Free additional power to your M3’s rear wheels without sacrificing or compromising your BMW’s reliability.
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms For vehicles with a production date from 05/2008+ & a counterclockwise rotating Power Steering Pump
...or at least as "Bulletproof" as your E9X N55 will ever be! Includes a crank bolt capture kit, crank seal plate, oil filter housing gaskets, and all of the components required to perform this upgrade service. Featuring Kevlar reinforced belt!
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Brand:
ES#:
4642986
Mfg#:
ECSEN55BPKRKT
In Stock
ON SALE!
$586.00
This product was last offered at the strikethrough price on 03-10-2026
Possibly the best horsepower-per-dollar available anywhere. No downsides, no compromises!
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes! For vehicles with Bosch alternator
Brand:
ES#:
3027881
Mfg#:
PPK-E46-M54
Ships in 1-2 days
ON SALE!
SAVE 15%
$369.99
This product was last offered at the strikethrough price on 05-02-2026
...or at least as "Bulletproof" as your F3X N55 will ever be! Includes a crank bolt capture kit, crank seal plate, oil filter housing gaskets, and all of the components required to perform this upgrade service.
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Brand:
ES#:
4365386
Mfg#:
ECSF30N55BPKT
Ships in 5 Business Days
ON SALE!
$515.99
This product was last offered at the strikethrough price on 01-03-2026
...or at least as "Bulletproof" as your F3X N55 will ever be! Includes a crank bolt capture kit, crank seal plate, oil filter housing gaskets, and all of the components required to perform this upgrade service.
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes! Includes 5w-40 oil which is a slighty higher viscosity than recommended by BMW - great for performance ap
Brand:
ES#:
4660307
Mfg#:
ECSF30N55BP540KT
Ships in 5 Business Days
ON SALE!
$513.99
This product was last offered at the strikethrough price on 01-03-2026
Possibly the best horsepower-per-dollar available anywhere. No downsides, no compromises!
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes! Gains of up to 10hp on a stock M3!
Brand:
ES#:
3191638
Mfg#:
PPK-S54
Ships in 1 Business Day
ON SALE!
SAVE 20%
$409.99
This product was last offered at the strikethrough price on 05-02-2026
Includes Accessory Belt System!
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Brand:
ES#:
3509738
Mfg#:
UPPK-S54KT
Ships in 5 Business Days
ON SALE!
SAVE 15%
$814.99
This product was last offered at the strikethrough price on 05-02-2026
...or at least as "Bulletproof" as your N54 will ever be! Includes a crank bolt capture kit, crank seal plate, oil filter housing gaskets, and all of the components required to perform this upgrade service. Featuring Kevlar reinforced belt!
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Brand:
ES#:
4642990
Mfg#:
ECSN54BPKRKT
In Stock
ON SALE!
$574.99
This product was last offered at the strikethrough price on 05-02-2026
Possibly the best horsepower-per-dollar available anywhere. No downsides, no compromises!
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes! For vehicles with Valeo alternator
Brand:
ES#:
3027882
Mfg#:
TMS301180
Ships in 1-2 days
ON SALE!
SAVE 15%
$364.99
This product was last offered at the strikethrough price on 05-02-2026
Possibly the best horsepower-per-dollar available anywhere. No downsides, no compromises!
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes! Adds up to 18 to 22 HP and 17 to 21 Ft/lbs torque on a stock M5 or M6!
Possibly the best horsepower-per-dollar available anywhere. No downsides, no compromises!
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes! For vehicles with Bosch alternator only
Brand:
ES#:
3148226
Mfg#:
PPKE36KT
Ships in 1-2 days
ON SALE!
SAVE 15%
$374.99
This product was last offered at the strikethrough price on 05-02-2026
Possibly the best horsepower-per-dollar available anywhere. No downsides, no compromises!
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes! Adds up to 10-14hp and 7-9ft/lbs torque on a stock M3 For vehicles with a production date from 05/2008+ & a counterclockwise rotating Power Steering Pump
Brand:
ES#:
3251754
Mfg#:
PPK-S65-LKT
Ships on Nov 6, 2026
ON SALE!
SAVE 25%
$535.99
This product was last offered at the strikethrough price on 05-02-2026
Includes accessory drive belt system overhaul kit
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Possibly the best horsepower-per-dollar available anywhere. No downsides, no compromises!
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes! For vehicles with Valeo alternator only
Brand:
ES#:
3219164
Mfg#:
PPKE36KT2
Ships in 1-2 days
ON SALE!
SAVE 15%
$374.99
This product was last offered at the strikethrough price on 05-02-2026
...or at least as "Bulletproof" as your N54 will ever be! Includes a crank bolt capture kit, crank seal plate, oil filter housing gaskets, and all of the components required to perform this upgrade service.
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Lifetime Replacement
