BMW 6 F12 Parts

The F12 generation 640i and 650i convertible is one of the most underappreciated platforms in the modern BMW lineup. Built on the same architecture as the F10 5 Series, the F12 brings a longer wheelbase, a stiffer open-top structure, and that long-hood silhouette that made the original 6 Series an icon. From 2012 through 2018, BMW dropped everything from the turbocharged inline-six N55 to the twin-turbo N63 V8 into this chassis, giving enthusiasts a wide range of starting points depending on how deep you want to go. If you've been sleeping on the F12 because it's not an M car, wake up - this thing is a serious driver's machine with a modding ceiling most people never reach.

The 640i runs the N55 single-scroll turbo inline-six, rated at 315 hp stock. It's smooth, refined, and surprisingly tuneable - think of it as the calmer sibling of the N54 crowd's favorite engine. A quality JB4 piggyback tune, a downpipe and exhaust, and a charge pipe upgrade will push you comfortably past 380 whp without touching internals. The 650i steps up to the N63 V8, and that's where things get interesting and occasionally expensive. The N63 in early F12 trim (pre-facelift) carries a reputation for heat soak, high oil consumption, and a fuel injector quirk BMW addressed with the N63TU revision around 2013–2014. If you're buying used, confirm which N63 variant you're getting before signing anything.

Let's talk reliability straight - the F12 is a complex grand tourer, not a stripped-down sport coupe, and you need to respect that. On the N55-powered 640i, the charge pipe is the first thing that goes. It's a known failure point that BMW should have addressed from the factory, and it'll blow under boost just when you're having fun on the highway. Swap in an upgraded aluminum unit from Burger Motorsports or Turner Motorsports immediately - it's a cheap fix that saves you a headache. Valve cover gaskets on the N55 are another early-mileage item, and the VANOS solenoids are worth inspecting around 60k miles.

On the N63 side, priority one is the BMW N63 Customer Care Package - if the previous owner didn't have this done at the dealer, get it done or verify it's complete. This covers fuel injectors, valve stem seals, coolant hoses, and oil consumption monitoring. Beyond that, the N63 benefits heavily from improved cooling and proper maintenance intervals. Don't push the oil past 5,000 miles regardless of what iDrive tells you. For engine hardware and ancillary upgrades, this platform responds well to quality parts - don't cheap out on gaskets or sensors.

The suspension on the F12 is a mixed story. The standard setup is comfortable and composed, but if you're pushing it hard, the front control arm bushings and rear subframe mounts wear with age. Brands like Meyle HD and Lemförder are trusted OEM-equivalent options for the suspension refresh most F12s need by 70–80k miles. If you want to drop it and sharpen the handling, KW Suspensions V3 coilovers or H&R sport springs are the go-to choices on this platform - they tighten things up without destroying ride quality on a car that's still meant to eat miles in comfort.

For the daily driver crowd, the F12 mod path is about extracting performance without sacrificing the GT experience. Start with a tune - Burger Motorsports JB4 for the N55 or an MHD flash if you're comfortable going ECU-native. Pair that with a quality cat-back or axle-back exhaust from Eisenmann or Akrapovič to open up that N55 or N63 sound signature without making the car obnoxious for a 5-hour road trip. A wheel and tire upgrade is always worth doing - the factory rubber is adequate, but stepping into a staggered fitment on a forged 18 or 19-inch setup wakes the chassis up noticeably. BBS, Vossen, and HRE all have strong fitments for the F12.

For enthusiasts pushing the F12 harder - occasional track days, canyon runs, autocross - the suspension upgrade becomes non-negotiable, and you'll want to pair coilovers with upgraded sway bars and a proper alignment targeting more negative camber up front. Aero upgrades like a front lip, diffuser, or trunk spoiler aren't just cosmetic on a car this size - they help high-speed stability and give the F12 a more aggressive stance that matches the performance underneath. The M Sport or M-Aerodynamics body kit pieces are factory-validated options that integrate cleanly.

The F12 650i especially is a sleeper that most people at the light will never see coming. Done right, this platform is a legitimate 11-second car on a full bolt-on and tune package. The parts ecosystem from the shared F10/F12 architecture means availability is strong, pricing is reasonable, and the community knowledge base - including everything we stock here - is deep. Whether you're building a refined continent-crusher or a V8 monster with a softtop, the F12 rewards the enthusiast who puts in the work.