THE SPORT SEDAN BENCHMARK
E30, E36, E46, E90, F30, G20 — every 3-Series generation defined its era.
BMW 3 Series HERITAGE
THE GERMAN SPORT SEDAN
MOTORMIA 3 Series builds range from restored E30 enthusiast cars to E46 track builds, modified F-series N54/N55/B58 turbo tuning, and G20 ECU-tune dailies. The platform has more chassis bracing, suspension, and engine-management options than any other in the German segment.
BMW 3 Series ON MOTORMIA
THE NUMBERS
CATEGORIES
Top product categories for the BMW 3 Series
BRANDS
Top brands for BMW 3 Series builds
READY TO BUILD YOUR BMW 3 SERIES?
Pick your year and trim to shop verified-fit BMW 3 Series parts.
Shop all BMW 3 Series parts →Verified Fitment
BMW 3 Series Category:engines and components Parts
779 parts available
Shop aftermarket parts for the BMW 3 Series. Verified fitment, free shipping, 30-day returns.

JE Pistons
BMW M20B25 11.5:1
JE Pistons
BMW M20B25 +6.2CC 1.366X3.3268
JE Pistons
WISECO BMW M20B25 2.5 LTR 12V 6 CYL
Carrillo
OLDS 350 FLAT TOP -1.44CC ALL 6 DEG OLDS 4.065 BORE 3.380 STROKE 6.000 ROD

NGK
ENGINE CAMSHAFT POSITION SENSOR

Carrillo
Component (SET OF 8 )

Gates
Gates 5/16in x 9/32in x 17 1/2in W/Quick Connector Protective Sleeve
King Engine Bearings
FOR AUDI ABS CDTA CKVC CEZA SPUT
Clevite
EVAPORATOR
Mahle
Piston With Rings BMW 3.0L S50 B30 O S 0.40MM

King Engine Bearings
FOR BMW M40 M42 M43 1.6L 1.8L

JE Pistons
BMW S52B32US 11.5KIT

Gates
Gates Timing Belt Tensioners Spring Type - Steel Smooth/Backside (49 mm x N/A x 32 mm) - Flanged
JE Pistons
BMW B58, -11.1CC, 10.5:1CR

Carrillo
BIG BLOCK CHEVY -2.9CC FLAT TOP 4.280 BORE 4.250 STROKE 6.385 ROD 8.4 TO 1 WITH 118CC HEAD

Carrillo
SMALL BLOCK CHEVY DOME 5CC ALL 23 HEADS 4.040 BORE 3.750 STROKE 6.000 ROD 12.2 TO 1 COMP WITH A 64CC HEAD
Carrillo
Sport Compact Rod Nissan Infiniti Datsun RB30 CC (in) (mm) 6.004 Style PRO-H Bolt Size 3 8 Pin Width (in)(mm) 1 25.4 Big Width (in)(mm) 0.9 22.86 Big Bore (in)(mm) 2.0866 53 Pin Bore 21mm (SET OF 6 )
Carrillo
Piston Toyota 5SFE Crank only 3SGTE Block 4 Cyl Bore (in) 3.406 Bore (mm) 86.5 Size 0.5mm Stroke 91 (SET OF 4 )

Gates
Gates No Pulley Attached

Carrillo
BIG BLOCK CHEVY -3.4CC FLAT TOP 4.560 BORE 4.250 STROKE 6.385 ROD 9.4 TO 1 WITH 118CC HEAD
Carrillo
BBCRE5330-060

Carrillo
BBCRE5330-STD

Mahle
Cylinder Head Gasket
JE Pistons
BMW M52B25 -5CC DISH 1.2874 X 3.326

JE Pistons
BMW N54B30 ULTRA SERIES
JE Pistons
BMW N54B30 3.0T 85MM 9.5:1 KIT

ARP
ARP BMW E30 M20 2.5L 6cyl Head Stud Kit

K&N Engineering
K&N Oil Filter for BMW / Land Rover / Volvo

Fel-Pro
Fel-Pro BMW X3 ES 73916 Engine Oil Filter Housing Seal Kit
Carrillo
Carrillo Custom Rods CALL FOR PRICING INFORMATION
Supertech
Supertech BMW N55 Forged 4340 H-Beam Conn Rod C-C Length 146.35mm - Set of 6

ISR Performance
ISR Performance LS Swap Mounts for BMW 3 Series E36

Wiseco
Wiseco BMW M50 B25 -13.5cc 84mm SINGLE PISTON

Gates
Gates 01-05 BMW 325I 6-Cyl. 2.5L Oil Separator Crankcase Vent Valves
Gates
Gates 07-10 BMW 335I 6-Cyl. 3.0L Vacuum Hose - Tee To Reservoir (Rear) Emission Control Hose

Gates
Gates 07-10 BMW 335I 6-Cyl. 3.0L Valve Cover To Intake Tube Emission Control Hose

Gates
Gates 01-05 BMW 325I 6-Cyl. 2.5L Engine Variable Valve Timing Solenoid
Gates
Gates 06-07 BMW 530XI 6-Cyl. 3.0L Oil Separator To Dipstick Emission Control Hose
Gates
Gates 01-05 BMW 325I 6-Cyl. 2.5L Tube To Intake Manifold Emission Control Hose

Gates
Gates 2006 BMW 325I 6-Cyl. 3.0L Oil Separator To Dipstick Emission Control Hose

