Yes, I want to protect my order from loss or damage.
Collection: E21
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 |

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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 -
Rally Road Oil Distribution Gauge Block
Vendor:Rally RoadRegular price $104.99 USDRegular priceUnit price / per$104.99 USDSale price $104.99 USD -
Genuine BMW Head Gasket, BMW S58
Vendor:BMWRegular price $284.99 USDRegular priceUnit price / per -
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 -
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 -
5150 AutoSport Custom Engine Harness, BMW E36
Vendor:5150 AutoSportRegular price $2,000.00 USDRegular priceUnit price / per$2,000.00 USDSale price $2,000.00 USD -
5150 AutoSport Custom Engine Harness, BMW E30
Vendor:5150 AutoSportRegular price $2,000.00 USDRegular priceUnit price / per$2,000.00 USDSale price $2,000.00 USD -
BMW M20 B25 Forged Piston Set
Vendor:CP CarrilloRegular price $1,399.99 USDRegular priceUnit price / per$1,349.95 USDSale price $1,399.99 USD -
BMW M42 Fuel Rail
Vendor:Nuke PerformanceRegular price $209.99 USDRegular priceUnit price / per -
BMW M20 Fuel Rail
Vendor:Nuke PerformanceRegular price $389.99 USDRegular priceUnit price / per -
BMW M10 Fuel Rail
Vendor:Nuke PerformanceRegular price $209.99 USDRegular priceUnit price / per -
BMW M20 1000 Series Turbo Power Pack
Vendor:5150 AutoSportRegular price $1,799.99 USDRegular priceUnit price / per$1,999.98 USDSale price $1,799.99 USDSale -
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 M10 Valve Set
Vendor:Manley PerformanceRegular price From $349.99 USDRegular priceUnit price / per -
5150 AutoSport High Performance Main Bearing Set, BMW M10
Vendor:5150 AutoSportRegular price $224.99 USDRegular priceUnit price / per$249.99 USDSale price $224.99 USDSale -
BMW M20 Pro-Xtreme Valve Spring Kit
Vendor:5150 AutoSportRegular price $719.99 USDRegular priceUnit price / per$799.99 USDSale price $719.99 USDSale -
BMW M20 Forged Rod & Piston Kit
Vendor:5150 AutoSportRegular price From $2,159.99 USDRegular priceUnit price / per$2,399.98 USDSale price From $2,159.99 USDSale -
5150 AutoSport Turbo Camshaft, BMW M20
Vendor:5150 AutoSportRegular price $599.99 USDRegular priceUnit price / per$599.99 USDSale price $599.99 USD -
BMW M20 Valve Springs by SuperTech
Vendor:SuperTechRegular price $719.99 USDRegular priceUnit price / per$799.99 USDSale price $719.99 USDSale -
M20 Cylinder Head Service by 5150 AutoSport
Vendor:5150 AutoSportRegular price $5,999.99 USDRegular priceUnit price / per -
M20 5-Axis CNC Cylinder Head Porting by 5150 AutoSport
Vendor:5150 AutoSportRegular price $1,499.99 USDRegular priceUnit price / per -
M10 Cylinder Head Service by 5150 AutoSport
Vendor:5150 AutoSportRegular price $3,999.99 USDRegular priceUnit price / per -
M30 5-Axis CNC Cylinder Head Porting by 5150 AutoSport
Vendor:5150 AutoSportRegular price $1,499.99 USDRegular priceUnit price / per -
BMW CNC Combustion Chamber Upgrade Service
Vendor:5150 AutoSportRegular price From $399.99 USDRegular priceUnit price / per -
BMW 5-Axis CNC Cylinder Head Porting
Vendor:5150 AutoSportRegular price From $999.99 USDRegular priceUnit price / per -
CP Forged Piston Set, BMW M10
Vendor:CP CarrilloRegular price $899.99 USDRegular priceUnit price / per$899.99 USDSale price $899.99 USD -
5150 AutoSport High Performance Main Bearing Set, BMW M20
Vendor:5150 AutoSportRegular price $269.99 USDRegular priceUnit price / per$299.99 USDSale price $269.99 USDSale -
5150 AutoSport Factory+ Rebuild Kit, BMW M20
Vendor:5150 AutoSportRegular price $3,399.99 USDRegular priceUnit price / per$3,399.99 USDSale price $3,399.99 USD

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