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Wake up your BMW with dyno-proven gains by Jim Conforti - +22HP +20LB/FT
Satisfaction guaranteed! Includes 30 day money back guarantee and limited lifetime warranty -- M3 camshafts & lightweight flywheel
Brand:
ES#:
3137008
Mfg#:
4131-0003
In Stock
ON SALE!
SAVE 20%
$399.00
This product was last offered at the strikethrough price on 05-02-2026
This set includes everything required to completely seal and reconstruct the top half of your inline-six engine.
2X Entries Into Our F80 M3 Sweepstakes
This complete kit is engineered to exact factory dimensions, ensuring a drop-in fit that stops oil leaks and preserves correct crankcase pressure.
2X Entries Into Our F80 M3 Sweepstakes
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
