Collection: E21 (1977 - 1983)
To determine which engine your E21 3-Series model has, please refer to the following:
| Model | Years | Engine |
| 320i | 1977 - 1983 | 1.8L M10 |
| 320/6 (320i 6 Cylinder) | 1977 - 1982 | 2.3L M20 |
| 323i | 1978 - 1983 | 2.3L M20 |
-
ARP Head Stud Kits, BMW Engines
Vendor:ARP Automotive Racing ProductsRegular price From $179.99 USDRegular priceUnit price / per$179.99 USDSale price From $179.99 USD -
BMW ARP Main Stud Kits
Vendor:ARP Automotive Racing ProductsRegular price From $119.99 USDRegular priceUnit price / per$119.99 USDSale price From $119.99 USD -
ARP Connecting Rod Bolt Sets, BMW Engines
Vendor:ARP Automotive Racing ProductsRegular price From $129.99 USDRegular priceUnit price / per$129.99 USDSale price From $129.99 USD -
Wagner Tuning Head Stud Kits, BMW Engines
Vendor:Wagner TuningRegular price From $399.99 USDRegular priceUnit price / per$399.99 USDSale price From $399.99 USD -
Genuine BMW Head Gasket, BMW S58
Vendor:BMWRegular price $284.99 USDRegular priceUnit price / perSale price $284.99 USD -
Cometic Multi-layer Steel Head Gasket, BMW M20
Vendor:CometicRegular price From $224.99 USDRegular priceUnit price / per$214.99 USDSale price From $224.99 USD -
Rally Road Oil Distribution Gauge Block
Vendor:Rally RoadRegular price $104.99 USDRegular priceUnit price / per$104.99 USDSale price $104.99 USD -
CAT Cams Camshaft, BMW M20
Vendor:CAT CamsRegular price $549.99 USDRegular priceUnit price / per$549.99 USDSale price $549.99 USD -
BMW M20 Forged Piston Set, 89.6 mm Stroke
Vendor:CP CarrilloRegular price $1,399.99 USDRegular priceUnit price / per$1,349.99 USDSale price $1,399.99 USD -
BMW M20 Connecting Rod Bolts by ARP
Vendor:ARP Automotive Racing ProductsRegular price $199.99 USDRegular priceUnit price / per$199.99 USDSale price $199.99 USD -
BMW M20 Valve Springs by SuperTech
Vendor:SuperTechRegular price $799.99 USDRegular priceUnit price / per$799.99 USDSale price $799.99 USD -
ARP Main Stud Kit, BMW M20
Vendor:ARP Automotive Racing ProductsRegular price $169.99 USDRegular priceUnit price / per$169.99 USDSale price $169.99 USD -
BMW M20 1000 Series Turbo Power Pack
Vendor:5150 AutoSportRegular price $1,999.98 USDRegular priceUnit price / perSale price $1,999.98 USD -
BMW M20B25 Piston Set by Arias
Vendor:Arias PistonsRegular price $999.99 USDRegular priceUnit price / per$1,199.99 USDSale price $999.99 USDSale -
BMW 5-Axis CNC Cylinder Head Porting
Vendor:5150 AutoSportRegular price From $999.99 USDRegular priceUnit price / perSale price From $999.99 USD -
5150 AutoSport Custom Engine Harness, BMW E36
Vendor:5150 AutoSportRegular price $4,000.00 USDRegular priceUnit price / per$2,000.00 USDSale price $4,000.00 USD
You may also be interested in...
-
Valvetrain Components
Upgrading your valvetrain components is essential when building a performance engine to...
-
Head Gaskets
Upgrading to a performance head gasket is a must for enthusiasts who want...
-
Cylinder Sleeves
Cylinder sleeves provide a durable, wear-resistant surface inside the engine block, restoring...
-
Connecting Rods
5150 AutoSport offers a wide range of connecting rods to suit every...
-
High Performance Rod Bearings
Upgrading rod bearings is a crucial step for high-performance BMW engines. The...
-
High Performance Main Bearings
5150 High Performance Coated Main Bearing Sets are made for the demands of...
-
BMW Stroker Kits by 5150 AutoSport
5150 BMW Stroker Kits are engineered to deliver maximum performance, strength, and...
-
Turbo Build Kits
The 5150 AutoSport Pro-Series Turbo Build Kits are pre-assembled kits containing an all-inclusive arsenal...
-
5150 Autosport Custom Engine Harnesses
Say goodbye to salvaged wiring harnesses and start anew with a comprehensive...






