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I believe this is only the third time in my life that I have written a completely unqualified endorsement for anyone.
Mike is an absolute BMW professional and the most knowledgeable performance enhancement expert I have
ever had the good fortune to work with. I have owned BWWs for over thirty-five years and I have had extensive
work done on all of them. The last two are my present e36 M3 and "The Yellow Car" (1979 320). When I buy a
car I keep it a long time. I bought each of these cars new and thoroughly enjoy making improvements in both
appearance and performance. Mike did the work on and managed the completion of the final configuration
(after two engine swaps - a six and a V8) of the Yellow Car over the last four years that I owned it. The car has
won either Best in Show or Best in Class in over ten competitions in Oregon and California. I owned it 28 years
before selling it. Every aspect of the Yellow Car's engine (BMW V8), transmission and differential were modified.
The brakes are Brembo, the wheels are Dinan (Steve Dinan did some of the maintenance himself when he was just
starting out). The suspension is Bielstein and Eibach. The exhaust system is completely customized stainless.
In addition every body panel except the roof has been customized to some significant extent.
All of the performance upgrades on my present M3 have also been done by Mike.
1. Dinan stage 2 supercharger
2. Dinan exhaust system
3. Dinan shock tower supports
4. Dinan throttle body
4. Eibach front and rear sway bars
5. Bilstein shocks “sports”
6. Slotted rotors and Hawk pads
7. Active Auto Works differential support
8. Passport 9500ci (hidden) radar/laser shifter
9. AEM Methanol injector system
10. Mason Engineering Aluminum rear strut bar
11. Turner Motorsports front grills
12. Aluminum Radiator
13. EMP Stewart Components water pump
Every aspect of each enhancement has been accomplished to a visual standard that equals or exceeds
"I've visited Pro-Tek several times. They are always attentive and friendly. More importantly, their repair work
is outstanding. I would recommend this place to anyone in the Portland metro area in need of reliable top-
notch repair work."
I wanted to thank you again for your prompt service on my BMW. After the atrocious experience I had at
another BMW place, I was angry at my husband for having purchased the BMW and I lived in fear of the
day that it would need the service again. You have restored my faith in the possibility of being treated
fairly and professionally in the automotive service industry! My fear is gone and in fact, I look forward to
another visit to Pro-Tek when the need arises.