These injectors offer a significant increase in flow over factory units while maintaining excellent idle quality and drivability through rigorous quality control
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Brand:
ES#:
5456586
Mfg#:
9-437-7071
Ships in 6 Business Days
ON SALE!
SAVE 10%
$899.00
This product was last offered at the strikethrough price on 07-02-2026
Whether you are running high-boost setups, or converting to alternative fuels, this premium X2 module delivers the reliable volume your engine demands.
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Brand:
ES#:
5456575
Mfg#:
9-000-7071
Ships in 6 Business Days
ON SALE!
SAVE 10%
$739.00
This product was last offered at the strikethrough price on 07-02-2026
These injectors offer a significant increase in flow over factory units while maintaining excellent idle quality and drivability through rigorous quality control
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Brand:
ES#:
5456588
Mfg#:
9-811-7071
Ships in 6 Business Days
ON SALE!
SAVE 10%
$1899.00
This product was last offered at the strikethrough price on 07-02-2026
Perfect starter pack for your road to a high horsepower N55!
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes! For 2009 - 2011 Vehicles (JB4 Harness A)
A step up from the Stage 1 kit, includes larger intercooler and intake kit.
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes! For 2009 - 2011 Vehicles (JB4 Harness A)
Perfect starter pack for your road to a high horsepower N55!
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes! For 2012 + Vehicles (JB4 Harness B)
The final step in bolt on performance for your N55
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes! For 2009 - 2011 Vehicles (JB4 Harness A)
Brand:
ES#:
3618847
Mfg#:
E9XN55PPKKT4
Ships in 7 Business Days
$2535.00
This product was last offered at the strikethrough price on 04-20-2026
A step up from the Stage 1 kit, includes larger intercooler and intake kit.
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes! For 2012 + Vehicles (JB4 Harness B)
The final step in bolt on performance for your N55
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes! For 2012 + Vehicles (JB4 Harness B)
Brand:
ES#:
3618849
Mfg#:
E9XN55PPKKT5
Ships in 7 Business Days
$2535.00
This product was last offered at the strikethrough price on 04-20-2026
Whether you're maintaining or repairing your stock engine or looking for added horsepower, we have one of the most comprehensive inventories of engine parts and accessories for German cars. From hard engine parts like connecting rods, pistons, cylinder heads, short blocks, and engine timing parts to performance engine software upgrades; we have you covered.
Lifetime Replacement
