Unlock the true power potential of your early-production N55 engine.
For Vehicles Produced Before 12/2013
Brand:
Dorch Engineering
ES#:
5482537
Mfg#:
DE-55-15B
$1149.00 USD
Free Shipping
on orders $49 and up
16% flow increase over stock!
Brand:
ES#:
3612837
Mfg#:
46-20249-B
ON SALE!
$338.00
This product was last offered at the strikethrough price on
$312.65 USD
Free Shipping
on orders $49 and up
Lifetime Replacement
Brand:
ES#:
3148909
Mfg#:
3085510PDKR0CLGQ
$189.99 USD
Free Shipping
Lifetime Replacement
Stage 3 upgrade kit for Stage 2 Bucketless LPFP, includes components.
Brand:
ES#:
4899220
Mfg#:
BMSS3BLPFPN5455
$399.99 USD
Free Shipping
on orders $49 and up
Lifetime Replacement
Enhanced cooling, more power, direct-fit BMW intercooler upgrade for performance.
07'-13' Model years
Brand:
ES#:
4883828
Mfg#:
BMS-INTCLR-N5455
$329.00 USD
Free Shipping
on orders $49 and up
Lifetime Replacement
Plug-and-play kit adapts B58 coils onto N55 for stronger spark.
Brand:
ES#:
5504876
Mfg#:
BMSN55CUAK-R
Fueling support up to 1000+ WHP!
Brand:
ES#:
4758753
Mfg#:
BMW-EPI-950
$1188.00 USD
Free Shipping
The Mishimoto BMW 550i Ignition Coil is a high-quality replacement designed to restore the factory performance and fuel efficiency of your 4.4L V8 engine.
Brand:
ES#:
5435298
Mfg#:
MMIG-BMW-1108
$274.99 USD
Free Shipping
on orders $49 and up
Regain power loss & fuel economy from worn or failed ignition coils!
Brand:
ES#:
4940209
Mfg#:
M137KT
$228.00 USD
Free Shipping
on orders $49 and up
Regain power loss & fuel economy from worn or failed ignition coils!
Brand:
ES#:
4940236
Mfg#:
M133KT1
$288.00 USD
Free Shipping
on orders $49 and up
This full kit is one of the easiest ways to get all six nozzles exactly where you need them for a true direct port installation.
Brand:
ES#:
4043196
Mfg#:
SN0-2169-BRD
$1503.99 USD
Lifetime Replacement
Designed for track use while still streetable. Rated for 450ft/lbs
For Vehicles with production date from 2007
Brand:
ES#:
3432358
Mfg#:
K7052602HDOCE
$948.99 USD
Free Shipping
on orders $49 and up
Lifetime Replacement
Stage 4 X-Series clutch kit
For Vehicles with production date from 2007
Brand:
ES#:
4660625
Mfg#:
K70526-02-SS-X-S
$1367.99 USD
Lifetime Replacement
Designed for drag racing use. Rated for 520ft/lbs
For Vehicles with production date from 2007
Brand:
ES#:
4751830
Mfg#:
K70526-02-HD-DXD
$1171.99 USD
Lifetime Replacement
The XClutch 8" Twin Disc Clutch And Flywheel Kit offers a lightweight design for improved throttle response combined with high torque capacity, making it ideal for high performance racing applications.
Brand:
ES#:
4765908
Mfg#:
XKBM20524-2E
$2619.99 USD
Free Shipping
The XClutch carbon series is designed to offer the highest heat capacity and is designed specifically for high horsepower race cars where mass and inertia are critical. Rated for 1230 ft-lb!
For Vehicles With 6 Bolt Crankshaft (Production Date From 02/09)
Brand:
ES#:
4689915
Mfg#:
XKBM23596-2P
$3116.99 USD
Free Shipping
