Collection: Engine Upgrades For BMW 3 Series IV (E46)
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DeatschWerks 600cc Top Feed Injectors | BMW E46 M52 (98-00) (17MX-00-0600-6)
Vendor:DeatschWerksRegular price $582.59 USDRegular priceUnit price / per$619.00 USDSale price $582.59 USDSale -
King Engine Bearings Performance Rod Bearing Set | BMW M40/M42/M43/M44 (CR4042XP)
Vendor:King Engine BearingsRegular price $79.06 USDRegular priceUnit price / per$134.40 USDSale price $79.06 USDSale -
Radium Fuel Pump Hanger | BMW E46 (90-06) / E36 / Z3 / Z4 (20-1180)
Vendor:Radium EngineeringRegular price $452.91 USDRegular priceUnit price / per$549.95 USDSale price $452.91 USDSale -
King Engine Bearings Performance Rod Bearing Set | BMW M20/M50 2.0L/2.5L/2.7L (CR6640XP)
Vendor:King Engine BearingsRegular price $100.06 USDRegular priceUnit price / per$170.10 USDSale price $100.06 USDSale -

King Engine Bearings Performance Main Bearing Set | BMW M20/M50 2.0L/2.5L/2.7L (MB7039XPSTDX)
Vendor:King Engine BearingsRegular price $131.62 USDRegular priceUnit price / per$223.75 USDSale price $131.62 USDSale -
Turbosmart EM Dual Port VR9 BOV | BMW N55 3.0L (E90/E92/F30) (TS-0223-1092)
Vendor:TurbosmartRegular price $268.40 USDRegular priceUnit price / per$350.99 USDSale price $268.40 USDSale -
King Engine Bearings Main Bearing Set | BMW M20B20-23-25-27/M50B25/M52B20-25-28 (MB798AM)
Vendor:King Engine BearingsRegular price $94.59 USDRegular priceUnit price / per$160.80 USDSale price $94.59 USDSale -
CSF High Performance Stepped Core Intercooler | BMW 335i/xi (04-13) N54 (8127B)
Vendor:CSFRegular price $435.65 USDRegular priceUnit price / per$529.00 USDSale price $435.65 USDSale -

CSF High Performance Stepped Core Bar/Plate Intercooler | BMW 335i/xi (E90/E91/E92/E93) (8127)
Vendor:CSFRegular price $435.65 USDRegular priceUnit price / per$529.00 USDSale price $435.65 USDSale -
King 1.6L/1.8L/1.9L Connecting Rod Bearings | - Size +.026mm (CR4042XP.026)
Vendor:King Engine BearingsRegular price $79.06 USDRegular priceUnit price / per$134.40 USDSale price $79.06 USDSale -
DeatschWerks 98-00 BMW E46 M52 850cc Top Feed Injectors
Vendor:DeatschWerksRegular price $619.00 USDRegular priceUnit price / per$619.00 USDSale price $619.00 USD -
Mishimoto Ignition Coil | BMW 550i (11-15) (MMIG-BMW-11)
Vendor:MishimotoRegular price $39.48 USDRegular priceUnit price / per$46.00 USDSale price $39.48 USDSale -
DeatschWerks 01-05 Porsche 911/996 H6 Bosch EV14 1200cc Injectors (Set of 6)
Vendor:DeatschWerksRegular price $819.00 USDRegular priceUnit price / per$819.00 USDSale price $819.00 USD -
DeatschWerks 98-00 BMW E46 M52 600cc Top Feed Injectors (Set of 6)
Vendor:DeatschWerksRegular price $619.00 USDRegular priceUnit price / per$619.00 USDSale price $619.00 USD -
Deatschwerks Set of 6 Bosch EV14 1250cc Injectors for BMW E46 3.2L M54/S54 01-06
Vendor:DeatschWerksRegular price $819.00 USDRegular priceUnit price / per$819.00 USDSale price $819.00 USD -
DeatschWerks 01-05 Porsche 911/996 H6 Turbo 750cc Injectors
Vendor:DeatschWerksRegular price $639.00 USDRegular priceUnit price / per$639.00 USDSale price $639.00 USD -
DeatschWerks 01-05 Porsche 911/996 H6 Turbo 1000cc Injectors
Vendor:DeatschWerksRegular price $639.00 USDRegular priceUnit price / per$639.00 USDSale price $639.00 USD -
aFe Pro GUARD D2 Oil Filter (4 Pack) | BMW Gas Cars L6 (96-06) (44-LF022-MB)
Vendor:aFeRegular price $54.00 USDRegular priceUnit price / per$54.00 USDSale price $54.00 USD -
Injen Throttle Controller | BMW 5 Series / M3 / M5 / 3 Series / Z3 / 6 Series / X3 / M6 / 4 Series / 2 Series / i3s (01-18, 2008-2024)
Vendor:InjenRegular price $189.37 USDRegular priceUnit price / per$243.75 USDSale price $189.37 USDSale -
Mishimoto N54 Charge Pipe | BMW 3 Series (E46), 5 Series (E60/E61), 1 Series (E87/E81/E82/E88), 3 Series (E90/E91/E92/E93), 1 Series (E82/E88) (MMICP-N54-07)
Vendor:MishimotoRegular price $235.25 USDRegular priceUnit price / per$275.00 USDSale price $235.25 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.














