MyLaps TR2 Rechargeable Transponder - 5-Year Subscription Rating_FIA 8859-2015 including the M3

including the M3

but also allows for ease of adjustment and better coverage

Does not include inboard (tunnel-side) seat belt mount

Made for 1/4 inch helmet kits with NASCAR wiring

FIA annex J 253 compliant

MyLaps TR2 Rechargeable Transponder - 5-Year Subscription Rating_FIA 8859-2015 including the M3MyLaps (formerly AMB) latest TR2 Transponder offers an improved user experience over previous generations of MyLaps transponders. Keep your transponder up to date using the all new Speedhive App, with improved subscription management, device status and diagnostics. The rechargeable transponder recharges quickly with the included cradle charger in just 5 hours, with a fully charged battery lasting up to 5 events.