Performance software designed to unlock your BMW's potential. Removes top speed limiter, raises rev limit to 7,000rpm, improves throttle response, and improves power output: +7HP +7LB/FT gains!
For vehicles with a production date up to 02/2003
Brand:
ES#:
3138969
Mfg#:
N4MS4325
In Stock
ON SALE!
SAVE 10%
$349.00
This product was last offered at the strikethrough price on 05-02-2026
Performance software designed to unlock your BMW's potential. Removes top speed limiter, raises rev limit to 7,000rpm, improves throttle response, and improves power output: +4HP +7LB/FT gains!
For vehicles with a production date up to 02/2003
Brand:
ES#:
3138970
Mfg#:
N4MS4330
In Stock
ON SALE!
SAVE 10%
$349.00
This product was last offered at the strikethrough price on 05-02-2026
Performance software designed to unlock your BMW's potential. Removes top speed limiter, raises rev limit to 7,000rpm, improves throttle response, and improves power output: +7HP +7LB/FT gains!
For vehicles with a production date from 03/2003
Brand:
ES#:
3138996
Mfg#:
N745325
In Stock
ON SALE!
SAVE 10%
$349.00
This product was last offered at the strikethrough price on 05-02-2026
Motorsport pedigree. Superior quality. Excellent sound. Milltek Street cat-back exhaust for enhanced performance.
Street version mufflers for a great tone without deafening noise.
Brand:
ES#:
2863074
Mfg#:
SSXBM987
Ships in 5 Business Days
ON SALE!
SAVE 10%
$1744.99
This product was last offered at the strikethrough price on 09-18-2026
Complete valve cover assembly with gasket, bolts, and integral cyclone separator
We Price Match - Give Us A Call or Chat! Includes 3 year manufacturer warranty.
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
