Max gains of up to +60 HP and +78 lb-ft TRQ (Crank); +54 HP and +71 lb-ft TRQ (Wheel)
Call In Or Chat For Best Price! 5X Entries For Our 25th Anniversary Sweepstakes! For 2024+ Models with the new S68 engine only - Not compatible with the S63 engine
Brand:
ES#:
4840243
Mfg#:
D440-0170
Back Ordered
11% off MSRP
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
$787.99
This product was last offered at the strikethrough price on 07-17-2026
Wake up your BMW with dyno-proven gains by Jim Conforti - +15HP +15LB/FT
Satisfaction guaranteed! Includes 30 day money back guarantee and limited lifetime warranty. -- For vehicles with manual transmission and Bosch DME #0-
Brand:
ES#:
3137208
Mfg#:
525-500
Back Ordered
ON SALE!
SAVE 20%
$249.00
This product was last offered at the strikethrough price on 05-02-2026
Wake up your BMW with dyno-proven gains by Jim Conforti - +15HP +15LB/FT
Satisfaction guaranteed! Includes 30 day money back guarantee and limited lifetime warranty. -- For vehicles with automatic transmission and Bosch DME
Brand:
ES#:
3137209
Mfg#:
525-510
Back Ordered
ON SALE!
SAVE 20%
$249.00
This product was last offered at the strikethrough price on 05-02-2026
Wake up your BMW with dyno-proven gains by Jim Conforti - +19HP +16LB/FT
For vehicles with production date from 01/1995, a Euro HFM, and lightweight flywheel. Satisfaction guaranteed! Includes 30 day money back guarantee and l
Brand:
ES#:
3137073
Mfg#:
4131-3004
Back Ordered
ON SALE!
SAVE 20%
$299.99
This product was last offered at the strikethrough price on 05-02-2026
Wake up your BMW with dyno-proven gains by Jim Conforti - +19HP +16LB/FT
For vehicles with production date up to 12/1994 with a Euro HFM and lightweight flywheel. Satisfaction guaranteed! Includes 30 day money back guarantee a
Brand:
ES#:
3137171
Mfg#:
5060-3004
Back Ordered
ON SALE!
SAVE 20%
$299.99
This product was last offered at the strikethrough price on 05-02-2026
Wake up your BMW with dyno-proven gains by Jim Conforti - +15HP +15LB/FT
Satisfaction guaranteed! Includes 30 day money back guarantee and limited lifetime warranty. -- For vehicles with manual transmission and Bosch DME #0-
Brand:
ES#:
3098111
Mfg#:
380-500
Back Ordered
ON SALE!
SAVE 20%
$249.00
This product was last offered at the strikethrough price on 05-02-2026
Wake up your BMW with dyno-proven gains by Jim Conforti - +15HP +15LB/FT
Satisfaction guaranteed! Includes 30 day money back guarantee and limited lifetime warranty -- For 1987 models with a manual transmission and ECU numbe
Brand:
ES#:
3979372
Mfg#:
524-200
Back Ordered
ON SALE!
SAVE 20%
$249.00
This product was last offered at the strikethrough price on 05-02-2026
Wake up your BMW with dyno-proven gains by Jim Conforti - +15HP +15LB/FT
Satisfaction guaranteed! Includes 30 day money back guarantee and limited lifetime warranty. -- For vehicles with automatic transmission & Bosch DME #0
Brand:
ES#:
3098052
Mfg#:
153-330
Back Ordered
ON SALE!
SAVE 20%
$249.00
This product was last offered at the strikethrough price on 05-02-2026
All the performance upgrade options from the best brands in the business to help build your dreams. Our performance parts catalog is the largest anywhere and constantly growing to keep your build on track.
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