Improve your cars performance with this effective and simple upgrade kit!
10X Entries Into Our F80 M3 Sweepstakes For vehicles with production date up to 02/2003 with Valeo alternator
Brand:
ES#:
3980996
Mfg#:
3027882KTKT
Ships on Dec 9, 2026
ON SALE!
$1955.99
This product was last offered at the strikethrough price on 05-02-2026
Improve your cars performance with this effective and simple upgrade kit!
10X Entries Into Our F80 M3 Sweepstakes For vehicles with production date after 02/2003 with Valeo alternator
Brand:
ES#:
3980998
Mfg#:
3027882KKT1
Ships on Dec 9, 2026
ON SALE!
$1955.99
This product was last offered at the strikethrough price on 05-02-2026
Improve your cars performance with this effective and simple upgrade kit!
10X Entries Into Our F80 M3 Sweepstakes For vehicles with production date after 02/2003 with Bosch alternator
Brand:
ES#:
3980994
Mfg#:
2532708KTKT
Ships on Dec 9, 2026
ON SALE!
$1955.99
This product was last offered at the strikethrough price on 05-02-2026
Improve your cars performance with this effective and simple upgrade kit!
10X Entries Into Our F80 M3 Sweepstakes For vehicles with production date up to 02/2003 with Bosch alternator
Brand:
ES#:
3980993
Mfg#:
787406KKT
Ships on Dec 9, 2026
ON SALE!
$1955.99
This product was last offered at the strikethrough price on 05-02-2026
Universal cooler used for: engine oil, transmission oil, power-steering, differential oil, and as a water/coolant heat exchanger.
2X Entries Into Our F80 M3 Sweepstakes Universal fitment design - modifications may be necessary to run this cooler
Whether you're racing or upgrading your street car, this piston offers the perfect balance of strength and precision. Specs: 86.50 mm Bore – 1.220 in. CH, -9.40 CC
The Mishimoto Essentials Bundle is a comprehensive cooling solution designed to address the notorious "weak points" of the BMW E46 cooling system.
For vehicles with manual transmission
Upgrade your ride with the Valvetronic Designs universal valve muffler kit, a premium T304 stainless steel solution that delivers an aggressive, valved exhaust note at the click of a button
Brand:
ES#:
5457424
Mfg#:
UVM63MMDUALOUTX2
Ships in 1 Business Day
ON SALE!
SAVE 10%
$599.99
This product was last offered at the strikethrough price on 08-25-2026
Upgrade your ride with the Valvetronic Designs universal valve muffler kit, a premium T304 stainless steel solution that delivers an aggressive, valved exhaust note at the click of a button
Brand:
ES#:
5457435
Mfg#:
UVM.76MM.X1
Ships in 1 Business Day
ON SALE!
SAVE 10%
$399.99
This product was last offered at the strikethrough price on 08-25-2026
This features a shorter tube than a cold-air system for increased performance in an easy to install kit
CARB certified for sale in all 50 states For 1999-2000 model years without HID headlights
Boost your E46 330i to 320BHP with this Active Autowerke supercharger kit!
For model years 1999-2002 ~ Call in to provide vin before purchase For model years 1999-2002 ~ Call in to provide vin before purchase
525HP/335TQ - a complete power solution for your M3!
For SMG Transmissions Only ~ Call in to provide vin before purchase For SMG Transmissions Only ~ Call in to provide vin before purchase
Boost your E46 328i to 320BHP with this Active Autowerke supercharger kit!
For model years 1999-2002 ~ Call in to provide vin before purchase For model years 1999-2002 ~ Call in to provide vin before purchase
Our name says it all. That's why ECS Tuning is dedicated to providing our customers with the broadest possible assortment of engine tuning options at a range of prices and options to fit any budget. Start small and grow your car into something special with performance engine upgrades from a company that has tuning in its name and its blood.
Partial Replacement
