Replace your stock, heavy battery with a direct replacement, lightweight performance Lithium battery that weighs in at only 11.5lbs!
i35X replacement as its Non Longer Available, this unit is slightly longer, same width and a little shorter in left & right side positive, respectively
Dress up your engine bay with black expansion tank and washer reservoir caps to replace the old blue ones
10X Entries For Our 25th Anniversary Sweepstakes!
Brand:
ES#:
2804150
Mfg#:
009635ECS02KT
In Stock
ON SALE!
SAVE 22%
$39.36
This product was last offered at the strikethrough price on 05-02-2026
APR Silicone Boost Hoses are a comprehensive, direct replacement upgrade
Call In Or Chat For Best Price! 5X Entries For Our 25th Anniversary Sweepstakes!
Brand:
ES#:
2997012
Mfg#:
MS100114
Ships in 10 Business Days
11% off MSRP
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
$249.99
This product was last offered at the strikethrough price on 07-31-2026
See up to 386 horsepower on 93 octane fuel!
Call In Or Chat For Best Price! 5X Entries For Our 25th Anniversary Sweepstakes! This upgrade must be performed at ECS Tuning's facility in Ohio.
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.
