BMW External Engine Parts for BMW 3 Series E46 (1999-2005)

Clear BMW chassis
Looking for parts under the hood of your BMW? This section is for parts and accessories mounted to, and around, the engine. 'External' engine components covers parts and systems up to and after the cylinder head. Examples include crankcase vent valves, secondary air systems, idle control valves, oil filler caps, valve cover trim, and more. For parts within the engine and cylinder head see our 'Internal Engine Components' section.

Billet Aluminum Oil Filter Housing Cap - M52 M54
ECS - Corporate Logo
T#:363055
Part#: 002605ECS01A
In Stock
Sale - Save 10% $92.95
$83.66
Free Shipping
Sale - Save 10% $92.95
$83.66
Free Shipping
Turner Motorsport M50 Manifold Fuel Rail Cover
Turner Motorsport - Corporate Logo
T#:303995
Part#: TEN3680FRC
In Stock
Sale - Save 5% $119.95
$113.95
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Sale - Save 5% $119.95
$113.95
Free Shipping
M50 Throttle Body to M54 E46 325 Intake Manifold - Adapter Plate
Turner Motorsport - Corporate Logo
T#:421
Part#: TEN9990850
In Stock
Sale - Save 15% $64.95
$55.21
Free Shipping on orders $99 and up
Sale - Save 15% $64.95
$55.21
Free Shipping on orders $99 and up

Turner Plug-and-Play IAT Relocation Kit
Turner Motorsport - Corporate Logo
T#:391751
Part#: 014579TMS
In Stock
Sale - Save 11% $114.95
Starting at $102.20
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Sale - Save 11% $114.95
Starting at $102.20
Free Shipping

Coolest $10 Part Ever (fan stud nut for engine fan delete)
Genuine BMW - Corporate Logo
T#:3459
Part#: 11511310640
In Stock
18% off MSRP $12.40
$10.19
Free Shipping on orders $99 and up
18% off MSRP $12.40
$10.19
Free Shipping on orders $99 and up

N15 Design Secondary Air Pump Block Off Plate - with Gasket
N15 Design - Corporate Logo
T#:400575
Part#: SAPBOPG
In Stock
$29.49
$29.49
OEM Bosch Idle Control Valve - M50, M52, M52TU, M54
Bosch - Corporate Logo
T#:14287
Part#: 13411744713
In Stock
$170.64
Free Shipping
$170.64
Free Shipping

Constant Pressure Valve for E46 M3, MZ3 (S54), and Z4 M
Genuine BMW - Corporate Logo
T#:2027
Part#: 11111318185
In Stock
15% off MSRP $54.44
$46.35
Free Shipping on orders $99 and up
15% off MSRP $54.44
$46.35
Free Shipping on orders $99 and up

M54 Billet Aluminum Dipstick
ECS - Corporate Logo
T#:388213
Part#: 009424ECS01
In Stock
Sale - Save 15% $61.95
Starting at $52.66
Free Shipping on orders $99 and up
Sale - Save 15% $61.95
Starting at $52.66
Free Shipping on orders $99 and up
Oil Filler Cap with M logo - E36 M3 96-99 E46 M3 MZ3
Genuine BMW - Corporate Logo
T#:2073
Part#: 11121405452
In Stock
11% off MSRP $17.63
$15.69
Free Shipping on orders $99 and up
11% off MSRP $17.63
$15.69
Free Shipping on orders $99 and up
Oil Gauge Adapter Block - E30 E34 E36 E46 Z3 Z4
Rally Road - Corporate Logo
T#:401464
Part#: B058
In Stock
$69.95
Free Shipping
$69.95
Free Shipping


Secondary Air Valve - E46 323i 325i 328i 330i
Pierburg - Corporate Logo
T#:362091
Part#: 11727553063
In Stock
$80.44
$80.44


BMW Billet Oil Cap - N54, N55, S54, S55
Vargas Turbo Technologies - Corporate Logo
T#:557941
Part#: VTT-OILCAP-1-BRC
In Stock
Starting at $49.00
Starting at $49.00
Crankcase Breather Hose - E46 M3 05-06, Z4M - S54
Genuine BMW - Corporate Logo
T#:12628
Part#: 11157834056
In Stock
11% off MSRP $162.66
$145.17
Free Shipping
11% off MSRP $162.66
$145.17
Free Shipping

Idle Control Valve - M50, M52, M52TU, M54
Bosch - Corporate Logo
T#:338006
Part#: 13411744713
In Stock
Starting at $170.64
Free Shipping
Starting at $170.64
Free Shipping
OEM LuK Power Steering Pump -- E46 M54
LUK - Corporate Logo
T#:369236
Part#: 32416760034
In Stock
$249.00
Free Shipping
$249.00
Free Shipping

Secondary Air Pump - E46 E53 E60 E63 E83
Pierburg - Corporate Logo
T#:362211
Part#: 11727571589
In Stock
$359.95
Free Shipping
$359.95
Free Shipping

Genuine BMW Cylinder Head Valve Cover - 11121432928 - E39 E46 E53 Z3 M52 M54
Genuine BMW - Corporate Logo
T#:6590
Part#: 11121432928
In Stock
14% off MSRP $485.21
$417.85
Free Shipping
14% off MSRP $485.21
$417.85
Free Shipping
Genuine BMW Oil Filter Housing Cover - E36 E46 E39 E60 X3 X5 Z3 Z4
Genuine BMW - Corporate Logo
T#:6841
Part#: 11421744000
In Stock
16% off MSRP $45.65
$38.38
Free Shipping on orders $99 and up
16% off MSRP $45.65
$38.38
Free Shipping on orders $99 and up
Crankcase Breather Hose - E46 M3 01-04 Z3M - S54
Genuine BMW - Corporate Logo
T#:12911
Part#: 11157831311
In Stock
13% off MSRP $48.06
$41.66
Free Shipping on orders $99 and up
13% off MSRP $48.06
$41.66
Free Shipping on orders $99 and up


Oil Dipstick Guide Tube - E46 325xi 330xi 2001-2005
Genuine BMW - Corporate Logo
T#:2892
Part#: 11437565438
In Stock
11% off MSRP $152.47
$135.38
Free Shipping
11% off MSRP $152.47