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6/29/2025, 1:29:01 AM
>>28485372
The original SMG I never drive.
The SMG II in the e46 M3 is pretty bad. It shifts like a first timer when you are moving through traffic.
The SMG III in the E60 is bad? Here’s my honest thoughts having owned it and the manual and the ZF6HP and currently a DCT and a ZF8hp. If anyone cares.
The DCT is imo the best option for any performance car, and budget not an option I’d even argue for a race car. They have shown to be very long lasting under race conditions, the downside being weight, accounted for in Motorsport by BoP anyway and they are expensive to rebuild and you can’t custom gear as easily, which is why SEQ is so popular. But SEQ is too loud and rough for a street car. You could actually buy a SEQ for the M5, there is a company that does it, for about $10k, and that would be very cool but not for driving on the highway. You’d have a headache.
The ZF6 and ZF8 are not really good at anything. Biermann left because they put it in the M5. ZF8 is cheap and great at not needing maintenance during a lease or warranty. It has planetary gears so the load is split across 3 places instead of one and thus it can easily deal win the modern torque numbers. It shifts almost as fast as the DCTs from one gear to the next. The issue thoigh as a track gearbox, for which it is robust, is that it can’t shift multiple gears very fast. It’s also annoying to me that it ‘fakes’ rough shifts to act like an SMG in the sport+ settings on new M cars. It’s really a smooth mushy shift. I like them only because they’re very robust and low maintenance. If anyone reading this happens to be shopping for a C7, beware ,Gm copied it completely but downgraded the guts and as a result it’s shit and breaks alot.
I worry that the original run of ZF8s are a lot better than the current ones but I don’t know. BMW and VAG and Chrysler bought so many that penny pinching to save overhead is possibly real.
The original SMG I never drive.
The SMG II in the e46 M3 is pretty bad. It shifts like a first timer when you are moving through traffic.
The SMG III in the E60 is bad? Here’s my honest thoughts having owned it and the manual and the ZF6HP and currently a DCT and a ZF8hp. If anyone cares.
The DCT is imo the best option for any performance car, and budget not an option I’d even argue for a race car. They have shown to be very long lasting under race conditions, the downside being weight, accounted for in Motorsport by BoP anyway and they are expensive to rebuild and you can’t custom gear as easily, which is why SEQ is so popular. But SEQ is too loud and rough for a street car. You could actually buy a SEQ for the M5, there is a company that does it, for about $10k, and that would be very cool but not for driving on the highway. You’d have a headache.
The ZF6 and ZF8 are not really good at anything. Biermann left because they put it in the M5. ZF8 is cheap and great at not needing maintenance during a lease or warranty. It has planetary gears so the load is split across 3 places instead of one and thus it can easily deal win the modern torque numbers. It shifts almost as fast as the DCTs from one gear to the next. The issue thoigh as a track gearbox, for which it is robust, is that it can’t shift multiple gears very fast. It’s also annoying to me that it ‘fakes’ rough shifts to act like an SMG in the sport+ settings on new M cars. It’s really a smooth mushy shift. I like them only because they’re very robust and low maintenance. If anyone reading this happens to be shopping for a C7, beware ,Gm copied it completely but downgraded the guts and as a result it’s shit and breaks alot.
I worry that the original run of ZF8s are a lot better than the current ones but I don’t know. BMW and VAG and Chrysler bought so many that penny pinching to save overhead is possibly real.
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