Mass on S54 cars and its just nasty resonances and vibration at lowĮngine speed when on low gear. I see not much gains for having SMF vs DMF I have installed a single Under load but still the lash goes thru harmonics in different loads Lash chatter for the worst transferring the vibrations to the crankshaft.Īt hi engine speed the gear box lash gets much less because all is S54 has Nasty harmonics and having SMF is only making the gear The tranny is very quite with the DMF even driven straight for an hour I said this is bad transmission.but ones the issues I had was fixed ![]() G420 on idle was going lose its own guts on the ground !!! to a point Was extreme lumpy like the engine did not have vanos. Synchro to stick when shifting and will cause hard shifting.ĭuring tune on the E24S54 I had some issues with ITBs and the idle MT90 is not good for cold climates because it will cause the 3 piece I have tested and it works very very well straight MT-90 This trick can be done on G420 but for those who are in The trick is to mix MT90 with MTLĥ0-50 so that to cushion the gear chatter which is caused by the worn Part on the car and they get little chatter at idle but that can be seen onĬars whit over 100k and poorly maintained. Quite but as the milage increase the gears do ware out as any other That only increases chatter and yet these transmission are very very I have almost zero chatter at +/-750rpm idle speed.Į34M5 does not have a Vanos system and the idle is extreme lumpy and On one of my DD E24M6 I haveħ.4 pounds fly wheel and 228mm set up. When these transmission were under 100k miles with Older E28M5, E34M5 3.5 came from the Factory with SMF. G420 design does not have internal Damper Springs to reduce chatterīecause the G420 was design for cars with Dual Mass fly and the DMF ![]() One must understand the design of the transmission. You must contact them to order as it's not listed online.Īs mentioned by others, the idle chatter is caused by the transmission and is unavoidable when using a SMF regardless of brand.BBR, They're made to order and very high quality (used in many Porsche race cars as well) and last time I checked are under $400 and made in USA. ![]() The drive plate used MUST be sprung to ensure that no clutch slip is generated.FWIW, AASCO makes an E46 M3 flywheel which is 11lb (this one here is 5.3kg/11.7lb) and can be reduced to 10.5lb upon request. NOTE: The flywheel cannot be fitted to the standard stock OEM clutch only a performance aftermarket clutch 140mm. The flywheel is balanced to eliminate any harmonics and provide a smooth engine uptake whilst also allowing a direct replacement fit. The lightened TTV Flywheel is manufactured from lightweight billet steel providing strength whilst reducing overall mass and maintaining strength. The mini OEM stock flywheel weighs in at 12kg unlike the TTV lightweight performance flywheel which weighs just 3.6kg, that's way less than half the rotational mass. Simply fitting a flywheel will make any cooper S much more responsive and much quicker the minute the throttle is applied. The BMW mini stock OEM flywheel is a large mass for the engine to turn reducing acceleration and engine uptake, retarding the performance of your BMW mini. The lightened ttv Flywheel is manufactured from light weight billet steel providing strength whilst reducing overall mass and maintaining strength. If you're running a standard stock OEM Flywheel then you're missing out on improved throttle response throughout the entire rev range. The mini OEM stock flywheel weights in at 12kg unlike the TTV light weight performance flywheel which weights just 5.6kg, that's less than half the rotational mass.
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