BMW 840i (B58)

Performance parts for the BMW 840i and its B58 inline-six — downpipes, intercoolers, chargepipes, intakes and tuning, all installed and supported in-house at Speed Logic in Westminster, CA.

Bootmod3 B58 Tune for BMW 140i / 240i / 340i / 440i / 540i / M340i (F/G-Series)
Bootmod3
Bootmod3 B58 Tune – BMW 140i / 240i / 340i / 440i / 540i / M340i (F/G-Series)
From $595
View
Burger Motorsports JB4 Tuner for BMW B58 Gen 1 & Gen 2
Burger Motorsports
Burger Motorsports JB4 Tuner – BMW B58 Gen 1 & Gen 2
From $599
View
Dorch Stage 2.5 HPFP Upgrade for BMW B58 Gen2
Dorch
Dorch Stage 2.5 HPFP Upgrade – BMW B58 Gen2
$2,199
View