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 heating and cooling Parts
393 parts available
Shop aftermarket parts for the BMW 3 Series. Verified fitment, free shipping, 30-day returns.

CSF
CSF BMW 2 Series (F22/F23) / BMW 3 Series (F30/F31/F34) / BMW 4 Series (F32/F33/F36) M/T Radiator

aFe
aFe Bladerunner Intercooler Tube Cold Side 14-16 BMW 328d (F30/31) L4-2.0L (td) N47

ROADPWR/WEB
BOOSTER CABLES

MOTORAD
THERMOSTAT

MOTORAD
WATER OUTLET

MOTORAD
THERMOSTAT

MOTORAD
THERMOSTAT

DAYCO HYDRAULIC
CURVED RADIATOR HOSE

DAYCO HYDRAULIC
HOSE

DAYCO HYDRAULIC
MOLDED HTR HOSE
MOTORAD
GASKET BOX OF 10

DAYCO HYDRAULIC
CURVED RADIATOR HOSE

DAYCO HYDRAULIC
CURVED RADIATOR HOSE

MOTORAD
THERMOSTAT

DAYCO HYDRAULIC
CURVED RADIATOR HOSE

MOTORAD
RADIATOR CAP

FOUR SEASONS
COOLANT TUBE

BARKER
CAM

FOUR SEASONS
COOLANT FLANGE

FOUR SEASONS
EXPANSION VALVE

FOUR SEASONS
SENSOR

FOUR SEASONS
EXPANSION VALVE

FOUR SEASONS
SWITCH
FOUR SEASONS
ALUMINUM FILTER DRIER W/ PAD MOUNT

STANDARD IGN
TEMP SENDER
FOUR SEASONS
AC SYSTEM SEAL KIT
BREEZE
ABA ORIGINAL - W4 304 STA

FOUR SEASONS
PULLEY

FOUR SEASONS
AC SYSTEM SEAL KIT

FOUR SEASONS
FILTER DRIER
FOUR SEASONS
AC SYSTEM SEAL KIT
FOUR SEASONS
SEAL KIT

FOUR SEASONS
TEMPERATURE UNIT

FOUR SEASONS
HOSE ASSY /SUCTION

FOUR SEASONS
DESICCANT BAG KIT

FOUR SEASONS
ENGINE COOLANT FLANGE

FOUR SEASONS
EXPANSION VALVE

FOUR SEASONS
BLOCK TYPE EXPANSION VALVE W/O SOLE
FOUR SEASONS
HOSE ASSY /SUCTION

FOUR SEASONS
EXPANSION VALVE

FOUR SEASONS
EXPANSION VALVE

FOUR SEASONS
EXPANSION VALVE

FOUR SEASONS
EXPANSION VALVE

FOUR SEASONS
SWITCH

FOUR SEASONS
RELAY

FOUR SEASONS
EXPANSION VALVE
Dana
THERMOSTAT GASKET

Megan Racing
Megan BMW E36 E46 E90 -10AN Oil Cooler Adapter MSRP $35 10lbs 4x3x3

Dorman
THERMOSTAT HOUSING

Clevite
THERMAL PRODUCTS
Clevite
BMW 1796CC 1.8L DOHC 16V 19911995 THERMOSTAT HOUSING GASKET
Clevite
BMW 2.5L 2.8L 3.2L DOHC 19912000 THERMOSTAT HOUSING GASKET
Mahle
~(0.1 lbs. 10X8X0)~ BMW:524TD w/2443cc2693cc(82-93)2494cc(87-91) Linc:149(2.4L)TurboDiesel(8

Mahle
Engine Oil Cooler Gasket Set
Clevite
BMW CID / 2996CC (3.0L) DOHC 24V L6 BMW WATER INLET TO CYLINDER BLOCK
Clevite
ENGINE COOLANT THERMOSTAT GASKET SE
Clevite
THERMAL PRODUCTS

Mahle
Radiator Cap

Clevite
FILTER-DRIER AND ACCUMULATOR
Mahle
BMW 1796CC 1.8L DOHC 16V 1991-1995
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