Hydraulic tensioner assembly for alternator/water pump belt, does not come with roller/pulley
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As expansion tanks age, they are prone to cracking or even exploding. Replace your factory plastic coolant reservoir with a Turner Heavy Duty aluminum tank for durability and piece of mind! Direct replacement for expansion tank 17111723520.
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Brand:
ES#:
4619758
Mfg#:
008348LA01BKT
In Stock
ON SALE!
SAVE 20%
$423.99
This product was last offered at the strikethrough price on 06-13-2026
The holy grail of valve covers offering superior reliability equipped for hot turbo applications and eliminates the need for replacement ever again.
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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: +15HP +9LB/FT gains!
Brand:
ES#:
3138899
Mfg#:
N3MS41
In Stock
ON SALE!
SAVE 10%
$349.00
This product was last offered at the strikethrough price on 05-02-2026
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
