Improve your engine bay's appearance and replace old and worn parts with this battery, fuse box, and ECU cover kit!
10X Entries Into Our F80 M3 Sweepstakes
This system is designed for use only where required by an APR turbocharger system upgrade with matching software.
Call In Or Chat For Best Price! ECU software required for use
Brand:
ES#:
4623816
Mfg#:
MS100229
Ships in 5 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.
$1687.99
This product was last offered at the strikethrough price on 09-06-2026
Tired of smashing those expensive oil pans? Looking to gain a bit of extra clearance, but don't want to raise your car up? BFI Mount Spacers are the solution!
For vehicles with manual transmission only
Upgrade your drivetrain with confidence using our full billet aluminum transmission boss kit — stronger than factory, corrosion-resistant, and engineered for maximum durability and peace of mind.
For vehicles with manual transmission or 6 speed DQ250 DSG transmissions only
Enhances turbo response, increases airflow, reduces turbo lag, and provides a 26% increase in airflow!
For vehicles with secondary air injection only. CARB certified for sale in all 50 states.
Brand:
ES#:
4852540
Mfg#:
65.10.57
EO#:
D-236-25
Ships in 2 Business Days
ON SALE!
$609.00
This product was last offered at the strikethrough price on 09-01-2026
Enhances turbo response, increases airflow, reduces turbo lag, and provides a 26% increase in airflow!
For vehicles without secondary air injection only. CARB certified for sale in all 50 states.
Brand:
ES#:
4852539
Mfg#:
65.10.56R
EO#:
D-236-25
Ships in 2 Business Days
ON SALE!
$559.00
This product was last offered at the strikethrough price on 09-01-2026
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
