BMW Tech Tips, How-tos and News - Bavarian Autosport Blog » BMW 5 Series 89-95 – E34

1989 BMW 535i E34 Transmission Swap – Automatic

Peter — Tue, 20 Jul 2010 14:29:08 +0000

Q I’m trying to save my 89 535i by changing the transmission. I have one on the line but they say it may not be the right unit. Here is all the info. I world greatly appreciate it if you could shed some light on whether this unit will work or not.

My 89 535i, Build

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BMW E34 (5-series 89-96) Tire Size

Peter — Mon, 19 Jul 2010 16:36:09 +0000

Q I have a ‘91 535i 5 speed with dealer installed 16 inch rims. I’m currently running on 225/50/16’s. Are these the correct size? I was thinking of going to 225/55/16’s. Would this be suitable? Which is the correct size without having to change wheel size.

A The proper size tire, on a 16″ wheel, for

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1992 BMW 525i E34 Window Quit Working

Peter — Mon, 19 Jul 2010 16:32:17 +0000

Q My daughter’s driver’s side window quit working, fortunately, in the up position. I removed the door panel and inspected the motor. The motor is working, but it will only drive the window a few inches before binding. It appears that the worm gear is stripped. The motor doesn’t appear to have any accessible mounting

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BMW 1995 BMW 740i Cooling System Leak – V8 M60 M62 (E31 E32 E34 E38 E39 X5)

Peter — Fri, 16 Jul 2010 18:08:29 +0000

Q I recently replaced my water pump gasket and coolant tube seals. And found that I still have the same leak I originally started with around the large coolant tube seal. Could this be coming from a bad water pump or could it be a faulty installation. Please help.

A I would say that there may

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BMW Data Link Connector (DLC) / Diagnostic Plug – E34 540i, 530i & E32 740i. 740il

Otto — Fri, 09 Jul 2010 16:06:56 +0000

Q car year: 1993 car model: 740i where is the diagnostic plug in for my 1993 740i located?

A See the photo below. This is of the V8 in the E34 chassis (5-series 89-96). However, the Data Link Connector (DLC) plug will be in the same location on your E32 chassis (7-series 88-94).

BMW V8 Preventative Maintenance – Water Pump & Belts – E31, E32, E34, E38, E39, X5

Peter — Wed, 07 Jul 2010 20:29:56 +0000

Q How often we need to replace the water pump and power steering belts and should both belts replace in the same time.

A We recommend replacement of the accessory drive belts, for your V8 engine, at 60,000 miles or 4-years. The alternator, water pump and power steering are all on the same belt. The A/C

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1992 BMW 325i – Convert To E85 To Gain Horsepower

Peter — Wed, 07 Jul 2010 19:33:51 +0000

This answer is applicable for many BMWs in addition to the one listed below.

Q A buddy of mine just converted his car over to E85 to gain horsepower. I thought about doing this with my 92 325i with the M50 engine. My concern is that if I decide to supercharge it instead of the engine

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BMW 6-cyl & V12 Motronic Distributor Cap Removal – M20, M30 – E30, E23, E24, E28, E34, E32, E31

Otto — Tue, 29 Jun 2010 15:34:25 +0000

This answer is applicable for many BMWs in addition to the one listed below.

Q car year: 1987 car model: 325e Otto, I have checked the area around the Cap, not much room to work, I want to take the Cap off and examine the Cap, Rotor. What is the release mechanism for the Dist. Cap? I saw bolts

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1993 BMW 525I E34 Driver’s Seat Back Twisted

Peter — Mon, 28 Jun 2010 22:22:24 +0000

Q I own a ‘93 525I with 347,000 miles. The drivers seat back has recently twisted so that I need a cushion to drive. The dealer says that There is a cable that needs to be fixed for about $200.00. Is there something I can do myself to correct this?

A You twisting seatback is likely

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17 inch Alpina Wheel

Peter — Mon, 28 Jun 2010 22:19:19 +0000

Q Do you carry a 17 inch alpina wheel (17 spoke)? what is the price?

A We do not stock the actual Alpina brand wheels. However, we do have a wheel from Beyern that is styled after the original Alpina design. The wheels are available in 17″ with either silver painted spokes and a polished lip

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