5-Series (E12,E28, E34, E39, E60)Chat relating to the BMW 5-Series of all generations. Specific models include: BMW 518, BMW 520, BMW 520i, BMW 530i, BMW 528i, BMW 530i, BMW 518i, BMW 524d, BMW 525i, BMW 525e, BMW 528e, BMW 540i, BMW 535i, BMW 520d, BMW 525td, BMW 525d, BMW 530d, BMW 525i/xi, BMW 530i/xi. (BMW 5-Series Forum)
I know it sounds weird but hey, auto gets very boring! So I downshift and rev match to slow down and on occation will shift up to get as much power as I want without the computer deciding when that is. Is this bad for my car/transmission? I really dont want to be messing up anything...
Everything in moderation... What you're doing "shouldn't" do any harm or damage to the engine/tranny. I do the same thing myself, especially in city traffic, or in highway congestion, when i want to slow a little without using brakes. Just be careful when going back to drive from sport...dont drop into neutral...especially on the highway. Switching back to drive from neutral at a high rpm can cause damage from the increased stress.
check the following;
In Europe an acceleration-assist feature is programmed in to automate a 4000-rpm clutch-drop, clutch-slip launch, but an internal counter permits only one such launch per hour, 30 for the life of the clutch. We won't get that, so for best results engage S6, floor the throttle to call for an aggressive clutch drop, then back off to 75 percent to allow the tires to hook up at about 3000 rpm. Then keep your foot down, upshifting at 8000 rpm.
You can go from neutral to drive without your foot on the brake, all cars let you do that. You cant; however, go from Park to Drive without your foot on the brake on newer models.
Anyway... In theory It should harm anything, buit an auto tranny never likes to not be in control and shift up or down at high RPMs too often. The safest way I'd say is to use your kickdown button (not too great too often either. lol)
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