Eduardo,
I am assuming you are in the United States or Canada. If you are making $135k in salary, you are making well above what the average SAP consultant makes. In order to switch to SAP consulting, you would need to take a pretty big pay cut for several years before you'd get back to where you are now.
Also, you may be confusing what the consulting companies are charging with what the consultants are actually making. Consulting Companies often charge $200 to $300/hr or more, but the consultant often sees only about 40% of that. I'm an independent consultant and have a pretty high billing rate (with 16+ years of experience), but I don't make all that much more than you and I have to take the risk of not getting paid if I get sick or when I go on vacation. I also have to pay some pretty high rates for my medical insurance for my family ($1800/mo) and while you probably pay some for your medical, I'm sure your company pays a pretty good portion. You might want to work up a total compensation number rather than just a salary number.
The only SAP consultants making close to $200k/year probably have close to 20 years of experience or have some seriously unique/in-demand skillset. (For example, long time BW/analytics experience PLUS current HANA experience. Note: HANA training doesn't get you the big bucks, it's combination of extended analytics WITH recent HANA hands-on experience. Folks with no experience jumping on the HANA training bandwagon are chasing phantoms.)
If I were you, I'd concentrate on climbing the ladder at the company I'm already in, because they're clearly paying above average wages for your field.
Just my two cents!
Best regards,
--Tom