First part to address with front-end engine noise is present, used on the lower chain
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Performance software with a 7,400RPM rev limit and sharper "Shark-tuned" throttle response. +15HP +12LB/FT gains when used with 91 octane fuel!
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Brand:
ES#:
3138901
Mfg#:
N4M5
Ships on Aug 11, 2026
ON SALE!
SAVE 10%
$349.00
This product was last offered at the strikethrough price on 05-02-2026
Designed for track use to eliminate deflection and drive line slop
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Brand:
ES#:
3438526
Mfg#:
017730TMS03
In Stock
ON SALE!
SAVE 27%
$113.99
This product was last offered at the strikethrough price on 05-02-2026
Includes connector housing with terminals and seals. Commonly used for the engine oil level sensor.
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Brand:
ES#:
4772589
Mfg#:
12521433915
In Stock
ON SALE!
SAVE 25%
$10.99
This product was last offered at the strikethrough price on 06-13-2026
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.