Gates
Gates 07-13 BMW 328I 6-Cyl. 3.0L Valve Cover To Intake Emission Control Hose

Gates
Gates 2006 BMW 325I 6-Cyl. 3.0L Oil Separator To Intake Emission Control Hose

Gates
Gates 96-99 BMW 328I 6-Cyl. 2.8L Air Intake Boot To Idle Valve Emission Control Hose

Gates
Gates 18-24 BMW X3 4-Cyl. 2.0L Engine Variable Valve Timing Solenoid

Gates
Gates 12-16 BMW 328I 4-Cyl. 2.0L Engine Variable Valve Timing Solenoid

Gates
Gates 11-18 BMW X5 6-Cyl. 3.0L Valve Cover To Intake Tube Emission Control Hose

Gates
Gates 08-13 BMW M3 V-8 4.0L Exhaust Engine Variable Valve Timing Solenoid

Gates
Gates 07-13 BMW 328I 6-Cyl. 3.0L Air Pump To Valve Emission Control Hose

Gates
Gates 07-13 BMW 328I 6-Cyl. 3.0L Engine Variable Valve Timing Solenoid
Gates
Gates 07-13 BMW 328I 6-Cyl. 3.0L Exhaust Camshaft Engine Variable Valve Timing Sprocket

Gates
Gates 11-18 BMW X5 6-Cyl. 3.0L Turbo Oil Feed Line Turbocharger Oil Line
GSC Power Division
GSC P-D Toyota/BMW B58 Intake Titanium Retainer - Set of 12
GSC Power Division
GSC P-D BMW B58 Gen 1 S3 Camshafts 292/300 Billet (Use w/Turbo Upgrade & Ported Head)

GSC Power Division
GSC P-D BMW B58 Gen 1 S1 Camshafts 272/272 Billet (Use w/Turbo Upgrade)

Wiseco
Wiseco BMW M50B25 2.5L 24V Turbo 84.50MM Bore +0.50 Oversized 8.8:1 CR Piston - Single

Gates
Gates 87-93 BMW 325I 6-Cyl. 2.5L Cam. Belt Automotive Timing Belt

Chase Bays
Chase Bays BMW M50/M52/S50/S52 Oil Catch Can Kit

Brian Crower
Brian Crower BMW N54/M54B30 Stroker Kit - 93.6mm Stroke/ProH2K Connecting Rods/Custom Pistons

Gates
Gates 14-18 BMW X5 6-Cyl. 3.0L Diesel Tensioner Assy. Belt Drive Tensioner

Gates
Gates 12-16 BMW 328I 4-Cyl. 2.0L Tensioner Assy. Belt Drive Tensioner
FAQ
Frequently Asked Questions About the BMW 3 Series
What are the best aftermarket parts brands for the BMW 3 Series?
The top brands MOTORMIA owners trust for BMW 3 Series builds are PowerStop, EBC, Bilstein, H&R, and Magnaflow. The catalog carries 7,525 parts that fit the 3 Series. Use the fitment selector to filter to your specific year and trim, then browse by category or brand.
What's the best trim or sub-model of the BMW 3 Series to modify?
The most-modified 3 Series trims are M3 (E30 / E36 / E46 / E90 / F80 / G80) and 335i / 340i. These trims typically came with performance-focused suspension, brakes, and engine options that give a higher starting point. That said, the 3 Series's engine family (M3 S14/S50/S52/S54/S65/S55/S58, N54, N55, B58 turbo straight-six) shares aftermarket across most trims, so base-trim builds with the right bolt-ons can match higher trims on power.
What's the typical mod path for a BMW 3 Series?
For most BMW 3 Series builds, the recommended modification order is: intake → exhaust → ECU tune (especially N54/N55/B58) → suspension → brakes. This sequence stages upgrades so each mod supports the next — tuning unlocks gains from intake/exhaust, suspension keeps the added power planted. MOTORMIA member builds let you see exact part lists for BMW 3 Series builds at every power level.
How does the BMW 3 Series aftermarket compare to the Audi A4?
The BMW 3 Series is the rear-drive sport-sedan benchmark with the broadest M-platform aftermarket. On MOTORMIA, 7,525 parts fit the 3 Series across 12,000+ active member builds, with an average part MSRP of $873. The decision usually comes down to which platform you own — both have full bolt-on catalogs.
Will any BMW 3 Series part fit my year and trim?
Not always. The BMW 3 Series has had multiple generations and engine changes (e.g., M3 S14/S50/S52/S54/S65/S55/S58, N54, N55, B58 turbo straight-six), and parts are generation- and trim-specific. MOTORMIA's catalog uses verified fitment data — every product page shows exactly which years and submodels of the 3 Series a part fits. Use the fitment selector at the top of any page to pre-filter to your build.
Does MOTORMIA offer returns on BMW 3 Series parts?
Yes. Most BMW 3 Series parts on MOTORMIA are eligible for our 30-day return policy provided they're unused, uninstalled, and in original packaging. Special-order parts are flagged with a "Special Order" badge on the product page. Manufacturer warranties are processed through MOTORMIA on your behalf.
MOTORMIA APP
Build your BMW 3 Series with Mia
Personalized BMW 3 Series mod recommendations, verified fitment from real 3 Series owners, and a garage that tracks every part on your build.
- Mod recommendations tuned to your 3 Series year, trim, and submodel
- Verified fitment data from 12,000+ BMW 3 Series member builds
- Performance gain estimates based on real-world results
- Save your garage and track every part you've installed