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January 2023 by Frank Vella
Thank you frank for all your great service to my 1987 Porsche 911?cya in to week's for my oil change????Service: Auto power window repair
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June 2022 by Bruce B.
I have been a customer for almost 20 years. Frank Siem has worked for Porsche in Germany (yes! he speaks German :) ) and it's an expert on Porsches. Honesty is a great virtue in this business, I never been ripped off at Autosporthaus, my services have always been done properly.The hourly rate is high as you would expect from experts, but in my opinion worth it.Services: Auto exhaust system repair
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March 2021 by Robert M.
Frank and his team have worked on several of my cars. Latest work was on my Porsche Cayman but in the past it's been on my BMW. These guys know what they are doing and provide great service at a fair price. Extremely honest and dependable. I highly recommend them.
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March 2021 by Stefan N.
Frank is very knowledgeable and trustworthy. I was impressed at his troubleshooting skills with difficult to diagnose issues like cylinders misfiring. I've been coming here for the past 5 years with 3 different cars and will keep coming back when needed. Highly recommended!
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February 2021 by Dennis T
Frank is the best! Unbeatable knowledge and experience. I have been his customer for 30 years!
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February 2020 by Sean Z.
I was referred to frank and his team by others in my office and I couldn't be happier. Frank is an honest man through and through. I purchased a used car (VW Touareg TDI) and then brought it to frank to do a safety inspection. Didn't try to upsell me but also let me know if things I should put on the calendar whether he did it or not. Took the time to explain it. When I went to pick up my car I had purchaseed an air filter and he pulled one of his guys off another job and installed it for free. Just good service all around.
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November 2019 by Gordon L.
Frank has taken care of my 2004 Porsche 911 for over a decade now & kept it shipshape despite its encounters with the bombed out streets of SF. His work has been has been impeccable, timely and very reasonable. I'm planning to take my wife's S-550 there for service rather than being gouged by the dealer after reading the favorable reviews of his care for other German brands.
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November 2019 by Antonio O.
I was taking my two cars to Frank for several years but his recent work was disappointing. Was t able to properly diagnose a simple (in retrospect) alternator issue. He also stripped some plastic bolts that hold the air cabin filter in place. When I brought this up he said he could put some epoxy in there! This would essentially lock in the filter. A shame that speeding through repairs has left shoddy repair work. Another issue I asked him about he didn't event address or acknowledge he hadn't looked into.
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August 2019 by Larry R.
Frank is the best you could ever hope for. His shop is packed with BMWs, Porsches, Mercedes, and more, because Frank is reliable, diligent, honest, knowledgeable, will keep your car the best it can be. Not many others will dedicate the time and attention to inspect, diagnose, address, and fix issues the way Frank does. Ive taken my car there for over 20 years. I highly recommend Frank and Auto Sport Haus.
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May 2019 by Kevin Clark
Amazing mechanic.
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April 2019 by Steven A.
Frank is a professional and very knowledgeable on BMW's. This shop came recommended by a god friend, a loyal customer of Frank's of almost 2 decades. Frank quickly identified the problem after taking a very short ride and later located a vacuum leak. More than two weeks later, my BMW is running strong again: rebuilt gear box, new clutch and MAF to Throttle Body boot replacement. His communication is good in terms of calling me and keeping me informed of what's going on. I'm very pleased with the work done.
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July 2018 by William C.
Purchased my 2007 Porsche 997 C4S last week in SF and took it to Frank at Auto Sport Haus for oil/filter change as recommended by fellow Rennlist members. Mechanic/owner Frank noticed some bolts missing on coil heat shields when he got car on lift and he repaired the problem immediately for my 1000 mile drive home - What a great shop!
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October 2017 by Ola V
Pleasant to deal with. Seemed knowledgeable and forthright. I had a PPI done on a car I was interested in and they were able to accommodate us on relatively short notice. Will definitely be using them next time around.
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October 2017 by Alex Eldemir
I have been a customer for years. Scrupulous repairs, very trustworthy, highly knowledgable.
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October 2017 by Antonio Otero
Porsche and BMW specialist.
