston Ring

Set. M3. (0). M6. M5. Standard.
$276.30
MSRP $327.99
Save $51.69
15.8% Off
51489423289 - : Engine Compartment Insulation for BMW Image

Engine Compartment Insulation

Dash panel, lower 740i, 740i xDrive.
Backordered

No results found for "Engine". Here are some helpful search tips:

  • Search by a part name. Example: water pump.
  • Be less specific. Example: brake instead of ceramic brake.
  • Remove information such as make, year or model.
  • Can't find the part you are looking for? Contact us and we'll find it for you!


Understanding BMW Engine Components and Their Role

Every BMW 3 Series and BMW X5 relies on a finely tuned set of engine components to deliver confident power and precise control. Each drive feels smooth because every piece, from the pistons to the valves, works in perfect rhythm. These parts define BMW’s engineering excellence and keep performance consistent over time. At BMW Auto Parts Online, we take pride in helping owners maintain that quality by providing genuine BMW replacements that meet exact factory specifications.

How BMW Engine Components Work

Engine components form the backbone of your BMW’s performance system. Parts such as the camshaft, crankshaft, and connecting rods collaborate to turn fuel and air into usable motion. This coordination is what keeps acceleration sharp and power delivery reliable. Genuine BMW components ensure these functions remain precise, while aftermarket parts often introduce inconsistencies that can reduce performance and fuel efficiency.

Why Engine Components Break Down

Continuous heat, vibration, and friction gradually wear down even the strongest materials. When maintenance intervals are skipped or lower-grade parts are installed, these stresses multiply. Small gaps or improper fits in non-genuine parts can cause premature wear and imbalance. Replacing damaged or aging components with genuine BMW parts, along with a properly matched spark plug, keeps the engine clean, efficient, and responsive under all driving conditions.

When Replacement Becomes Necessary

Common signs of worn engine components include rattling noises, rough idling, and poor fuel economy. These symptoms indicate internal wear that requires prompt attention. Most drivers notice these issues after extended mileage or heavy use. At BMW Auto Parts Online, we recommend timely replacement using authentic BMW components to preserve the performance and reliability your vehicle was designed to deliver.