Collection: Engine Upgrades For BMW 3 Series IV (E46)
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Cometic MLS Head Gasket | BMW 5 Series (72-81) / 6 Series (76-90) / 3 Series (81-05) (C4477-098)
Vendor:Cometic GasketRegular price $203.22 USDRegular priceUnit price / per$239.91 USDSale price $203.22 USDSale -

Turbosmart Kompact EM Plumb Back VR9 Diverter Valve | BMW N55 3.0L (E90/E92/F30) (TS-0223-1292)
Vendor:TurbosmartRegular price $237.05 USDRegular priceUnit price / per$309.99 USDSale price $237.05 USDSale -
Cometic BMW M50B25/M52B28 Engine 85mm .098 inch MLS Head Gasket 323/325/525/328/528
Vendor:Cometic GasketRegular price $262.49 USDRegular priceUnit price / per$291.66 USDSale price $262.49 USDSale -
Cometic BMW M50B25 / M52B28 85mm Bore .067in MLX Head Gasket
Vendor:Cometic GasketRegular price $241.37 USDRegular priceUnit price / per$268.18 USDSale price $241.37 USDSale -
Cometic BMW M50B25/M52B28 Engine 85mm .140 inch MLS Head Gasket 323/325/525/328/528
Vendor:Cometic GasketRegular price $277.52 USDRegular priceUnit price / per$308.34 USDSale price $277.52 USDSale -
Cometic BMW M50B25/M52B28 Engine 85mm .120 inch MLS Head Gasket 323/325/525/328/528
Vendor:Cometic GasketRegular price $277.52 USDRegular priceUnit price / per$308.34 USDSale price $277.52 USDSale -
Cometic BMW M50B25/M52B28 Engine 85mm .051 inch MLS Head Gasket 323/325/525/328/528
Vendor:Cometic GasketRegular price $229.26 USDRegular priceUnit price / per$254.72 USDSale price $229.26 USDSale -
Cometic BMW M50B25/M52B28 Engine 85mm .070 inch MLS Head Gasket 323/325/525/328/528
Vendor:Cometic GasketRegular price $245.31 USDRegular priceUnit price / per$272.56 USDSale price $245.31 USDSale -
Radium Fuel Hanger Plumbing Kit | BMW E36/E46
Vendor:Radium EngineeringRegular price $452.91 USDRegular priceUnit price / per$549.95 USDSale price $452.91 USDSale -
Cometic MLS 85mm Bore .080 inch Head Gasket | BMW 318/Z3 (89-98) (C4348-080)
Vendor:Cometic GasketRegular price $186.45 USDRegular priceUnit price / per$220.11 USDSale price $186.45 USDSale -
King Engine Bearings Performance Rod Bearing Set | BMW M20/M50 2.0L/2.5L/2.7L (CR6640XPSTDX)
Vendor:King Engine BearingsRegular price $123.86 USDRegular priceUnit price / per$210.55 USDSale price $123.86 USDSale -
King Engine Bearings Main Bearing Set | BMW M20/M50 (Size STD) (MB7039XP)
Vendor:King Engine BearingsRegular price $131.62 USDRegular priceUnit price / per$223.75 USDSale price $131.62 USDSale -
Radium Engineering BMW E36 Fuel Pump Hanger
Vendor:Radium EngineeringRegular price $522.45 USDRegular priceUnit price / per$549.95 USDSale price $522.45 USDSale -
Radium Fuel Hanger Plumbing Kit | BMW E36/E46 (76-05) / 3 Series / Z3 / Z4 (20-1175-05)
Vendor:Radium EngineeringRegular price $436.44 USDRegular priceUnit price / per$529.95 USDSale price $436.44 USDSale -
King Engine Bearings Performance Rod Bearing Set | BMW M20 / M50 (0.5) (CR6640XP0.5)
Vendor:King Engine BearingsRegular price $123.86 USDRegular priceUnit price / per$210.55 USDSale price $123.86 USDSale -
ARP Main Stud Kits | Multiple BMW Fitments (201-5000)
Vendor:ARPRegular price $154.13 USDRegular priceUnit price / per$169.05 USDSale price $154.13 USDSale -
LIQUI MOLY 1L Top Tec MTF 5100 75W (20352)
Vendor:LIQUI MOLYRegular price $45.54 USDRegular priceUnit price / per$95.94 USDSale price $45.54 USDSale -
DeatschWerks 1100cc Fuel Injectors | BMW E46 M52 (98-00) (17MX-00-1100-6)
Vendor:DeatschWerksRegular price $582.59 USDRegular priceUnit price / per$619.00 USDSale price $582.59 USDSale -
DeatschWerks 550cc Fuel Injectors | BMW M3 / Mercedes-Benz C32 AMG (88-95 / 00-04)
Vendor:DeatschWerksRegular price $460.24 USDRegular priceUnit price / per$489.00 USDSale price $460.24 USDSale -
DeatschWerks 850cc Top Feed Injectors | BMW E46 M52 (98-00) (17MX-00-0850-6)
Vendor:DeatschWerksRegular price $582.59 USDRegular priceUnit price / per$619.00 USDSale price $582.59 USDSale
Engine Upgrades for BMW 3 Series IV (E46) to Boost Power and Reliability
Unlock the full potential of your BMW 3 Series IV (E46) with engine upgrades designed specifically for this iconic platform. Whether you're targeting increased horsepower, sharper throttle response, or enhanced engine durability, our collection offers tailored aftermarket parts to meet your performance goals.
What Are the Key Engine Upgrades for the BMW E46?
Upgrading your E46’s engine involves selecting components that improve airflow, cooling, and engine management. Popular upgrades include performance air intakes, exhaust systems, and cooling enhancements that help maintain optimal operating temperatures under spirited driving conditions.
- High-flow performance intakes to increase air volume and improve throttle response
- Aftermarket exhaust components designed for better flow and sound
- Cooling upgrades like upgraded radiators and oil coolers for reliability
- Engine tuning modules and management systems for precise power delivery
How to Choose the Right Engine Upgrade Components for Your E46
Selecting the right parts depends on your driving style and build goals. For street-driven E46s, bolt-on intakes and exhausts paired with mild tuning offer noticeable improvements without sacrificing reliability. For more aggressive builds, consider supporting hardware like upgraded mounts and cooling systems to handle increased power and stress.
Supporting Modifications and Tips for Installing E46 Engine Upgrades
To maximize the benefits of your engine upgrades, consider complementary modifications such as upgraded engine mounts for reduced drivetrain movement and enhanced throttle response. Proper installation and tuning are essential to ensure seamless integration and optimal performance. Shop our curated selection of engine upgrades for your BMW 3 Series IV (E46) at WheelFlip to find parts built for fitment confidence and lasting results.















