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
A must-have aesthetic upgrade for those with carbon intakes or engine covers
2X Entries Into Our F80 M3 Sweepstakes Carbon fiber resin conducts electricity, so the positive terminal MUST be completely covered when using this product.
Gain up to 87 horsepower and 106 lb-ft of torque on 93 Octane
This tune can be performed at home with the included UniCONNECT+ cable. Only available for purchase in th Requires Unitronic 3 Inch Downpipe
Featuring silver fine wire center electrode - Superior ignition ability increases engine power!
Three heat ranges colder than stock with a non-projected tip
Brand:
ES#:
4017479
Mfg#:
ER08S
Ships on Oct 7, 2026
8% off MSRP
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
$12.99
This product was last offered at the strikethrough price on 09-19-2026
Increase your power output across the entire RPM range
Buy Integrated Engineering Software from 9/3/26 - 9/30/26 for a chance to win your Software for FREE!
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.
