Replacement 4 pin relay
Replacement 4 pin relay
Located on the side of the camshaft in the cylinder head
Shut down quickly & remotely - required by many racing organizations
Used for ECS 2.0T boost taps
10X Entries Into Our F80 M3 Sweepstakes
This product was last offered at the strikethrough price on
05-02-2026
Does not include a sealing o-ring
This product was last offered at the strikethrough price on
05-02-2026
Quickly shut down your battery in an emergency.
You never know when you will blow a fuse so it always good to have extra
Tool comes with both 1/2" and 3/8" drive.
O2 Sensor Socket
Quickly shut down your battery in an emergency.
Don't scratch your paint with your battery tender.
Located on the side of the camshaft in the cylinder head
Replacement 4 pin relay
2X Entries Into Our F80 M3 Sweepstakes
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Keep your engine running smoothly
This product was last offered at the strikethrough price on
05-18-2026
Keep your engine running strong
Located between the retaining ring and fuel tank